Security news that informs and inspires
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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

1080 articles by Dennis Fisher

New AI Guidelines Focus on Safety and Security of Models, Data

New AI guidelines authored by CISA and the UK's NCSC stress the importance of secure design, development, deployment, and operation of AI models and tools.

Ai, Government

Decipher Podcast: What We’re Thankful For

Dennis Fisher and Lindsey O'Donnell-Welch talk about some of things in the security community they're thankful for, and a couple of things they're not.


Four Threat Groups Targeted Zimbra Collaboration Flaw

Google's Threat Analysis Group has identified four separate campaigns targeting the Zimbra Collaboration vulnerability (CVE-2023-37580) in recent months.

Zimbra, Google

EU Parliament Committee Rejects Mass Scanning of Encrypted Messages

A key European Union Parliament committee has rejected proposed language that would allow for mass scanning of encrypted messages.

Encryption, Government

Microsoft Patches Three Zero Days in November Update

Microsoft released patches for 57 vulnerabilities in November's Patch Tuesday update, including three flaws that have been actively exploited.