Security
Adam Savage
I play a scientist on TV. Obsessive maker of things. Host of Mythbusters on the Discovery Channel.598,629 followers | Follow
FBI PressOffice
FBI Special Agent--If you have a crime tip, please point your browser here: https://tips.fbi.gov /305,054 followers | Follow
Alex Howard
Gov 2.0 @Radar Correspondent, @OReillyMedia: alex@oreilly.com. Intrigued by technological change, taken with ideas, cooking, the outdoors, books, dogs and media119,301 followers | Follow
Cisco Security
Cisco Security - product information, industry news and random things that may be of interest to security pros. Updated by Debbie Daly.67,681 followers | Follow
Kevin Mitnick
Security Consultant, Public Speaker, & Author Whistling ICBM launch codes since 198853,737 followers | Follow
Paul Force
PC Tech and consultant...Security Dude...Plus I am brightening your day with some recycled jokes...like a DJ but for jokes36,421 followers | Follow
Mikko Hypponen
CRO at F-Secure. Malware Adventurer. World Champion in Xevious.25,185 followers | Follow
Richard Stiennon
Follow @cyberwar for updates on Cyber Defense. Security industry analyst, speaker, author of Surviving Cyberwar.23,550 followers | Follow
Kaspersky Lab
Leading developer of Internet threat management solutions that protect against all forms of malicious software.23,250 followers | Follow
TrendMicro
Trend Micro Incorporated, a trusted global cloud security leader, creates a world safe for businesses and consumers exchanging digital information.22,718 followers | Follow
Security Stuff
News and alerts related to cyber security by @esawdust. Also see @sensorstuff, @batterystuff, @gpsstuff, @onlyopensource, @avrstuff21,010 followers | Follow
Dr. Mark Drapeau
I'm technically part of the Microsoft Office of Civic Innovation, but mostly I wake up, talk to people, and enjoy cocktails (not necessarily in that order).20,920 followers | Follow
Network World
The Connected Enterprise. Network World is the premier provider of information, intelligence and insight for Network and IT Executives.17,856 followers | Follow
briankrebs
computer, internet security journalist, writes about cyber crime. wrote for The Washington Post '95-'0916,552 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 2010.15,567 followers | Follow
Tony Bradley
Technology and information security writer, and author of the PCWorld Net Work blog and magazine column.15,461 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/fb15,359 followers | Follow
Threatpost
Threatpost is the first stop for fast-breaking security news, conversations and analysis from around the world.14,826 followers | Follow
Schneier Blog
Bruce Schneier is an internationally renowned security technologist and author. Described by The Economist as a "security guru"14,798 followers | Follow
SCMagazine
The official Twitter feed for all things IT security. Like us on facebook.com/SCMag14,718 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.13,908 followers | Follow
J. Ryan Winter
Canadian private investigator, entrepreneur, blackberry addict, single father of 3 and believer in karma with a love of soccer, flying, technology, Lego & Dogs13,568 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.12,888 followers | Follow
SANS Institute
SANS is the most trusted and by far the largest source for information security training, certification and research in the world.12,674 followers | Follow
Panda Security
Official Twitter from Panda Security. One of the world's leading creators and developers of technologies, products and services for keeping clients malware free12,287 followers | Follow
Richard Bejtlich
Chief Security Officer, MANDIANT. TaoSecurity blogger. Author. Black Hat instructor.10,830 followers | Follow
SophosLabs
The global network of highly skilled researchers and analysts, protecting businesses from known and emerging malware - viruses, rootkits and spyware.10,784 followers | Follow
Infosecurity
Infosecurity is the only magazine dedicated to the strategy and technique of information security, delivering critical business and technical information for IT10,642 followers | Follow
Paul Asadoorian
PaulDotCom Podcast & Blog, dedicated to providing the latest information security news.10,614 followers | Follow
DarkReading
News and information on IT security, helping information security pros manage the balance between data protection and user access.10,219 followers | Follow
David Hoelzer
Tweet feed for valuable IT Audit & Security resources from David Hoelzer & the SANS Institute. Visit us at http://auditcasts.com10,159 followers | Follow
John Adams
Security Team Lead @ Twitter, keynote speaker on ops, web performance enthusiast, photographer, sound guy, one man entertainment machine.10,021 followers | Follow
Jeremiah Grossman
Founder & CTO of WhiteHat Security, Internet security aficionado, Hacker, public speaker on 6 continents, Maui resident, & Brazilian Jiu-Jitsu Black Belt.9,957 followers | Follow
Dino A. Dai Zovi
Just some guy who hacked a Mac once. Don't worry, it wasn't yours.9,713 followers | Follow
CoreSecurity
Core Security enables organizations to hack themselves before criminals do. http://www.coresecurity.com9,658 followers | Follow
Kevin Poulsen
Kevin Poulsen is the news editor at Wired.com,and the author of the cybercrime book KINGPIN (Crown, 2011)9,605 followers | Follow
Michael Krigsman
Twittering about IT failures, running Asuret, writing for ZDNet, and taking tons of photos.9,582 followers | Follow
The Dark Tangent
9,476 followers | Follow
helpnetsecurity
Mirko Zorz, Editor in Chief of Help Net Security and (IN)SECURE Magazine.9,117 followers | Follow
Team Cymru
Specialized Internet security research firm and 501(c)3 non-profit dedicated to making the Internet more secure.8,971 followers | Follow
[Christofer] Hoff
Fitness Culturist (P90X, X+, Insanity, TRX & Brazilian Jiu Jitsu Fanatic.) Technosopher. Cloud & Virtualization (Security) Dude. I work at Juniper Networks.8,846 followers | Follow
Web Security News
Web Security News is a digest of important security announcements and events about web application security techniques and strategies.8,703 followers | Follow
James Tarala
CyberSecurity and Audit Resources from James Tarala and Enclave Security.8,397 followers | Follow
securitypro2009
Information Security Pro, Compliance visionary, Entrepreneur, World Traveler, and Business Management Techophile.8,310 followers | Follow
McAfee News
Get McAfee's official news announcements by following this feed. (Not an interactive feed.)8,307 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.8,232 followers | Follow
sansforensics
Stay up to date with the latest news from the SANS Digital Forensic News8,160 followers | Follow
Web of Trust
WOT is a free safe surfing tool that tells you which websites you can trust based on other users' experiences. Free download for all major browsers.7,745 followers | Follow
Chris Gates
Security Guy. You guys are really f**king up my zen thing. blog: carnal0wnage.attackresearch.com7,721 followers | Follow
Lenny Zeltser
Sharing thoughts on IT with a strong focus on information security7,405 followers | Follow
securityninja
Doing Application Security in the Product Management team at Realex Payments7,374 followers | Follow
Dave Kennedy (ReL1K)
CSO of a Fortune 1000, Co-Founder DerbyCon, Creator of the Social-Engineer Toolkit (SET), Fast-Track, Author, exploits, etc, Father/Husband, Christian, Hugger7,370 followers | Follow
Jack Daniel
Sporadic Blogger, Security BSides co-founder, InfoSec Curmudgeon, Reluctant CISSP, Tenable Product Manager, Amateur Blacksmith, BS Artiste Extraordinaire, more7,210 followers | Follow
Chris Wysopal
Application security, former L0pht researcher, L0phtCrack and Netcat for Windows developer, Veracode CTO & co-founder7,197 followers | Follow
George V. Hulme
Writer. IT security • Cloud Computing • Technology • Science • Markets6,726 followers | Follow
Security Response
Views and updates from the Symantec Security Response team on all things security6,713 followers | Follow
Alexander Sotirov
Independent security researcher, speaker and occasional rockstar. Famous on the Internets. Also, better than being poked with a stick.6,604 followers | Follow
VUPEN Security
VUPEN is the leading provider of defensive & offensive cyber security intelligence for Govs. Company of the Year 2011 in the Vulnerability Research Market.5,991 followers | Follow
451 Research
451 Research is a division of The 451 Group and focused on the Business of Enterprise IT Innovation. To learn more visit us at www.451Research.com.5,811 followers | Follow
Kim Zetter
Senior reporter for Wired covering cybercrime, civil liberties, privacy, and security.5,515 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/bP0Gy05,504 followers | Follow
Vitor Domingos
ruthless mercenary with a weird sense of humor, master of all things wrong, who plots evil plans5,465 followers | Follow
RSA Conference
Where the world talks security. Follow the happenings with #RSAC!5,392 followers | Follow
PrivacyLaw
Prof. Michael Scott, Southwestern Law School, L.A.; also check @InternetLaw @CopyrightLaw @LawProf5,354 followers | Follow
attackresearch
5,250 followers | Follow
Leigh Honeywell
Geek of all trades, cranky feminist, expat Canuck. @msftsecresponse newbie. Tweets are my opinions only, RTs not necessarily endorsements.5,127 followers | Follow
Peter Urbanski
Never bored. Into search algos, data mining, ancient mysteries, photography, healthy living. I follow real people. ☮5,049 followers | Follow
WebsenseSecurityLabs
The security research team at Websense. Researchers, coders, incident handlers, across the world.5,007 followers | Follow
Christophe Veltsos
InfoSec, Risk, and Privacy Strategist. More at www.linkedin.com/in/chrisveltsos4,972 followers | Follow
Dr. Anton Chuvakin
Information security: SIEM, log management, vulnerability management, PCI DSS, GRC... now at Gartner, Inc!4,886 followers | Follow
ChrisJohnRiley
--== I'm just this guy, you know! ==-- :: Penetration Tester :: Blogger (@catch22insec) :: Podcaster (@eurotrashsec)4,809 followers | Follow
arbornetworks
Arbor Networks provides security and network management solutions for Internet service providers and large enterprise networks.4,750 followers | Follow
Security Tools Watch
COREvidence™ Product Evangelist | While my Computer gently Tweets™ Copyrighted by ToolsWatch.4,674 followers | Follow
haxorthematrix
PaulDotCom Podcast and Blog, dedicated to providing the latest information security news, hacking and research. Senior Security Consultant with NWN Corporation.4,583 followers | Follow
alexander knorr
infosec, security, privacy, linux, opensource, networks, tcp/ip, programming, scripting, apple, windows,4,542 followers | Follow
Darkoperator
Pauldotcom Security Weekly Podcast, Metasploit Developer, Vulnerability Research Engineer and all around techie4,541 followers | Follow
eEyeDigitalSecurity
eEye provides Security in Context; helping companies across the globe manage the digital threats they face every day.4,527 followers | Follow
ethicalhacker
The Ethical Hacker Network, a Free Online Magazine for Security Pros4,495 followers | Follow
Mike Murray
Security, Influence, Social Engineering, Career coaching. Too many things all at once.4,488 followers | Follow
Angelina Ward
Director, Social Media & Content for @LexisNexisRisk. Work: Data, Investigation, Fraud, InfoSec, Publishing. Interests: Tech, Food, Wine, Travel. My opinions.4,327 followers | Follow
Chester W - Sophos
Sophos Security expert Chet Wisniewski shares advice and insights into online threats4,283 followers | Follow
Kyle Flaherty
Director of Marketing @breakingpoint | Boston sports fan transplanted in Austin | Devoted Dad4,279 followers | Follow
Tenable Security
The Official Twitter feed for Tenable Network Security and the Nessus Vulnerability Scanner.4,265 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 Toronto4,199 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.4,186 followers | Follow
Rebecca Herold
Infosec, privacy, & laws compliance, professor, fun momzy, author. I love: family, friends, science, art, math, music, nature, cicadas, palindromes, running4,126 followers | Follow
Peter Vogel
ICT/Physics teacher, lifelong learner, Internet/tech newspaper columnist, Network admin, PM & Premier's SciTech, CAP 2011 winner. CERN HST 2011. G+ user3,991 followers | Follow
Jennifer J. Minella
Jennifer (Jabbusch) Minella. CISSP, HP MASE, Network Infrastructure Specialist, 802.1X devotee, writer, speaker, security diva3,971 followers | Follow
indi303 & lizborden
The horsemen of the Security Apok bring the first no BS InfoSec Show.3,840 followers | Follow
Andrew Hay
Devastatingly handsome strategist, author, blogger, BBQ junkie and analyst @451Research covering endpoint, network and security management technologies3,784 followers | Follow
Keith Crawford
A geek that loves Christ and tries to live like it. Engineer, Digital Sherpa, Social Median. Blessed Husband & proud Daddy.3,652 followers | Follow
James Arlen
Infosec Geek, Hacker, Social Activist, Author, Speaker, Parent.3,644 followers | Follow
EDU Info Security
Information Security news, risks and advice, brought to you by Steve Werby.3,495 followers | Follow
Malware Domain List
3,456 followers | Follow
Alex Hutton
I like risk! Also, My comments do not not necessarily represent the views of my employer.3,450 followers | Follow
BrianHonan
InfoSec Consultant, Blogger, Author, Founder and Head of Ireland's CSIRT @irisscert3,443 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.3,441 followers | Follow
F-Secure Labs
Follow F-Secure's Chief Research Officer Mikko Hypponen @mikko and Security Advisor Sean Sullivan @FSLabsAdvisor for computer security related tweets…3,421 followers | Follow
Guidance Software
OFFICIAL Twitter account for Guidance Software, EnCase & Tableau products, training & services in forensics, e-discovery & incident response & security.3,375 followers | Follow
Nikita Kronenberg
Happy Mommy & Wife, DEF CON Speaker Liaison, Hello Kitty Fanatic, Zombie Destroyer, Politically Purple, Part-time Ninja3,342 followers | Follow
Joshua Wright
Hacker, wireless security analyst, SANS instructor, snappy dresser3,304 followers | Follow
Richard Savage
Simply known as The Savage. I enjoy hockey and wake/snow boarding. It's not all play. I'm also an Acct Manager for Symantec3,251 followers | Follow
CyberSecureInstitute
DC-based cyber security advocacy and analysis group. Providing the latest news and insightful commentary from around the web.3,242 followers | Follow
Martin Roesch
Snort author, Sourcefire founder & CTO, open source developer, entrepreneur.3,223 followers | Follow
Errata Security
Errata Security is a consulting company comprised of cutting edge computer security researchers and developers. (Tweets by Marisa)3,214 followers | Follow
ID Experts
Leader in comprehensive data breach solutions that deliver the most positive outcomes. Also follow our president @RickKam3,209 followers | Follow
DataLossDB
DataLossDB provides accurate and unbiased information about breaches of personally identifying information when lost by or stolen from third parties.3,205 followers | Follow
Hacker Fantastic
Hacker Fantastic is a whitehat Hacker who enjoys writing software, tinkering with computers and everything security related.3,164 followers | Follow
Offensive Computing
Danny Quist. Reverse engineering and virus/antivirus commentary.3,126 followers | Follow
Jules Polonetsky
Director of the Future of Privacy Forum,former CPO at AOL and DoubleClick. Former NYC Consumer Affairs Commissioner.Find us at Facebook.com/FutureofPrivacy3,125 followers | Follow
SocialMediaSecurity
News, articles, guides, presentations and more about the insecurity of social media.3,091 followers | Follow
MalwareNews
MalwareNews is sponsored by SkyRecon, a provider of IT security for endpoints, applications, data and users. Sean Martin, CISSP3,089 followers | Follow
Katie Moussouris
Senior Security Strategist at Microsoft, spent years breaking things - only right I should spend time fixing and building them. Also: Roguery.3,059 followers | Follow
IBMSecuritySolutions
End-to-end risk management solutions from IBM protect against threats while reducing the cost and complexity of security.3,013 followers | Follow
SECURITY Magazine
Security is for security executives. Security focuses on the management issues facing top security professionals & effective security solutions being employed.3,003 followers | Follow
Forensic Focus
ForensicFocus.com - computer forensics portal for digital forensics and ediscovery professionals3,002 followers | Follow
Praxiom Research
Plain English Library of ISO risk management, information security, quality management, food safety, occupational health and safety2,949 followers | Follow
theRegister
2,913 followers | Follow
Mike Rothman
Securosis Analyst. Security industry veteran. I say what you are thinking. Author of Pragmatic CSO.2,904 followers | Follow
adam shostack
Working to reduce bad security outcomes. Representing myself here on Twitter.2,880 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.2,877 followers | Follow
Nick Selby
Cop. LE technology analyst. Cyber security and risk management consultant. Intel geek, dad, baker's husband.2,841 followers | Follow
Malware Database
2,798 followers | Follow
Andy Ellis
Akamai CSO, Parent, Bostonian, Oenophile, Patriots Fan, FCSP, wannabe runner. Tweets my own.2,754 followers | Follow
BitDefenderLabs
IT Security news, info, and tons of other malware and antivirus goodies.2,718 followers | Follow
Adriana Iordan
Web and Software Marketing geek. Art movies fanatic. Product Management Officer at Avangate.2,608 followers | Follow
Rhianna Daniels
Managing director of CompassPR, a PR firm focused on the security industry. Foodie, travel enthusiast, dressage/eventing rider. Loving life.2,585 followers | Follow
Matt Putvinski
Director of Technology Audit and Security, CISSP, CISA, CPA - Helping clients protect data and utilize technology efficiently. Security and Privacy a must!2,533 followers | Follow
Pwnie Awards
An annual awards ceremony celebrating and making fun of the achievements and failures of security researchers and the wider security community.2,525 followers | Follow
riskybusiness
The Twitter feed of Patrick Gray, presenter of the Risky Business security podcast...2,520 followers | Follow
Timeless Prototype
Security Analyst (code, .NET, net and 'Net). Multilingual programmer. Following != endorsement. RT's are observations, opinion not implied unless stated.2,500 followers | Follow
TippingPoint
TippingPoint provides network security solutions that protect network infrastructure; applications; and critical data from malicious attacks.2,484 followers | Follow
Stephen A. Ridley
I write stuff. I take pictures. I break software. Manhattan is home.2,375 followers | Follow
Andrew Jaquith
CTO of Perimeter E-Security, a cloud security company. Former Forrester analyst and full-time pundit.2,372 followers | Follow
Shadowserver
A non-profit, watchdog group of security professionals that gather, track, and report on malware, botnet activity, and e-fraud2,336 followers | Follow
Spyware Removal Guru
Support Cave has been offering free spyware removal tools and tips since January 2004. Supportcave.com now regularly enjoys 90,000+ unique visitors per month2,330 followers | Follow
Rik Ferguson
Director Security Research @ Trend Micro - I tweet as myself, expect some non security stuff too.2,320 followers | Follow
Theresa Payton
Passionate About Security and Educating Others On How to be More Secure2,307 followers | Follow
Tracy Kitten
BankInfoSecurity.com is a leading site dedicated to security news and fraud trends impacting the financial space.2,302 followers | Follow
SANS ISC Fast
This account is for the rapid fire dissemination of information. Please see @sans_isc for headlines.2,300 followers | Follow
Voltage Security
Encryption that just works. Voltage Security is the leading innovator of enterprise and payment card data protection solutions inside and outside the cloud2,278 followers | Follow
Sarah Bourne
Internet technology strategist, Accessibility and assistive technologies. Views expressed/implied are my own. See my Twitter lists for more interests.2,105 followers | Follow
Amrit Williams
I've done some things...CTO Quantivo, IBM executive, CTO BigFix, Gartner analyst, various executive leadership, strategy and board positions2,089 followers | Follow
mitchellashley
collaboration, software, mobility, social media, security, tablet, smartphone, iPad iPhone, virtualization, networks, cloud, Microsoft, Fender Stratocaster2,047 followers | Follow
StephenNorthcut
Married 25 years, Christian, geek,manager, fun loving curious, read and write a lot2,009 followers | Follow
Luis Corrons
A bit of geek, a bit of freak, and PandaLabs Technical Director. WildList reporter. AMTSO Board of Directors. And a buch of other things :)2,005 followers | Follow
Apneet Jolly
Hacker, Photographer and Social Butterfly. I spend each day learning, growing, and improving myself. Also #antiaging #cryonics #rockclimbing #smartdrugs #paleo2,005 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 !!!1,970 followers | Follow
Christien Rioux
Chief Scientist & Co-Founder of Veracode. Partner at SOURCE Conference. L0phT/cDc/207/6171,968 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.1,937 followers | Follow
Ben Jackson
Relentlessly yet constructively paranoid (Views expressed here are my own and no one else's)1,912 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.tv1,906 followers | Follow
B.K. DeLong
Dad. InfoSec & Risk Management Researcher. Online Community Builder. Professional Networker. Futurist. Muse, Friend and Listener. I speak for myself.1,872 followers | Follow
Christopher F Clark
Intel HW/SW architect; Yacc++ co-author; comp.compilers denizen1,840 followers | Follow
Simple Nomad
Went from the post-modern hobo look to meth lab chemist with a simple head shave. I 0wnz fashion.1,839 followers | Follow
Rodrigo (Sp0oKeR)
#IronNerds that work with Security Research that loves pcap analysis, intrusion detection, malwares analysis and Beers . #Ironman wannabe and #twittersrun1,809 followers | Follow
Stefan Tanase
Senior Security Researcher at Kaspersky Lab. Financial markets enthusiast. Visual arts and electronic music fan. Mother tongue tweeting on @stefantRO1,804 followers | Follow
Pedro Bueno
Information Security Professional, SANS Institute Internet Storm Center Incident Handler, Security and Malware Researcher1,802 followers | Follow
Wes Miller
Research VP at Directions on Microsoft. Interests: Windows, Mac & iPhone, security, SQL, SharePoint & Google. Personal blog: http://www.getwired.com1,747 followers | Follow
Mourad Ben Lakhoua
Information Security Professional Focused on Cybersecurity, Penetration Testing, Risk Management and more. Blogger and SecTechno Founder.1,740 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)1,737 followers | Follow
E.L Forestal
There is no other career that's more noble and exciting as police work. So, if you want to become a cop, click on the web link1,702 followers | Follow
Kriptópolis
Tenemos que hacer planes para la libertad y no sólo para la seguridad, porque sólo la libertad puede hacer segura la seguridad. (Karl Popper)1,695 followers | Follow
Matt Neely
Security researcher, penetration tester and host of the Security Justice Podcast.1,693 followers | Follow
MichaelSantarcangelo
Modern raconteur - writer, speaker and catalyst improving organizations by helping people effectively communicate value #crossfit #glutenfree #primal #myr1,684 followers | Follow
securityfocus
1,683 followers | Follow
CISSP CERTIFICATION
This is a defunct site for isc2_cissp. Please follow at @isc2 or go to our website for more info.1,663 followers | Follow
Ian Glazer
Research Director @ Gartner - identity management, privacy, compliance, misc. amusing topics1,652 followers | Follow
Twitt Security
Security News picked, filtered and posted by computers and humans1,634 followers | Follow
Brent Dirks
Senior E-News Editor for Security Products and Network-Centric Security magazines.1,634 followers | Follow
taylor banks
Teacher, Entrepreneur, Security and Privacy Evangelist, Speaker, Geek1,627 followers | Follow
Kevin Riggins
Devoted husband, Crossfit fanatic, general technology geek with a penchant for computers and photography, Enterprise Security Architect for a Fortune 500 Co.1,599 followers | Follow
Web Security News
News, tips and latest posts on web security, web application protection, hacker incidents and related cyber-stuff1,597 followers | Follow
NatlCyberSecAlliance
The National Cyber Security Alliance (NCSA) is a nonprofit organization that empowers a digital citizenry to use the Internet safely, securely and productively.1,596 followers | Follow
World Privacy Forum
The World Privacy Forum is a non-profit public interest research group that focuses on privacy and technology issues.1,588 followers | Follow
cedricpernet
Incident Handler/Cybercrime & Forensic Investigator working in a CERT. Also, totally addicted to guitar playing :-)1,552 followers | Follow
Anupam Kakroo
Blogger, Photographer, Gadget Freak, and a Dreamer! ((Thoughts expressed are my own))1,540 followers | Follow
IronKey, Inc.
Secure Data and Online Access. News and other resources from IronKey, focused on Cybersecurity and online fraud.1,527 followers | Follow
Sean Sullivan
Security Advisor @ F-Secure Corporation ~ Political scientist, geographer, technician, researcher, blogger. I want to be a behavioral economist in my next life…1,523 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.1,491 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 #devops etc.1,490 followers | Follow
alan shimel
1,452 followers | Follow
Thierry Zoller
The views and opinions expressed are my personal views and are not intended to reflect the views of my employer or any other entity.1,429 followers | Follow
Sandro Gauci
voip security, web application security and a bit of photography as well1,424 followers | Follow
Leigh Hollowell
Security and IT Project Management Student. Even though I'm done with school now I will always be a student :)1,383 followers | Follow
Wayne Porter
Security, film, marketing, virtual worlds. MSFT Security MVP x3, Google Security RD member...1,380 followers | Follow
Stephen Fewer
1,377 followers | Follow
Global Knowledge
Leverage our broad-based security curriculum that includes the latest in skills-building and vendor-specific training from Cisco, Microsoft, and more!1,340 followers | Follow
James Blake
Runs HP's EMEA Security Operations Consulting practice, Security B-Sides London Co-Founder, surfer, heavy metal fan, Belgian beer aficionado & Harley rider.1,298 followers | Follow
Rocky DeStefano
Insane guy who found a mission within the Information Security field again (Visible Risk).1,269 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)1,259 followers | Follow
Keith Simonsen
Unix security geek, rabid fan of the Eris Free network, and retired @ 27 y/o1,220 followers | Follow
BrickHouse Security
The Experts on Security, Surveillance, and Personal Protection. When You Need To Know.1,209 followers | Follow
Jason M Oliver
My name is Jason. I'm a security evangelist, technology innovator, former DJ, and health enthusiast.1,176 followers | Follow
Elizabeth Wharton
Redheaded lawyer specializing in technology/security, government affairs, and corporate matters.1,161 followers | Follow
RIT InfoSec/Ben
Rochester Institute of Technology Information Security news brought to you by Ben Woelk. Follow RITInfosec on Facebook.1,147 followers | Follow
Joris Evers
Joris is a former tech journalist (CNET, IDG) gone from hack to flack first @McAfee and now @Netflix with a passion for outdoor life and travel.1,103 followers | Follow
Raymond Lee
Yet another person based in Reading in the tech industry. NFC and Mobile Payment focused with a love of Arsenal and Beer! The views are all my own..mostly.1,097 followers | Follow
nickharbour
Reverse Engineer. Malware Analyst for Mandiant. Doesn't afraid of anything.1,082 followers | Follow
Altieres Rohr
Editor da Linha Defensiva, colunista no G1/Globo.com e sofista sucinto.1,078 followers | Follow
Brian Baskin
A sonic fusion of Digital Forensics, Incident Response, with a dash of Video Game Addiction. I break things. A lot.1,055 followers | Follow
UNITEDSecuritySummit
UNITED Security Summit - Fostering Innovation and Collaboration. UNITED is an acronym for Using New Ideas to Empower Defenders.1,046 followers | Follow
XiaoBo Chen
0x557.org; security researcher; shellcode; overflow; HIPS; scanner; NIPS1,035 followers | Follow
Michael R. Farnum
InfoSec person who loves God, family, books, and the Dallas Cowboys. Founder of @HouSecCon, Security Technology Advocate for @Accuvant. These are MY opinions1,033 followers | Follow
Scott J Roberts
intelligentsia in training, network security ninja, pancake visionary, mixtape master, failed fashionista1,017 followers | Follow
Anue Systems
Anue Systems is the technology leader in Monitoring Optimization and Network Test and Measurement, including Emulation. More Info: http://anuesystems.com/988 followers | Follow
Privacy Pete
Tweeting about Privacy, Security, Social Engineering, Anonymity, Government, Technology, & Social Media963 followers | Follow
Kevin Long
Investigative response/forensics, data recovery, Mac security, and risk analysis at Verizon Cybertrust Security.955 followers | Follow
Andrew Storms
Director of Security operations for nCircle. Mostly work stuff here with my photography mixed in.911 followers | Follow
Info Security Jerk
I want to educate you about information security, but I'm not going to sugarcoat it. You make risky decisions and need some tough love.903 followers | Follow
daveg_mtso
889 followers | Follow
Dave Ockwell-Jenner
Oh hai! I'm an information security geek. All your systems are belong to me. Kthxbai. Some time DJ and producer.876 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.848 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.821 followers | Follow
heatherwest
Technology policy, privacy, identity, opengov. DC, food, ninjas, and lots of pictures of my dog. This is my opinion only.801 followers | Follow
Joe Pruitt
I'm a Software Architect living in a Networking world with a little touch of PowerShell on the side.786 followers | Follow
hardcorsecurity
self-appointed security, wireless, and telecommunications guru767 followers | Follow
Infosec Update
Follow us for the latest Infosec News powered by our Infosec Update web site.732 followers | Follow
nitrosecurity
NitroSecurity provides Network & Information Security solutions: SIEM, Log Management, DB Monitoring & IPS729 followers | Follow
Martijn Wismeijer
IT-consultant with a special interest in security and anything connected to the Internet. Tweets are personal opinions, not that of any company.727 followers | Follow
Kroll Security Group
Kroll Security Group is the world leader in Security Consulting, Engineering & Design725 followers | Follow
AdrianLane
707 followers | Follow
Travis Spencer
Software engineer specializing in federation, SSO, cloud computing, Web services, & enterprise architecture701 followers | Follow
Ashwani Kaul
President ControlCase Technologies - provider of enterprise grade IT-GRC solutions to customers globally - rated by Gartner683 followers | Follow
Threat Feed
Pulls latest threats, risks, vulns from security vendors. Direct Questions to @rysar671 followers | Follow
Sebastien Raveau
Infowar consultant craving for interesting conversations while trying to keep a high signal/noise ratio on Twitter & blog. Photo: www.spirit-of-paris.com646 followers | Follow
Corey Nachreiner
Senior Network Security Analyst for WatchGuard, and CISSP. Passionate about computer security. Also digs video games, photography, drums, movies, music, + more.631 followers | Follow
Jaime Chanaga
Global Consultant. Interests: business tech, cybersecurity, and life. Mensch. Editorial advisor @SCMagazine. Founder @CSOBoard. Blog http://EnduringIdeas20.com616 followers | Follow
Aryeh Goretsky
ESET researcher. McAfee, Tribal Voice + Zultys alum. Mod at Lenovo, Lockergnome, SNF, Wilders. Neowin MVC. C-SQUAD admin. Microsoft MVP, ZCSE. Opinions: My own.609 followers | Follow
Chris Tobkin
Worldwide Security Sales Technical Leader for Cisco Systems. Posting on Politics, Economics, Tech, Security, and Leisure. Posts are my own, not my employer's.592 followers | Follow
brianbourne
SecTor, TASK, CMS, Cars or Bikes (with and without motors) - you may know me from one of these things.569 followers | Follow
Jonathan Sander
IAM and Security Analyst for Quest Software. Father, geek, freak.563 followers | Follow
Tyler Reguly
Manager, Security Research & Development @ nCircle. My free time goes to reading, too much TV and too little guitar.553 followers | Follow
Endpoint Security
Protect sensitive data, file encryption, prevent unauthorized access to sensitive data, manage and control the usage of portable, improve corporate compliance535 followers | Follow
Panda Security CR
Panda Security, the Cloud Security Company, es uno de los líderes tecnológicos en el mercado de la seguridad informática.496 followers | Follow
Jerod Brennen
An infosec heretic who believes that you CAN implement security without telling people no.494 followers | Follow
Dasient Inc
Dasient, the leader in Web anti-malware technology, envisions an Internet that is safe and malware-free for users and online businesses.479 followers | Follow
James Tarala
CyberSecurity Consultant & IS Auditor with Enclave Security. Senior SANS Instructor & Audit Curriculum Author.479 followers | Follow
Jeremy Rossi
head -c 140 /dev/random, ohh yeah work at Bloomberg in Net Design & Info Sec464 followers | Follow
joshsweeney
CEO of Atcore Systems a software consulting company focused on business software solutions.450 followers | Follow
Shannon McNaught
IT Security Geek who is focused on being honest, optimistic, trusting and understanding in love, life & doing it with a smile.449 followers | Follow
Sara Peters
Editor-in-chief of http://enterpriseefficiency.com, blog maven at http://happyinhooverville.squarespace.com, and a rare delight to be in the same room with.448 followers | Follow
Michael H. Buselli
The Secure Application Guy. I like Ruby and C. Firewalls use my name to scare their children. SSL certificates think I am Chuck Norris.423 followers | Follow
George Roberts
President and CEO of Purity Networks, a software development consultancy and email protection services company. Editor of Twist: on Tech.417 followers | Follow
Dave Dugal
A gap between the gas pedal and the floor is just wasted space! Also, founding member of Juniper SIRT.415 followers | Follow
Sylvain C.
IT Security Engineer (aka Code, Caffeine and Rock'n'Roll). Secure Coding Zealot Apprentice.415 followers | Follow
Michael Schrenk
The life of a Webbot/Botnet Developer & Media Consultant. Author of Webbots, Spiders & Screen Scrapers (No Starch Press)402 followers | Follow
Joachim Vance
Geek. interests in Software Security and Authentication, Biometrics, SmartCards. Avid mountain biker and amateur botanist. love all things tech.393 followers | Follow
Zot O'Connor
I am in security, geekdom, hacking, home brewing, and surving my minions382 followers | Follow
theacademyhome
The Academy Home - www.theacademyhome.com is a web site that provides instructional security videos for the home user.371 followers | Follow
Tiago Henriques
All your memory are belong to us - owning your EIP and SEH all day, all night367 followers | Follow
Stan E. Settle
Running, soccer playing, Healthcare IT Security Analyst, iPhone lovin', '06 A4 Avant drivin', Maui Jim wearin' happy husband guy361 followers | Follow
Edward Frye
CISSP, Information Security, Networking, Geek, Photographer, Motorcyclist, Husband, Father (3)357 followers | Follow
Joseph Dawson
i have been a programmer, network admin, project manager, consultant, hacker, gamer, etc.356 followers | Follow
Raz-Lee Security
The Security Experts for IBM Power i/AS400, specializing in PCI, SOX & HIPAA Compliance. Visit our blog at www.razlee.com/blog352 followers | Follow
Maurice A. Ramirez
Keynote Speaker, Author, Strategist, Polymath & Consultant to Corporations & Healthcare - TopLinked LION350 followers | Follow
Russell Thomas
PhD Candidate at George Mason in Computational Social Science. Incentive-based cyber security, bleeding edge methods, modeling business value and risk of IT.345 followers | Follow
Infosec News
Automated news from Help Net Security. Our main Twitter account is @helpnetsecurity313 followers | Follow
Secure360 Conference
The premier educational conference for the information risk management and security industry. Supported by the Upper Midwest Security Alliance. May 9-12, 2012294 followers | Follow
Scott Pinzon
Director of Marketing and Outreach for ICANN. Compulsively creative. Writer. Nerd.255 followers | Follow
Purewire, Inc.
keeping users safe from malicious people, places & things on the Web- do you have a pure wire?250 followers | Follow
Gideon T. Rasmussen
SVP, Information Risk Manager | Information Security | Program Architect | CISSP, CRISC, CISA, CISM, CIPP248 followers | Follow
Kristen Clarke
Kristen is the online marketing specialist for EDMC-The Art Institutes.243 followers | Follow
megapanzer
235 followers | Follow
Justin Prosco
Security, Reverse Engineering, Malware Analysis, Incident Response, Forensics225 followers | Follow
Rodney Stout
Information Security Consultant, Movie Connoisseur, Social Marketer, Real Estate Investor, Intent Listener, Social Engineer, Idea Generator,212 followers | Follow
Dominique Bongard
Embedded systems security specialist, reverse engineer, mobile application developer. CEO and Founder of 0xcite Sàrl.199 followers | Follow
Andrea Matwyshyn
Asst. Prof. Legal Studies and Business Ethics, Wharton School, Univ. of Pennsylvania172 followers | Follow
Brendon Unland
Serial Entrepreneur, Business Strategist, and Technical Architect.168 followers | Follow
Security Decisions
Information Security Decisions Group: Get the latest updates on upcoming security events to network and reconnect with your peers!153 followers | Follow
securityfoc
139 followers | Follow
Scott Christiansen
Security professional, college instructor, board member, hacker, and all around busy guy.104 followers | Follow
Michelle Zafron
98 followers | Follow
Purewire Trust
Create a powerful and portable Trust reputation! Why? Using Purewire Trust, you can...87 followers | Follow
Infosecurityadviser
The online community for information security and its users58 followers | Follow
