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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

1142 articles by Dennis Fisher

New Initiative Seeks to Bring Collaboration to AI Security

The new AI Safety Initiative from the Cloud Security Alliance involves Amazon, Microsoft, and OpenAI in an effort to build a collaborative framework for AI security.


Apache Fixes Critical Struts Flaw

The Apache Software Foundation has released updates to address a critical file upload vulnerability (CVE-2023-50164) in Struts.


ColdFusion Exploit Used to Access Federal Agency

In two separate intrusions, attackers exploited a ColdFusion vulnerability (CVE-2023-26360) to compromise an unnamed federal government agency.


Russian Group Targeting Exchange Flaw

Fancy Bear, also known as APT28 and Forest Blizzard, has been targeting a Microsoft Exchange flaw (CVE-2023-23397) against targets in Poland.

Russia, Microsoft

U.S. and Allies Sanction Kimsuky Actors

The US and several allies have sanctioned eight North Korean nationals, including alleged members of the Kimsuky APT group.

North Korea