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Dennis Fisher

Editor in Chief

Dennis Fisher is an award-winning journalist who has been covering information security and privacy since 2000.

He is one of the co-founders of Threatpost and previously wrote for TechTarget and eWeek, when magazines were still a thing that existed. Dennis enjoys finding the stories behind the headlines and digging into the motivations and thinking of both defenders and attackers. His work has appeared in The Boston Globe, The Improper Bostonian, Harvard Business School’s Working Knowledge, and most of his kids’ English papers.

Featured Articles

457 articles by Dennis Fisher

Attacks Knock Supercomputing Sites Offline

A series of possibly related incidents has forced supercomputing site ARCHER in the UK and several others in Germany offline in the past few days.

Critical Infrastructure Security

Stuxnet’s Legacy Lives on in New Windows Bug

A vulnerability in the Windows print spooler service patched this week echoes a similar one exploited by the Stuxnet worm 10 years ago.

Microsoft

US Exposes New North Korean Malware Tools

The U.S. government has published details of three new malware tools it says are in use by North Korean state-sponsored attackers.

Malware

Thunderspy Attack Underscores Existing Thunderbolt Security Issues

The new Thunderspy attack highlights a handful of shortcomings in the security model of the Thunderbolt chip used in many PCs.

Hardware Security

Cisco Fixes Kerberos Authentication Bypass Bug in ASA Software

Cisco has patched a dangerous flaw in its Adaptive Security Appliance Software that could allow an attacker to bypass authentication when Kerberos is enabled.

Vulnerability