Security
FBI PressOffice
FBI Special Agent--If you have a crime tip, please point your browser here: https://tips.fbi.gov /355,477 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/SecFB137,551 followers | Follow
Ruhani Rabin
Senior Vice President of Product (Friendster Inc), Web Tech Enthusiast, Social Media Researcher and a Total fun Geek! Right!? #rr584,265 followers | Follow
TrendMicro
Trend Micro Incorporated, a trusted global cloud security leader, creates a world safe for businesses and consumers exchanging digital information.39,161 followers | Follow
Kaspersky Lab
Leading developer of Internet threat management solutions that protect against all forms of malicious software.38,228 followers | Follow
Mikko Hypponen
CRO at F-Secure. Malware Adventurer. World Champion in Xevious.29,445 followers | Follow
SaferOnlineTeam@MS
Microsoft's official Twitter account for privacy and online safety guidance and information.27,547 followers | Follow
Security Response
We are the official security response team at Microsoft.25,501 followers | Follow
Security Stuff
News and alerts related to cyber security by @esawdust. Also see @sensorstuff, @batterystuff, @gpsstuff, @onlyopensource, @avrstuff21,049 followers | Follow
Technology Geek
News, Facts and Rumors about Technology, Internet, Web 2.0 and Social Media. Please ReTweet me. I always follow you back, it's in my nature. Enjoy my tweets!20,004 followers | Follow
briankrebs
computer, internet security journalist, writes about cyber crime. wrote for The Washington Post '95-'0919,232 followers | Follow
Experts Exchange
We are a technology Question and Answer site. Join for free as an expert: http://xprt.it/EEfree Follow us http://xprt.it/FacebookEE or http://xprt.it/L1nkedn18,917 followers | Follow
Shashi Bellamkonda
Smiles are free & priceless, Speaker- Small Business & Sr. Director Social Media Network Solutions & Adjunct Prof. Marketing Georgetown Univ (opinions my own)18,015 followers | Follow
Schneier Blog
Bruce Schneier is an internationally renowned security technologist and author. Described by The Economist as a "security guru"17,845 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 2010.17,331 followers | Follow
Threatpost
Threatpost is the first stop for fast-breaking security news, conversations and analysis from around the world.17,125 followers | Follow
SCMagazine
The official Twitter feed for all things IT security. Like us on facebook.com/SCMag16,446 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.15,580 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.14,618 followers | Follow
InternetSafety.com
Now part of McAfee, InternetSafety.com disseminates information and produces products designed to help parents guide and protect their children online.14,246 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 free13,757 followers | Follow
SophosLabs
The global network of highly skilled researchers and analysts, protecting businesses from known and emerging malware - viruses, rootkits and spyware.12,426 followers | Follow
Paul Asadoorian
PaulDotCom Podcast & Blog, dedicated to providing the latest information security news.11,542 followers | Follow
CoreSecurity
Core Security is the leading provider of predictive security intelligence solutions for enterprises and government organizations.11,448 followers | Follow
RSA Security
RSA helps the world's leading organizations succeed by solving their most complex and sensitive security challenges.11,077 followers | Follow
Identity Guard
The Official Twitter profile of Identity Guard, your total protection solution from identity theft. Tips to keep you safe online and offline!11,070 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 universe10,434 followers | Follow
David Hoelzer
Tweet feed for valuable IT Audit & Security resources from David Hoelzer & the SANS Institute. Visit us at http://auditcasts.com10,314 followers | Follow
McAfee News
Get McAfee's official news announcements by following this feed. (Not an interactive feed.)9,724 followers | Follow
Network Solutions
Real Person™ support . . . Looking forward to your questions and conversations! Need help? We're here 24/7: http://bit.ly/nshelp9,327 followers | Follow
sansforensics
Stay up to date with the latest news from the SANS Digital Forensic and Incident Response News9,269 followers | Follow
Hacking Exposed
Based on the best-selling security book, Hacking Exposed, by Stuart McClure, Joel Scambray, and George Kurtz.9,101 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.8,550 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.8,435 followers | Follow
securitypro2009
Information Security Pro, Compliance visionary, Entrepreneur, World Traveler, and Business Management Techophile.8,393 followers | Follow
Lenny Zeltser
Sharing thoughts on IT with a strong focus on information security8,164 followers | Follow
Chris Wysopal
Application security, former L0pht researcher, L0phtCrack and Netcat for Windows developer, Veracode CTO & co-founder8,126 followers | Follow
Daniel Compton
I work as a professional penetration tester. www.commonexploits.com is there to share knowledge and tools with other security professionals in the industry.7,808 followers | Follow
Ken Westin
Founder/inventor of @gadgettrak theft recovery and data protection software for mobile devices. Security groupie and mobile privacy advocate @mobileprivacy7,247 followers | Follow
Dejan Kosutic
Expert for information security management (ISO 27001 standard) and business continuity management (BS 25999-2 standard)6,713 followers | Follow
SearchSecurity.com
The latest cybersecurity news, tips and features from the reporters and editors of SearchSecurity.com. Security threats, data breaches, research and more.6,231 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/bP0Gy06,091 followers | Follow
Christophe Veltsos
InfoSec, Risk, and Privacy Strategist. More at www.linkedin.com/in/chrisveltsos5,411 followers | Follow
Home Security Store
At HomeSecurityStore.com we offer surveillance systems, wireless alarms, intercoms & more to ensure you feel safe, comfortable & secure within your home!5,141 followers | Follow
alexander knorr
infosec, security, privacy, linux, opensource, networks, tcp/ip, programming, scripting, apple, windows,5,019 followers | Follow
TheITJuggler.com
TheITJuggler is THE site for online safety, internet security and other online issues.4,970 followers | Follow
Owen CyberCop
High Tech Detective Protecting the greatest city in the world. New York City. Mac Propin, Iphone loving, Blackberry using, forensics researching CyberCop4,869 followers | Follow
Steve Schwartz
Executive Vice President, Consumer Services, Intersections Inc / Identity Guard.4,794 followers | Follow
Chester W - Sophos
Sophos Security expert Chet Wisniewski shares advice and insights into online threats4,772 followers | Follow
Adrian Crenshaw ♞
I'm an unremarkable security hobbyist who occasionally makes drunk posts. I'm not a hot female in infosec so I don't know why I have so many followers, either.4,760 followers | Follow
Alison Rhodes
Family Safety Expert/Blogger/Author/Spokesperson. Mom of 4, step mom of 4. #SIDS Mom, #SpecialNeeds Mom, #Caregiver #Mompreneur #Safety and #Parenting Tips4,751 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, running4,615 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…4,495 followers | Follow
Oliver Schmid
Executive with 20 years of global experience & demonstrated success in driving IT value, reducing costs, and executing and delivering business solutions.4,487 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 Toronto4,359 followers | Follow
Spyware Lady
A Spyware enthusiast who researches and writes on a variety of interests not the least of which is Spyware4,130 followers | Follow
Malware Domain List
4,120 followers | Follow
Cyber Security News
All about the latest IT security trends, network security, website protection, hackers and security breaches. Better info helps you protect your organization4,102 followers | Follow
BrianHonan
InfoSec Consultant, Blogger, Author, Founder and Head of Ireland's CSIRT @irisscert4,003 followers | Follow
Application Security
Protecting businesses from hackers through software & services that helps customers find & fix security vulnerabilities across the application life cycle.3,982 followers | Follow
CyberSecureInstitute
DC-based cyber security advocacy and analysis group. Providing the latest news and insightful commentary from around the web.3,700 followers | Follow
SocialMediaSecurity
News, articles, guides, presentations and more about the insecurity of social media.3,689 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 @RickKam3,388 followers | Follow
Mike McEvoy
Tech world veteran, blogger, technology enthusiast, WordPress fan, e-marketer, entrepreneur, somewhat of a geek, immersed in social media, SEO, SEM, web x.03,306 followers | Follow
christammiller
Content marketer in the mobile forensics realm. #DFIR Tweets reflect my own opinions & not those of my employer.3,134 followers | Follow
CyberCrime101
A podcast that covers everything from Computer & Internet Safety to Information Security & Computer Forensics, hosted by Joe Garcia (@jgarcia62)3,128 followers | Follow
FishNet Security
FishNet Security, an information security solutions provider, helps organizations to manage risks, maintain compliance, & maximize operational efficiency.3,088 followers | Follow
Paul Ducklin
Computer scientist who's passionate about security. Head of Technology, Asia Pacific at Sophos in Sydney. First CPU purchased with own money: 6502.3,069 followers | Follow
Andre M. DiMino
I follow botnets/malware/e-crime threats. $Dayjob==Digital forensics. Researcher with DeepEnd Research http://www.linkedin.com/in/adimino3,037 followers | Follow
Shadowserver
A non-profit, watchdog group of security professionals that gather, track, and report on malware, botnet activity, and e-fraud2,763 followers | Follow
Ken Colburn
THE Original Data Doctor - Founder/CEO of Data Doctors Computer Services & Data Forensics labs - Media Tech Personality, Wine Lover, golf & travel nut2,762 followers | Follow
Rick Moore
Networking Guru, Sport/Talk Show Host, Entrepreneur, Golfer, Rico's Dad, Gym Fanatic, Dedicated to Providing Security to Families & Business and ROCK-N-ROLLer!2,732 followers | Follow
Rik Ferguson
Director Security Research @ Trend Micro - I tweet as myself, expect some non security stuff too.2,681 followers | Follow
Faisal فيصل
CEO @fdilbar, Account Director @VedutaAgency, MENA Region Representative @ChawaChawa - IT Geek. Follow & stay tuned!2,675 followers | Follow
Theresa Payton
Passionate About Security and Educating Others On How to be More Secure2,590 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.2,448 followers | Follow
Secure Bytes
Secure Bytes is the leading information security software solution provider which develops security software that focus on automated IT security.2,350 followers | Follow
Luis Corrons
A bit of geek, a bit of freak, and PandaLabs Technical Director. WildList reporter. AMTSO Board of Directors. And a bunch of other things :)2,289 followers | Follow
MSK Security
MSK Security - Network and Internet Security. Saas Security, Cloud Security, Non-Linear Authentication. Business, tech, VC, money, cars, SoCal business2,270 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 !!!2,199 followers | Follow
Network Security
Network infrastructure security news and tips for business owners, managers and IT security professionals.2,095 followers | Follow
Mourad Ben Lakhoua
Information Security Professional Focused on Cybersecurity, Penetration Testing, Risk Management and more. Blogger and SecTechno Founder.2,024 followers | Follow
Phil Agcaoili
Leader | Visionary | Change Agent Ⓐ Entrepreneur | Connector | Technologist | Information Security, Cyber Security, & Risk Maven ☠ Lifelong Mixed Martial Artist1,948 followers | Follow
Pedro Bueno
Information Security Professional, SANS Institute Internet Storm Center Incident Handler, Security and Malware Researcher1,924 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)1,871 followers | Follow
Christopher F Clark
Intel HW/SW architect; Yacc++ co-author; comp.compilers denizen1,853 followers | Follow
Government Security
Homeland security monthly, daily e-newsletter and Web site (www.gsnmagazine.com)1,853 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…1,809 followers | Follow
Twitt Security
Security News picked, filtered and posted by computers and humans1,751 followers | Follow
Henk van Roest
Working for Microsoft as EMEA Security Program Manager. Interests in Software Security, fighting malware and phishing.1,706 followers | Follow
Web Security News
News, tips and latest posts on web security, web application protection, hacker incidents and related cyber-stuff1,681 followers | Follow
Jonathan Abolins
Info security, OSINT, and languages geek w/ biology & physics background researching the networked world.1,639 followers | Follow
malware group
1,636 followers | Follow
Chris Duque
Jest Trying to Reduce the Risks of Victimization on the Internet through Education & Awareness.1,590 followers | Follow
Francois Larouche
Mente sana in corpo sano is my moto. I specialized in Web App Security, work in the Cloud (SaaS) @ whatsnexx a CSM shop, do ITF taekwon-do for years, love Korea1,578 followers | Follow
Anupam Kakroo
Blogger, Photographer, Gadget Freak, and a Dreamer! ((Thoughts expressed are my own))1,570 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 @DisklabsLtd1,570 followers | Follow
Lawrence Abrams
1,562 followers | Follow
Privacy News
1,559 followers | Follow
F-Secure UK
Here to help you stay safe online. Try our Internet Security and Online Backup for free.1,491 followers | Follow
Michelle L. Kincaid
Cybersecurity & tech policy geek. Freelance writer at ClearanceJobs.com. Founder of CybersecurityNews.org.1,474 followers | Follow
Mac Forensics
Digital forensics with a focus on Mac forensic investigation.1,466 followers | Follow
InBoxRevenge Forum
We have a forum about exposing spammers and other types of cybercrime. Learn how you can help report illegal spammers and more.1,409 followers | Follow
IpswitchFileTransfer
Ipswitch File Transfer builds software to securely move your valuable data.1,409 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)1,373 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.1,248 followers | Follow
Jonathan Eunice
Information technology advisor, business strategist, software developer. Believes human factors, economics and organizational dynamics trump better mousetraps.1,116 followers | Follow
James [Redacted]
I bleed purple, #Ravens | Bmore like me | Pursuing a fancy degree in #CyberSecurity | #InfoSec | #SysAdmin | #Aquarius ♒ | Have You Run Your System Updates?1,041 followers | Follow
Tracy Mooney
Formerly McAfee Chief Cyber Security Mom, Mom, Blogger, Geek, Vegetarian, avid quilter/sewist, volunteers and meditates daily, self-proclaimed magazine junky.1,019 followers | Follow
Stewart Room
Lawyer specialising in data protection, security, privacy & technology. Collects guitars.1,003 followers | Follow
Linda McGlasson
I work in the information security awareness division in one of the world's largest financial services companies.997 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.862 followers | Follow
A Fistful of Dongles
Twitter account for Eric Huber's A Fistful of Dongles Blog853 followers | Follow
phenrycissp
Opinions expressed are mine and mine alone Find me on Google+ phenrycissp@gmail.com835 followers | Follow
Remove-Malware.com
My name is Matt Rizos and I run Remove-Malware.com. I also run The PC Docs, LLC in St. Louis, MO827 followers | Follow
D. Rittenhouse
Geek, Author, Computer Security Consultant, Privacy Advocate, Blogger, PC Repair Technician, IT Support Manager, Aikido Student.823 followers | Follow
Clint P. Garrison
Information Security,news compiled from Security & Compliance Professionals on Twitter.819 followers | Follow
Mike Rigsby
Network Admin for a circuit board mfr in PDX area, Windows Admin, PC Troubleshooter, Android fan, Smartass. Opinions are my own, not my employer807 followers | Follow
Madison Grace
twittering the latest internet security and computer security threat headlines780 followers | Follow
Neira Jones
security can be fun!... http://neirajones.blogspot.com/ opinions my own...681 followers | Follow
Malware Forensics
634 followers | Follow
Timothy Dimoff
Considered one of the nation’s leading authorities in high-risk workplace and human resource issues, security, vulnerability assessments, terrorism and crime.630 followers | Follow
Roger A. Grimes
552 followers | Follow
InfraGard808
487 followers | Follow
Web Security News
Website and application security news and tips clearinghouse to help you keep on top of online threats469 followers | Follow
ESET Knowledgebase
Your resource for new KB articles, news, and version updates. Follow us for Customer Support. Have a problem? Ask us about it here or go to http://kb.eset.com463 followers | Follow
SecureTweets
Malware on links is now a real problem for Twitter users, the FREE SecureTweets browser add-on gives users advance warning on the safety of URLs in Tweets460 followers | Follow
Infosec Shark
Relentless information security shark, patrolling Infosec Island and beyond. Chomping on threats.432 followers | Follow
Lee Barney
Information Security consultancy focusing on ISO 27001 implementation, Business Continuity implementation, Penetration Testing, Data Destruction and Training.316 followers | Follow
Highlight Team
Information mgt services (data architecture, governance, information assurance, privacy, security) supporting Federal agencies.285 followers | Follow
InfoWarrior0
Penetration Tester,BSides Little Rock,Soldier,Outdoors man,The one you want! My tweets are my own and do not reflect the opinion of my employer.276 followers | Follow
PCIS Cyber Alert
PCIS Cyber Alert is a public service that identifies websites that are potentially vulnerable to attack or source of malware. For more information, visit us at266 followers | Follow
David Jacquet
The InfoSec Group is an information security firm located in Maine. We provide security testing, training, forensics and compliance services.243 followers | Follow
infosecexpert
CCSK, CISSP, CISM, CISA, BS7799 LA, CCNA, CCDA, MCSE, CCSA, CCSE, WTF?223 followers | Follow
Bill Toffel
I post mainly on information technology and security related topics, but interested in most things having to do with tech, music, photography, and travel.197 followers | Follow
CounterTack
CounterTack is a provider of in-progress cyber attack intelligence and response solutions.180 followers | Follow
David J. Morse
Passions are computers, music, and helping others. Offering free help in the Anti-Malware Forums117 followers | Follow
MicroSolved, Inc.
Information security: Smarter Security Designed With You In Mind. AppSec, Risk Management, HoneyPoint, PCI DSS.94 followers | Follow
Anthony Arrott
Is your PC having trouble? try http://free.antivirus.com/ --|-- security analytics professional @ Trend Micro56 followers | Follow
Web Addict
Premier Computing Solutions-passionate about web design/development, IT, programming and security...37 followers | Follow
trustedsignal
E-Discovery | Digital Forensics | Incident Response | Malware Analysis26 followers | Follow
Chris Bolton
13 followers | Follow
