Security Privacy
CDC Emergency
CDC Emergency Preparedness and Response: increasing the nation's ability to prepare for and respond to public health emergencies.1,345,014 followers | Follow
The Lulz Boat
Lulz Security® (LulzSec), the world's leaders in high-quality entertainment at your expense - http://lulzsecurity.com/362,819 followers | Follow
Cisco Security
Official source for Cisco security products & innovations. Be the first to know with @scottsimkin. Join our 70k fans on FB too: http://csc0.ly/SecFB134,147 followers | Follow
Kevin Mitnick
Security Consultant, Public Speaker, & Author Whistling ICBM launch codes since 198859,726 followers | Follow
☛ The Hacker News™
#THN Magazine & The Hacker News is Most Comprehensive resource in providing news related to IT #Cyber #security,#infosec,#Hacking threads,#Vulnerability.48,806 followers | Follow
Danger Room
Noah Shachtman, Spencer Ackerman, and WIRED's national security dorks.34,722 followers | Follow
Mikko Hypponen
CRO at F-Secure. Malware Adventurer. World Champion in Xevious.28,876 followers | Follow
Richard Stiennon
Follow @cyberwar for updates on Cyber Defense. Security industry and GigaOm Pro analyst. Speaker. Author of Surviving Cyberwar and Cyber Defense.24,180 followers | Follow
Security Stuff
News and alerts related to cyber security by @esawdust. Also see @sensorstuff, @batterystuff, @gpsstuff, @onlyopensource, @avrstuff21,042 followers | Follow
Jennifer Leggio
Raconteur. Comedienne. Hockey lover. Security Twits herder emeritus. VP of Corp Comm for Sourcefire. Forbes.com tech contributor. My tweets, my opinions.19,977 followers | Follow
briankrebs
computer, internet security journalist, writes about cyber crime. wrote for The Washington Post '95-'0919,151 followers | Follow
Jeff Williams
19,014 followers | Follow
Nmap Project
A free and open source tool for network discovery, administration, and security auditing. Our tweetmaster is Fyodor. We're also on Facebook: http://nmap.org/fb17,756 followers | Follow
Schneier Blog
Bruce Schneier is an internationally renowned security technologist and author. Described by The Economist as a "security guru"17,688 followers | Follow
Graham Cluley
Naked Security chap at Sophos. Viruses, spam, computer security, that kind of stuff. Named 'Twitter user of the year' by Computer Weekly in 2009 and 2010.17,239 followers | Follow
Thom VanHorn
VP of Marketing for Application Security, Inc., The Leader in Database Security, Risk, & Compliance - - Owner of Artists+Authors Rare Books, Fine Art16,430 followers | Follow
SCMagazine
The official Twitter feed for all things IT security. Like us on facebook.com/SCMag16,357 followers | Follow
Roger Halbheer
Worldwide Chief Security Advisor, Microsoft Corporation, CISSP, Master of Computer Science15,676 followers | Follow
Security Twits
A place to find information security folks. For retweets, @ or DM me or tag posts with #infosecjobs for infosec jobs, #infosecq for questions, and #infoseccfp.15,517 followers | Follow
Dan Kaminsky
We can fix it. We have the technology. OK. We need to create the technology. Alright. The policy guys are mucking with the technology. Relax. WE'RE ON IT.14,984 followers | Follow
SANS Institute
SANS is the most trusted and by far the largest source for IT, information security training, certification and research in the world.14,507 followers | Follow
Infosecurity
Infosecurity is the only magazine dedicated to the strategy and technique of information security, delivering critical business and technical information for IT13,345 followers | Follow
George Tomko
Founder Mgmt & Tech Consultancy, Sr Exec, 3-time CIO. Student of the Law. Blog at http://www.ciorant.com12,443 followers | Follow
RAND Corporation
The RAND Corporation is a nonprofit institution that helps improve policy and decisionmaking through research and analysis.12,349 followers | Follow
Richard Bejtlich
Chief Security Officer, MANDIANT. TaoSecurity blogger. Author. Black Hat instructor.12,203 followers | Follow
DarkReading
News and information on IT security, helping information security pros manage the balance between data protection and user access.12,108 followers | Follow
Paul Asadoorian
PaulDotCom Podcast & Blog, dedicated to providing the latest information security news.11,506 followers | Follow
CoreSecurity
Core Security is the leading provider of predictive security intelligence solutions for enterprises and government organizations.11,358 followers | Follow
Jeremiah Grossman
Founder & CTO of WhiteHat Security, Web security enthusiast, hacker, 6-continent public speaker, TED alumni, Maui resident, Brazilian Jiu-Jitsu Black Belt.11,284 followers | Follow
Team Cymru
Specialized Internet security research firm and 501(c)3 non-profit dedicated to making the Internet more secure.10,671 followers | Follow
The Dark Tangent
10,554 followers | Follow
Kevin Poulsen
Kevin Poulsen is the news editor at Wired.com,and the author of the cybercrime book KINGPIN (Crown, 2011)10,545 followers | Follow
Jart Armin
I walk around feeling a sort of existential guilt all the time; and honestly for me the internet is a way of feeling less guilty about the universe10,438 followers | Follow
David Hoelzer
Tweet feed for valuable IT Audit & Security resources from David Hoelzer & the SANS Institute. Visit us at http://auditcasts.com10,294 followers | Follow
Web Security News
Web Security News is a digest of important security announcements and events about web application security techniques and strategies.10,039 followers | Follow
helpnetsecurity
Mirko Zorz, Editor in Chief of Help Net Security and (IN)SECURE Magazine.9,985 followers | Follow
sansforensics
Stay up to date with the latest news from the SANS Digital Forensic and Incident Response News9,205 followers | Follow
FBI New York
Welcome to FBI New York Twitter. Submit a tip on terrorism or a federal crime @ https://tips.fbi.gov. Contact FBI New York @ (212) 384-1000 or newyork@fbi.gov.8,987 followers | Follow
securityninja
Doing Application Security in the Product Management team at Realex Payments8,514 followers | Follow
James Tarala
CyberSecurity and Audit Resources from James Tarala and Enclave Security.8,429 followers | Follow
Chris Gates
Security Guy. You guys are really f**king up my zen thing. blog: carnal0wnage.attackresearch.com8,400 followers | Follow
Damon Cortesi
I used to break stuff. Now I build it. Co-founder & CTO @SimplyMeasured with @aviel and @schoeny. Creator of TweetStats, security/startup speaker, loving life.8,302 followers | Follow
Jack Daniel
Sporadic Blogger, Security BSides co-founder, InfoSec Curmudgeon, Reluctant CISSP, Tenable Product Manager, Amateur Blacksmith, BS Artiste Extraordinaire, more8,169 followers | Follow
Lenny Zeltser
Sharing thoughts on IT with a strong focus on information security8,134 followers | Follow
Chris Wysopal
Application security, former L0pht researcher, L0phtCrack and Netcat for Windows developer, Veracode CTO & co-founder8,064 followers | Follow
Elinor Mills
CNET News.com Internet security and privacy reporter with a zest for life.7,795 followers | Follow
George V. Hulme
Writer. IT security • Cloud Computing • Technology • Science • Markets7,337 followers | Follow
attrition.org
attrition.org staff share this account. if we follow you, we really like you... or we really dislike you.6,423 followers | Follow
Kim Zetter
Senior reporter for Wired covering cybercrime, civil liberties, privacy, and security.6,349 followers | Follow
DHS Lessons Learned
Lessons Learned Information Sharing is DHS's online network of emerg responders and lessons learned6,232 followers | Follow
taylor banks
Teacher, Entrepreneur, Security and Privacy Evangelist, Speaker, Geek, Traveler, Hacker, Likes Nice Hats6,198 followers | Follow
Didier Stevens
5-to-9 security researcher and Microsoft MVP. Mostly IT security. And programming. And (hardware) hacking. And PDF. Avatar: http://bit.ly/bP0Gy06,062 followers | Follow
Christopher Burgess
Author/Speaker.Security.Safety.BulIying.SocialMedia.IntellectualPropertyProtection.Intelligence. Protect families especially the elderly/young; Enjoying Life5,948 followers | Follow
Dancho Danchev
Independent Cyber Threats Analyst, OSINT/Cyber CI Analyst, ZDNet.com Blogger, Security Blogger at Webroot5,866 followers | Follow
US EPA - NJ,NY,PR,VI
EPA Region 2 protects human health and the environment in New Jersey, New York, Puerto Rico, U.S. Virgin Islands, and 8 Tribal Nations5,743 followers | Follow
Emergency Management
The official Twitter page of Emergency Management magazine.5,569 followers | Follow
Leigh Honeywell
Infosponge, hyper-generalist, geek feminist, Canuck expat. Pwnie herder with @msftsecresponse. Tweets are my opinions only, RTs != endorsements.5,568 followers | Follow
Dr. Anton Chuvakin
Information security: SIEM, log management, vulnerability management, PCI DSS, GRC... now at Gartner, Inc!5,461 followers | Follow
Christophe Veltsos
InfoSec, Risk, and Privacy Strategist. More at www.linkedin.com/in/chrisveltsos5,400 followers | Follow
arbornetworks
Arbor Networks provides security and network management solutions for Internet service providers and large enterprise networks.5,326 followers | Follow
ChrisJohnRiley ♻
--== I'm just this guy, you know! ==-- :: Penetration Tester :: Blogger (@catch22insec) :: Podcaster (@eurotrashsec)5,321 followers | Follow
Dave Lewis
security type, #blogger, breaker of things, bass player, dad, #infosec #security #smartgrid, #cloud, creator of (-:|3 emoticon. I love my job.5,061 followers | Follow
haxorthematrix
PaulDotCom Podcast and Blog, dedicated to providing the latest information security news, hacking and research. Senior Security Consultant with NWN Corporation.5,045 followers | Follow
alexander knorr
infosec, security, privacy, linux, opensource, networks, tcp/ip, programming, scripting, apple, windows,4,999 followers | Follow
Jason Haddix
Director of Penetration Testing @ HP && Father. My tweets and website are my own views and not that of my employer.4,872 followers | Follow
corelanc0d3r
[Learn|Share|Teach|Own] Founder of Corelan Team & Corelan GCV / https://www.corelan-training.com | Proud dad. Opinions expressed here are my own.4,861 followers | Follow
Dan Philpott
Federal cybersecurity, risk management, cloud security and information assurance practitioner. Focused on policy and practice. Editor of FISMApedia.org.4,794 followers | Follow
Chester W - Sophos
Sophos Security expert Chet Wisniewski shares advice and insights into online threats4,740 followers | Follow
Angelina Ward
Director, Social Media & Content for @LexisNexisRisk. Work: Data, Investigation, Fraud, InfoSec, Publishing. Interests: Tech, Food, Wine, Travel. My opinions.4,689 followers | Follow
Rebecca Herold
Infosec, privacy, & laws compliance, professor, fun momzy, author. I love: family, friends, science, art, math, music, nature, cicadas, palindromes, running4,601 followers | Follow
Martin McKeay
Blogger, podcaster, QSA and security twit. Talking about Security since 2004 My opinions are my own and do not reflect those of my employer.4,565 followers | Follow
CrisisCamp
Barcamp/hackathon-ish event (supported by CrisisCommons) to encourage tech ninjas & people of all skills to use tech to help crisis mgt and global development.4,541 followers | Follow
Jennifer J. Minella
Jennifer (Jabbusch) Minella. CISSP, HP MASE, Network Infrastructure Specialist, 802.1X devotee, writer, speaker, security diva4,498 followers | Follow
Joshua Corman
Security Strategist/Intellectually Honest Ex-Analyst/Zombie Killer/Co-Founder of Rugged ruggedsoftware.org / Statements are mine & may not reflect Akamai's4,356 followers | Follow
Infowar Monitor
The Information Warfare Monitor is a joint project of The SecDev Group and the Citizen Lab, an interdisciplinary laboratory based at the University of Toronto4,348 followers | Follow
Matt Suiche
Hacker, Microsoft Enterprise Security MVP, @MoonSols, Hackito Ergo Sum4,329 followers | Follow
Joey Tyson
Links/discussion on security, privacy, social networking, & random geekery; enjoy! I work for Facebook, but all opinions/thoughts are my own and NOT Facebook's.4,216 followers | Follow
Andrew Hay
Devastatingly handsome Chief Evangelist @CloudPassage and [soon to be] transplanted Canadian. Author, blogger, BBQ junkie and former industry analyst.4,148 followers | Follow
James Arlen
Infosec Geek, Hacker, Social Activist, Author, Speaker, Parent.4,073 followers | Follow
Kirt Cathey
Staring in the face of retirement while mulling how to pay for college for two kids and my second childhood.4,070 followers | Follow
indi303 & lizborden
The horsemen of the Security Apok bring the first no BS InfoSec Show.4,044 followers | Follow
Michael J. Russell
Pro social tech practitioner since 1995. AFCEA, InfraGard. Autodidact. Rainmaker. Consultant to @EWTN's @TeresaTomeo. Analyst/Scribe. HB Studio + The WELL alum.4,031 followers | Follow
BrianHonan
InfoSec Consultant, Blogger, Author, Founder and Head of Ireland's CSIRT @irisscert3,997 followers | Follow
Jayson E. Street
Why do I only follow 403 simple. “You are not authorized to view this page. HTTP error 403 – F0rb1dd3n” ;-)3,990 followers | Follow
EDU Info Security
Information Security news, risks and advice, brought to you by Steve Werby.3,846 followers | Follow
Mike Fratto
Editor, Network Computing. Coder. Network nerd. Builder of boats and guitars. Opinionated. Practical. Not nearly as grumpy as I seem. My comments are mine.3,818 followers | Follow
Alex Hutton
I like risk! Also, My comments do not not necessarily represent the views of my employer.3,796 followers | Follow
Joshua Wright
Hacker, wireless security analyst, SANS instructor, snappy dresser3,657 followers | Follow
Laura Chappell
Network Wire and WiFi tapper, Online Trainer, Mom and Traveler... Horrid Cook3,624 followers | Follow
Forensic Focus
ForensicFocus.com - computer forensics portal for digital forensics and ediscovery professionals3,605 followers | Follow
Felix P. Nater, CSC
Guru & Trusted Advisor on making organizations safe / non-violent workplaces through situational awareness.3,593 followers | Follow
Nikita Kronenberg
Happy Mommy & Wife, DEF CON Speaker Liaison, Hello Kitty Fanatic, Zombie Destroyer, Politically Purple, Part-time Ninja3,560 followers | Follow
Martin Roesch
Snort author, Sourcefire founder & CTO, open source developer, entrepreneur.3,528 followers | Follow
MalwareNews
MalwareNews is sponsored by SkyRecon, a provider of IT security for endpoints, applications, data and users. Sean Martin, CISSP3,514 followers | Follow
Larry Walsh
Channel, security and IT services prognosticator; CVC director; owner of The 2112 Group.3,487 followers | Follow
DataLossDB
DataLossDB provides accurate and unbiased information about breaches of personally identifying information when lost by or stolen from third parties.3,453 followers | Follow
Ed Aractingi
IT professional in HigherEd, technology enthusiast, security, virtualization cloud computing, passionate about social media linux & gadgets CISSP MCSE3,440 followers | Follow
Gal Shpantzer
Information security and risk management consultant. Strong project manager with interdisciplinary skillset to solve complex business and technical problems.3,385 followers | Follow
ID Experts
Leader in comprehensive data breach solutions that deliver the most positive outcomes before, during and after a data breach. Also follow our president @RickKam3,374 followers | Follow
Mike Rothman
Securosis Analyst. Security industry veteran. I say what you are thinking. Author of Pragmatic CSO.3,341 followers | Follow
Space Rogue
140 Characters for a bio? really? http://www.spacerogue.net/wordpress/?page_id=493,320 followers | Follow
Marcus J. Carey
Tweets *DO NOT* reflect the opinion or beliefs of my employer. -- Security Researcher at @Rapid7. I love to learn and share information with people.3,274 followers | Follow
adam shostack
Working to reduce bad security outcomes. Representing myself here on Twitter.3,240 followers | Follow
Nick Selby
Incident Responder and cyber security and risk management consultant. TX Cop. LE technology analyst. Intel geek, dad, baker's husband.3,224 followers | Follow
Praxiom Research
Plain English Library of ISO risk management, information security, quality management, food safety, occupational health and safety3,145 followers | Follow
christammiller
Content marketer in the mobile forensics realm. #DFIR Tweets reflect my own opinions & not those of my employer.3,132 followers | Follow
CyberCrime101
A podcast that covers everything from Computer & Internet Safety to Information Security & Computer Forensics, hosted by Joe Garcia (@jgarcia62)3,106 followers | Follow
Andy Ellis
Akamai CSO, Parent, Bostonian, Oenophile, Patriots Fan, personal stylist, FCSP, FiveFinger runner. Tweets my own.3,063 followers | Follow
Chris Ensey
Director of Government Security Solutions, SafeNet Inc. Here to learn, collaborate and connect. Tweets are my own opinion and not that of my employer.3,045 followers | Follow
Andre M. DiMino
I follow botnets/malware/e-crime threats. $Dayjob==Digital forensics. Researcher with DeepEnd Research http://www.linkedin.com/in/adimino3,022 followers | Follow
johullrich
CTO SANS Internet Storm Center (isc.sans.org), SANS Instructor, IPv6, Web App Security2,990 followers | Follow
Jeffrey Carr
author, 'inside Cyber Warfare' (O'Reilly Media 2009); CEO, Taia Global, Inc.2,957 followers | Follow
DigitalForensicsMag
Digital Forensics Magazine is a quarterly features and news magazine from the world of computer and cyber crime and digital forensics2,855 followers | Follow
Cory Kennedy
|-|4xZ()R, Happily Married to @tammkenn, Father, Fitness and Nutrition Enthusiast, Beer Aficionado.2,851 followers | Follow
NaturalHazardsCenter
CU Boulder's Natural Hazards Center. Natural hazards research for practitioners, academics, NGOs, and everybody else.2,796 followers | Follow
riskybusiness
The Twitter feed of Patrick Gray, presenter of the Risky Business security podcast...2,773 followers | Follow
Stephen A. Ridley
I write. I take photos. I break software. Manhattan is home.2,753 followers | Follow
Xavier Mertens
Security Blogger, Log, SIEM, Visualisation, Audits & much more! My tweets reflect my personal opinion!2,741 followers | Follow
Rhianna Daniels
Managing director of CompassPR, a PR firm focused on the security industry. Foodie, travel enthusiast, dressage/eventing rider. Loving life.2,727 followers | Follow
Paul Judge, Ph.D.
Inventor, Entrepreneur, Investor. Currently Chief Research Officer of Barracuda Networks. Previously CTO of Purewire, Secure Computing and CipherTrust.2,722 followers | Follow
Hal Pomeranz
Computer Forensics and Information Security. SANS Institute Faculty Fellow. Always looking for new challenges. And lately, always on the road.2,716 followers | Follow
anthonymfreed
Editor, Researcher, Analyst and Freelance Writer - http://www.linkedin.com/in/anthonymfreed2,646 followers | Follow
Andrew Jaquith
CTO of Perimeter E-Security, a cloud security company. Former Forrester analyst and full-time pundit.2,625 followers | Follow
Ben Rothke
Manager - Information Security - Wyndham Worldwide Corp. Writer & author of security books/articles. Views expressed here are mine & not the views of Wyndham.2,581 followers | Follow
Security Justice
Monthly security podcast from Cleveland, Ohio. irc.freenode.net #securityjustice2,556 followers | Follow
James McGovern
Enterprise Architect, Thought Leader, Cult Hero and Champion of Work/Life Balance...2,461 followers | Follow
Philip Hall
SME in mobility, cloud, end-user technology & security. Expertise in security as a business enabler, BYO-D, MDM, NAC, & related adoption strategies.2,447 followers | Follow
danielkennedy74
Cognoscenti de securitas.FinCo CISO now Research Director for Information Security/Networking @451Research.Blawger @PraetorianPref.Opinions are mine alone.2,441 followers | Follow
Chris Boyd
I defeated the Reapers, I punched the Reaper King. There was no little ghost boy, that was a dream.2,420 followers | Follow
Riva Richmond
Freelance tech journalist with an electronic security and privacy focus. I've written lots for New York Times, Wall Street Journal, Entrepreneur and others.2,418 followers | Follow
Syngress Publishing
Publisher of IT Security, Digital Forensics, Hacking, Pen Testing, and related subjects2,410 followers | Follow
John Matherly
2,402 followers | Follow
Security Monkey
Information Security Investigator - full bio here: http://it.toolbox.com/people/chiefmonkey/ - Check out my case file stories at http://bit.ly/casefiles2,342 followers | Follow
Martin Fisher
Christian. Husband. Dad. CISO. Co-host of the Southern Fried Security Podcast. I speak only for myself.2,340 followers | Follow
ryanlrussell
Computer security, writing and FireEye. But mostly I tweet about my kids.2,301 followers | Follow
Apneet Jolly
Hacker, Photographer and Social Butterfly. I spend each day learning, growing, and improving myself. Also #antiaging #cryonics #rockclimbing #smartdrugs #paleo2,283 followers | Follow
Joel Langill
control system security consultant & researcher, ethical hacker, SCADAsec instructor, functional safety engineer, cyber soldier.2,266 followers | Follow
Matt Johansen
Head of the Threat Research Center at WhiteHat Security (@whitehatsec), #blogger ( @liquidmatrix & mattjay.com), #Volleyball player, (-:|32,231 followers | Follow
Amrit Williams
I am because of Him who was, who is, and who will always be #infosec #privacy #strategy #freedom #disciplesofed #endslavery #endhumantrafficking #lovewins2,210 followers | Follow
E.J. Hilbert
Managing Director for Kroll Cyber, Ex-FBI Special Agent specializing in cyber crime, counterintelligence counterterrorism. All opinions posted are my own !!!2,183 followers | Follow
Sarah Bourne
Internet technology strategist, Accessibility and assistive technologies. Views expressed/implied are my own. See my Twitter lists for more interests.2,170 followers | Follow
Joel Esler
OpenSource Community Manager and Senior Research Engineer with the VRT at Sourcefire2,151 followers | Follow
StephenNorthcut
Married 25 years, Christian, geek,manager, fun loving curious, read and write a lot2,105 followers | Follow
J Wolfgang Goerlich
Information Systems and Information Security Manager. Regular InfoSec practitioner, occasional speaker and writer. INTJ. #MiSec, #BSidesDetroit, #CSA, #Owasp.2,060 followers | Follow
Michael Zimmer
Faculty at University of Wisconsin-Milwaukee School of Information Studies (@uwmsois) and co-director of Center for Information Policy Research (@uwmcipr)2,051 followers | Follow
Wes Miller
Research VP at Directions on Microsoft. Interests: Windows, Mac & iPhone, security, SQL, SharePoint & Google. Personal blog: http://www.getwired.com2,046 followers | Follow
GW Homeland Security
The George Washington University Homeland Security Policy Institute is a nonpartisan think tank.2,046 followers | Follow
Paul Roberts
Editor at Threatpost.com, blogger, runner and dad. Opinions expressed here are mine and mine alone.2,042 followers | Follow
the JoshMeister
Apple, tech, & computer security geek, Ph.D. student, LDS, Producer & Host at MacTech Magazine (@MacTechLive), podcast/write about Mac, infosec, LOST, religion.2,031 followers | Follow
sharonnelsonesq
President of Sensei Enterprises, a computer forensics and electronic discovery firm, author of six books, lecturer, attorney2,026 followers | Follow
Javvad Malik
The unholy alliance between information security, cynicism, videos and comedy personified in a short fat person. www.youtube.com/infoseccynic2,026 followers | Follow
Scott Crawford
Polymath, pundit, airhead (AMEL, CFII). Research Director, Security and Risk, Enterprise Management Associates (EMA)2,026 followers | Follow
theprez98 (总统)
USN Veteran. Security Consultant. Owner and Founder, Leverage Consulting & Associates.2,017 followers | Follow
Justin Hosie
Consumer financial services and regulatory compliance lawyer, Kentucky basketball fan2,014 followers | Follow
e-Crime Wales
IT security advice, news and alerts from the e-Crime Wales team. Winner of the Special Award for Cooperation at the 2011 Nominet Internet Awards.2,009 followers | Follow
Speakers Channel
Studio shows, live webcasts and event footage addressing the key issues in Information Security from SC Magazine. View the site at www.scmagazine.tv2,002 followers | Follow
Ben Jackson
Relentlessly yet constructively paranoid (Views expressed here are my own and no one else's)1,980 followers | Follow
Simple Nomad
Went from the post-modern hobo look to meth lab chemist with a simple head shave. I 0wnz fashion.1,971 followers | Follow
Phil Agcaoili
Leader | Visionary | Change Agent Ⓐ Entrepreneur | Connector | Technologist | Information Security, Cyber Security, & Risk Maven ☠ Lifelong Mixed Martial Artist1,942 followers | Follow
Branden Williams
Seasoned security professional, pilot, photographer, sailor, good strong P1, BBQ & beer lover. Currently a CTO at major security firm.1,879 followers | Follow
Steve Werby
UTSA Information Security Officer. Hacker. Virginia Tech fan/grad. Craft beer lover. @eduinfosec puppeteer. Downtown San Antonio resident (ex Richmond, VA)1,869 followers | Follow
Matt Neely
Security researcher, penetration tester and host of the Security Justice Podcast.1,865 followers | Follow
Hidden
1,860 followers |
Kevin Riggins
Devoted husband, Crossfit fanatic, general technology geek with a penchant for computers and photography, Enterprise Security Architect for a Fortune 500 Co.1,835 followers | Follow
MichaelSantarcangelo
Modern raconteur - writer, speaker and catalyst improving organizations by helping people effectively communicate value #crossfit #glutenfree #primal #myr1,759 followers | Follow
Brent Dirks
Web managing editor for @secprods, @occhealthsafety, @eponline. Senior iOS reporter for @appadvice.1,741 followers | Follow
Daniel Miessler
reading | writing | laughing | sharing | secularism | humanism | philosophy | politics | webappsec | programming | design | coffee | danielmiessler.com ::1,740 followers | Follow
Linda Criddle
Intl leader in internet safety and technology, 13 year MSFT veteran, president of LOOKBOTHWAYS LLC, consult on human threats, product design, education, + more1,705 followers | Follow
Iftach Ian Amit
Hacker, executive and general trouble maker/seeker/solver. My views are my own, and may or may not be endorsed by my corporate identity @ioactive1,678 followers | Follow
Bojan Zdrnja
IT Security guy (really, everything IT security related). One of the SANS Internet Storm Center handlers at http://isc.sans.org.1,667 followers | Follow
Jonathan Abolins
Info security, OSINT, and languages geek w/ biology & physics background researching the networked world.1,637 followers | Follow
Nathan Hamiel
InfoSec Professional, Artist, and Thinker. I mess with stuff and sometimes it breaks.1,631 followers | Follow
Chris Duque
Jest Trying to Reduce the Risks of Victimization on the Internet through Education & Awareness.1,587 followers | Follow
Simon Steggles
Moaner, drinker, foodie, husband to @janeysteggs. Lover of family, chickens and AVFC. Director of Disklabs Ltd – Personal Account. Work Acct is @DisklabsLtd1,568 followers | Follow
ghostnomad
Reformed auditor turned Infosec guy, blogger, Tech Haiku, budding author, IT risk (yes I am a risk), CISA, game maker, husband and father1,563 followers | Follow
Anupam Kakroo
Blogger, Photographer, Gadget Freak, and a Dreamer! ((Thoughts expressed are my own))1,563 followers | Follow
Thomas Nicholson
#IT professional by day. #InformationSecurity enthusiast by night. Family guy all the time. I tweet about #security #python #ios #macs #tools etc.1,544 followers | Follow
Daniel Sullivan
Technology headhunter since 1987. Trail runner, marathoner.1,543 followers | Follow
Ruth Jacobs
Information Security Recruitment Consultant at Barclay Simpson, the leading corporate governance recruitment company.1,486 followers | Follow
Dinis Cruz
Web Application security consultant. #O2Platform main developer - http://www.o2platform.com1,468 followers | Follow
Lee Whitfield
Digital Forensic Investigator. Founder of Forensic 4cast. Lethal Forensicator.1,447 followers | Follow
Rick Deacon
Penetration tester, hacker, student, entrepreneur. Cars/music/working out in the spare time. Tweets/opinions are my own and are unrelated to my employer.1,443 followers | Follow
Wally Gonzalez
Cyber Cop Detective for a 4 letter Police Department, Computer Forensic Analyst, Tech Junkie, Geeky yet normal I think, Rumored to be Human1,440 followers | Follow
Wendy Nather
Research Director, Enterprise Security Practice at 451 Research http://www.451research.com1,433 followers | Follow
GIAC Certification
www.giac.org Certifying InfoSec Professionals since 1999.1,408 followers | Follow
James Baker
Security Architect, Cloud security, InfoSec, InfoSec did I mention InfoSec. Living the Dream!!!1,388 followers | Follow
Eric E. Holdeman
Emergency Mgmt and Homeland Security Consulting--Plus Gardening, blog at www.disaster-zone.com more at http://about.me/Eric_Holdeman/1,371 followers | Follow
Vadim Toptunov
Information Security Consultant, Penetration Tester, Network Engineer, Human.1,370 followers | Follow
Andrew Waite
Andrew Waite - Paranoid security guy, welcome to my world... (Comments, posts, rants, etc. are purely my own and not in any way that of my employer)1,368 followers | Follow
Elizabeth Wharton
Redheaded lawyer specializing in technology/security, government affairs, and corporate matters.1,346 followers | Follow
Rocky DeStefano
Insane guy who found a mission within the Information Security field again (Visible Risk).1,333 followers | Follow
L. Brent Huston
So, I'm one of these infosec folks. I break things. I reverse things. I make chaos out of order. I do a lot of stuff that starts with the letter s. :)1,323 followers | Follow
J-Michael Roberts
Digital forensic examiner / incident responder. Hacker. Slayer of spam. Barbeque pitmaster. Cake engineer. Expert at nothing. Opinions are mine. May be joking.1,247 followers | Follow
Dan Sherman
Interests in information security, cyberwar, hacking, pentesting, social engineering, psychology, DIY and practitioner of Ving Tsun.1,238 followers | Follow
David Navetta
A lawyer focusing on information security, data privacy and technology law.1,196 followers | Follow
Peter Millar
I'm Director, Technology Application at ACL Services Ltd. and I have a keen interest in the use of technology for driving efficiency in business1,192 followers | Follow
Gene Spafford
Homunculus of possible extraterrestrial origin, fighting windmills. My security tweets are @RobotSpaf. This is odds & ends. http://about.me/spaf for more.1,187 followers | Follow
Steve_Hunt
Security industry strategist, futurist, dreamer, dad, phitness phreak1,177 followers | Follow
John T. Hoffoss
IT security in higher education (MnSCU). Geek, photography, travel, carpentry, curling, foodie, beer snob, and homebrewer. Live in Nokomis near MSP in twincy.1,168 followers | Follow
Null Session
Astronomer. Scientist. Blogger. Photographer. Mac user. Atheist. Single. Skeptic. Futurist. Primate. Secret Agent. Sock Monkey.1,167 followers | Follow
Brian Baskin
A sonic fusion of Digital Forensics, Incident Response, with a dash of malware analysis and a dollop of Video Game Addiction.1,130 followers | Follow
Michael R. Farnum
InfoSec person who loves God, family, books, and the Dallas Cowboys. Founder of @HouSecCon, Security Advocate for @Accuvant. These are MY opinions1,128 followers | Follow
Allan Pratt, MBA
Tech & Cyber-Security Pro. Tweets focus on tech news, cyber-security, networking, infrastructure, data protection, consumer electronics, and social media.1,109 followers | Follow
Alex Levinson
Security ninja & Ruby dev. Competitive cyber security enthusiast.1,100 followers | Follow
Dennis Thibodeaux
Security pro, CISSP, CISM, Microsoft Certified Trainer, broadcaster-in-exile. History doesn't always repeat itself, but it usually rhymes.1,066 followers | Follow
Privacy Pete
Tweeting about Privacy, Security, Social Engineering, Anonymity, Government, Technology, & Social Media1,059 followers | Follow
Thomas MacKenzie
Application Security Consultant at Trustwave Spiderlabs and Founder / Co-Owner of upSploit Limited1,035 followers | Follow
tom patterson
Blending the Art (Hollywood) and Science (DC) of Security, with the security muscle of CSC.1,027 followers | Follow
Susan Lyon
Seattle Privacy Geek/Lawyer. Austin transplant. Current passion: Mobile. (Tweets mine not my firm's/client's)1,008 followers | Follow
Larry E. Daniel
Digital Forensics Geek, Author, Drummer, Bass Player, Gamer1,007 followers | Follow
Christian Heinrich
Further Information at http://www.linkedin.com/in/ChristianHeinrich1,005 followers | Follow
TalkToanIT
Day to Day ISSO for the MIL, MSIA Grad Love Everything about h4x0r & cyb3r990 followers | Follow
Joshua Marpet
Physical and Logical Security Geek - Leadership Nut - Social Engineer971 followers | Follow
Forensic Control
We're computer forensic investigators; we find, analyse and present data to help with your dispute. We welcome any questions.955 followers | Follow
Kees Leune
Information Security Officer, Strategist, Professor, Mentor, Adviser, Consultant, Speaker and occasional developer. Blog at http://www.leune.org.933 followers | Follow
Joey Hernandez CISM
What I Do: Air Force Cyberspace Operations Officer, IO Tactician, Intelligence Analyst, Consultant, College Professor. What I am: Daddy & Hubby CISM CISSP MBCI926 followers | Follow
Stephen Kline
In-house counsel. Privacy, technology, data governance and regulatory -- mostly. My tweets are personal, not business.926 followers | Follow
Stephen Bonner
The postings on this service are my own personal views and not those of any company and are not intended to be interpreted as such901 followers | Follow
Tomasz Miklas
895 followers | Follow
Andrew S. Baker
Providing Virtual CIO services for the SMB market -- Making Business Better (Information Security, IT Operations, IT/Business Integration, Technology Strategy)885 followers | Follow
Tom Stamulis
InfoSec Professional, Mac fan, Gadget collector, Big Red Sox and Pats fan!873 followers | Follow
Dennis Kuntz
Geek, dad, and husband. Make a living in technology and infos- OOH! SHINY!867 followers | Follow
Matt Franz
I want to believe but I'm hopelessly damaged by 3 tours in #ics #scada #security. I mostly tweet at @seclectech now on non-cyber related stuff.865 followers | Follow
Andy Willingham
Christian, Husband, Father, IS Professional, Blogger and Co-Host of The SFS Podcast. Comments are mine and do not reflect the opinion of my employer.857 followers | Follow
BC Threat Ops Center
The BrightCloud Threat Operations Center is BrightCloud’s security research and response group tasked with identifying and capturing malware URLs.816 followers | Follow
AdrianLane
793 followers | Follow
Mieke Verburgh
Just Another (Security) Geek - Complicated Person - Director of Research @ Malwarebytes - Music, Movies, Books and Arts lover793 followers | Follow
coryaltheide
the thinker and the fisherman. digital forensics, incident response.785 followers | Follow
John Viega
Author of Building Secure Software, Myths of Security, OpenSSL book, ...776 followers | Follow
Lee Kushner
President of LJ Kushner and Associates and co-founder of infosecleaders.com - information security career advisors764 followers | Follow
David Kovar
Computer forensics, incident response, malware, investigations, flying. Always learning.744 followers | Follow
Chris Christianson
northern california, mgr network security, SANS Community Instructor742 followers | Follow
David K. Shepherd
IT Systems & Security Dork, CISSP, CEH Supporting Federal IT since 1988. Views and opinions are mine alone.732 followers | Follow
Steve Goldsby
20 Year Information Security expert, visionary entrepreneur, CEO of http://www.icsinc.com725 followers | Follow
Joe Garcia
Digital Forensic examiner, InfoSec n00b and fan of the World's Greatest Detective, Batman723 followers | Follow
James Costello
Security consultant, husband, father and Catholic.The DefCon goon known as Genesys, BlackHat proctor718 followers | Follow
Hart Rossman
Home: Family, Travel, Outdoors, Climb, Bike, Run, Camp, Circus Skills. Work: CTO Cyber Security @ SAIC, Tech & Innovation688 followers | Follow
david_hoelzer
Security Researcher & Auditor, Senior Fellow @ SANS, Forensic Examiner, PenTester681 followers | Follow
Nick Akerman
Partner in the AmLaw 100 law firm of Dorsey & Whitney, Watergate prosecutor, complex litigation for Fortune 100, cycling daily around Central Park.673 followers | Follow
Exercise24
Exercise 24 (X24) just had its third iteration of an open-invitation, humanitarian assistance & disaster relief simulation, FEB 7-10, 2012, next one is x24 Next670 followers | Follow
Jaime Chanaga
Global Management Consultant. President, The CSO Board. Editorial Board Member @SCMagazine. Former CISO. My blog EnduringIdeas20.com.663 followers | Follow
Technology Forums
629 followers | Follow
whitewolfsec
598 followers | Follow
brianbourne
SecTor, TASK, CMS, Cars or Bikes (with and without motors) - you may know me from one of these things.590 followers | Follow
santhosh cheeniyil
Interests: Network security, new technologies, gadgets, entrepreneurship!559 followers | Follow
Darius Freamon
Security administrator, privacy nut, online gamer, father, Christian558 followers | Follow
Michael Peters
Your Personal CXO, eJD, MBA, CRISC, CISSP, CISM, CCE, SCSA, CMBA, ISSA Fellow, Executive, Author, Artist, Activist, Lover, Fighter, The Security Trifecta, etc.535 followers | Follow
Timothy J. Nolan
Monk meets Mr. Rogers. Freezer-burned vanilla ice cream. ½ ninja, ½ Don Quixote. Slaying dragons & windmills. Aspirations: Import Pythonlearning.516 followers | Follow
Peter Hillier
CISO Financial/Healthcare. Dad, News Junkie, Writer, InfoSec Curmudgeon.512 followers | Follow
Manuel Santander
CISO at Empresas Públicas de Medellín E.S.P., SANS Internet Storm Center handler, Community SANS Instructor508 followers | Follow
Jeremy Rossi
head -c 140 /dev/random, ohh yeah work at Bloomberg in Net Design & Info Sec492 followers | Follow
walter sikora
dedicated to assuring the availability, reliability and security of critical infrastructure485 followers | Follow
Benoît H. Dicaire
Independent Consultant, protecting Fortune 500's information since 1995. Discussing and sharing thoughts, trends and news about Information #Security.466 followers | Follow
Cybersleuth
The Poirot of the PC; the Maigret of the Mac. I dig out all your digital secrets.464 followers | Follow
M Ameres, RPI, Bosco
Management consultant and project manager; Rensselaer (RPI) Alumni, Don Bosco Prep Alumni.464 followers | Follow
infogeek2u
Admin with insatiable curiosity and interest in all things related to information security.457 followers | Follow
Aaron Hughes
CEO, Information and data forensics analyst and expert witness involved in corporate fraud and family law high tech investigations. #Fraud #Infosec457 followers | Follow
Georges Duplessy
Computer Science student, infosec lover, ruby coder, rails lover, startup employee. Follow me for more ;-)456 followers | Follow
Dr. John D. Johnson
Champion of Science. Invoker of Logic. Promoter of Reason. Educator. Security Professional. Astronomer. Blogger. Skeptic.440 followers | Follow
nym_infragard
InfraGard is an FBI Program for Critical Infrastructure Protection435 followers | Follow
SouthernFriedSec
The Official Twitter Account of the Southern Fried Security Podcast425 followers | Follow
Larry Rosen
CISSP, CISA, CEH, InfoSec without humor is just no fun, Proud IT Generalist, Husband, Figure Skater's Dad. Opinions are my own and often totally wrong. #infosec424 followers | Follow
Howard A Schmidt
423 followers | Follow
Brian Birkinbine
InfoSec, always learning something new #include disclaimer.h /* tweets are my own */423 followers | Follow
Shaw Consulting
IT Consulting and Security | If we can't do it, we know someone who can.417 followers | Follow
Michael Levin
Cyber Security or insecurity you decide? Retired Fed, now working as a consultant in global security for a big company. Also, co-founder at CFISA.org:414 followers | Follow
Packetninjas LLC
Boutique Security and Development Consulting Firm which provides offensive and defensive insights into current and emerging threats.413 followers | Follow
Dustin Fritz
411 followers | Follow
douglas brush
Douglas has over 20 years of computer and technology experience. An adept and knowledgeable computer and digital investigator.379 followers | Follow
Iestyn Pugh
Bit of a nerd interested in all things tech and web, particularly online security. Music lover and sports fan. These are my personal views, not my employers.376 followers | Follow
Maurice A. Ramirez
Keynote Speaker, Author, Strategist, Polymath & Consultant to Corporations & Healthcare - TopLinked LION362 followers | Follow
Loc Nguyen
Specialize in Digital Forensics, Reverse Engineering, and Reconstructions. Former federal, currently private.357 followers | Follow
Chris Jager
Personal Twitter account for Chris Jager. Content on this account is not endorsed by any organization.344 followers | Follow
P Sweets Ross
Chick with Brains: OSINT Info Analyst; IACSP; Gimp; No Mercy on Haters or Stupid Peeps.336 followers | Follow
Andrew Herlands
I write about InfoSec, threats, attacks, and other items of interest. My opinions are my own, and are not necessarily those of my employer (or anyone else).322 followers | Follow
Steven Parker
U.S. Electric sector security dude. Former (and very happy about that) CIP auditor.315 followers | Follow
Aaron Davis
Cisco Engineer, Security and Infrastructure Consultant. Learning a bit about Juniper.312 followers | Follow
Chris Carpinello
Infosec startup veteran who makes healthcare CSOs successful. Fan of leadership, simplicity and design. Servant's heart, warrior's spirit. INTJ.303 followers | Follow
Crystal M. Craven
Techie Model Actress and Co Author / Creative Partner of the Cybil Raven Chronicles298 followers | Follow
Chris Ekonomidis
At Capco & focusing on reg reform, compliance w Dodd-Frank & EMIR, derivatives clearing, risk, & compliance and other fun stuff. My views are my own..293 followers | Follow
Robert Slade
Used to be the antivirus review guy, more known now as the infosec book review guy (or "the doting Grandpa")268 followers | Follow
Chris Terzich
Minnesota InfraGard President, Homeland security, incident and crisis management255 followers | Follow
Bradley Lide
President of CyberAngel Security Solutions - providing Data Encryption, Tracking & Recovery software for stolen computers & InfraGard National Board Director245 followers | Follow
Florindo Gallicchio
Director of the Risk Management & Security Practice at Bluenog. I used to steal it (legally), now I protect it. I dabble in photography to keep me sane.240 followers | Follow
Coby Leuschke
Creative and Technical Consulting: Web Systems, Sensor Networks, Off-grid Info Tech221 followers | Follow
Dan Lohrmann
Michigan CSO, author, blogger, PCIO columnist, international speaker on technology, security and Internet integrity.196 followers | Follow
chuck georgo
Public safety and security consultant, I help government agencies get important stuff done…I also welcome our heroes home at BWI Airport – www.owhmd.org172 followers | Follow
Boyun Choi
Digital forensics Investigator. National Police of Korea. Master of Information System Audit. 포렌식,모바일,사이버수사, Remote Control147 followers | Follow
Kenneth H. Lee
Information Security, CISSP, GCUX, Infragard, policy compliance/enforcement146 followers | Follow
InfraGard Pittsburgh
FBI sponsored program for information sharing and dialog between the public and private sectors concerning critical infrastructure protection.131 followers | Follow
Stefano Mele
ICT, Privacy, Security and Intelligence Lawyer. Expert of cyber-security, cyber-terrorim and cyber-warfare.129 followers | Follow
INFRAGARD OKC
InfraGard is an information sharing and analysis effort serving the interests and combining the knowledge base of a wide range of members.127 followers | Follow
Pete Herzog
researcher, scientist, hacker, ideahamster, and fighter of the good fight122 followers | Follow
jeffrey carr
117 followers | Follow
Nasir Memon
114 followers | Follow
Todd Miller
Cali expat in NYC, but Hoosier-by-birth. 8-year veteran Internet cop. Mostly commenting on random things and general nonsense.110 followers | Follow
Scott Christiansen
Security professional, college instructor, board member, hacker, and all around busy guy.103 followers | Follow
PROTEUS OCM
PROTEUS OCM LLC specializes in the Governance, Risk Management, and Compliance of Information Technology.99 followers | Follow
markweatherford
92 followers | Follow
Seven Lowe
My name is 7 so I guess that means I'm odd (and prime though that makes less sense.)89 followers | Follow
Infragard LI
The official Twitter account for the Long Island Infragard Members Alliance71 followers | Follow
Michael Miller
VP of Security and Federal Programs, CISSP, for Global Crossing57 followers | Follow
Darren Schell
56 followers | Follow
kmacdonald
41 followers | Follow
Brian Peister
38 followers | Follow
Dirigo Security
InfoSec pro with 13 years experience. CISSP, CRISC, and ITILV3 certified. Director level audit & remediation for a large health services company.37 followers | Follow
Washington Infragard
28 followers | Follow
Joe Cupano
15 years Information Security. Current focus is Cloud and Virtual Data Center security, Cyber Ranges and the like23 followers | Follow
