This diverse group of hackers (black, white, and grey hats), infosec pros, security media, independent researchers, and federal types can also be found (along with a lot of other people) on the Blogs of War Cyberwar list (live tweets). Some of these folks are a bit controversial but they’re all interesting and worth a follow.
AttackResearch – A company devoted to the in-depth understanding of computer based attacks.
BlackHatUSA – The World’s Premier Technical Security Conference.
Bobgourley – A CTO. Also find me @CTOvision and @CTOlist. National Security, Cyber Security and Enterprise IT are key topics of interest.
BreakingPoint – A cybersecurity company, pioneered the Cyber Tomography Machine to measure the performance, stability, and security of network infrastructure.
CiscoSecurity – Security * technology * events * news * humor * Cisco!
Citizenlab – Research and development at the intersection of cyberspace, global security, and human rights; at Munk School of Global Affairs, University of Toronto, Canada.
CyberSecure – DC-based cyber security advocacy and analysis group. Providing the latest news and insightful commentary from around the web.
Cyberwar_geek – IT professional by accident, geek by nature. Grad Student in IA and military buff/asymmetrical warfare hobbyist. Christ Follower.
Danphilpott – Dan Philpott. Federal Cybersecurity, Information Assurance & Cloud policy and practice. Improving the art of state info security through state of the art info security.
IBMFedCyber – Chris Ensey. Principal Security Strategist for IBM Federal.
InfowarMonitor – The Information Warfare Monitor is a joint project of The SecDev Group and the Citizen Lab, an interdisciplinary laboratory based at the University of Toronto.
ISDpodcast – Your daily source of Pwnage, Policy and Politics in the InfoSec community.
Jeffreycarr – author, ‘inside Cyber Warfare’ (O’Reilly Media 2009)
Kaspersky – Leading developer of Internet threat management solutions that protect against all forms of malicious software.
Kevinmitnick – Kevin Mitnick. Computer Security Consultant, Public Speaker.
Kpoulsen – Kevin Poulsen is a senior editor at Wired.com and editor of the award-winning blog Threat Level.
Mikko H. Hypponen – CRO at F-Secure.
Panda_Security – One of the world’s leading creators and developers of technologies, products and services for keeping clients malware free.
Paperghost- Chris Boyd. Threat Researcher, GFI Software (formerly Sunbelt Software). Research includes Ad/Spy/malware, IM, P2P, phishing, console hax & more.
Taosecurity – Richard Bejtlich. Director of Incident Response for General Electric. TaoSecurity blogger. Author. Black Hat instructor.
Th3j35t3r – Hacktivist for good. Obstructing the lines of communication for terrorists, sympathizers, fixers, facilitators, oppressive regimes and other general bad guys.
Thedarktangent – Jeff Moss, also known as The Dark Tangent, is the founder of the Black Hat and DEF CON computer hacker conferences.
WeldPond – Chris Wysopal. Software security dude, former L0pht researcher.
Zecurion – Data Protection Company, Treats Internal Threats: Encrypt. Block. Control.