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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

1182 articles by Dennis Fisher

Fortinet Warns of Zero Day in FortiOS

Fortinet is urging customers to patch an actively exploited flaw (CVE-2024-21762) in many versions of its FortiOS software.

Fortinet

Q&A: Gary McGraw

Software security pioneer and AI expert Gary McGraw talks to Dennis Fisher about the risks of black box LLMs in AI and the need for regulation.

AI

Experts Urge Tighter Focus on Critical Infrastructure Security

ICS and operational technology experts told Congress Tuesday that adversaries' focus on critical infrastructure attacks requires a better focus on the security of these networks by defenders and regulators.

ICS, Government

Decipher Podcast: Gary McGraw on AI Security

Software security and AI security expert Gary McGraw joins Dennis Fisher to discuss the findings of a new AI architectural risk analysis research paper that his Berryville Institute of Machine Learning did on LLMs, the risks of black box models, and what kind of regulation would be most effective at reducing those risks.

Podcast, AI

U.S. Leaders Warn of Chinese Attacks on Critical Infrastructure

The Department of Justice has disrupted an attack campaign by Chinese state-sponsored attackers on U.S. critical infrastrucutre and says that country's targeting of civilian resources is a "low blow".

Government, China