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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

1130 articles by Dennis Fisher

Decipher Podcast: LockBit Takedown

Dennis Fisher and Lindsey O'Donnell-Welch discuss the disruption of the LockBit ransomware operation by the FBI, Europol, and UK authorities, what it means for victims, and how it fits into the government's larger strategy to target cybercrime groups.

Podcast

The Creeping Threat of Security Debt

A new study shows that more than 70 percent of organizations have applications with vulnerabilities that are more than a year old, and nearly 50 percent have critical bugs that old.

Software Security

QNAP Fixes Pair of Command Injection Flaws

QNAP has patched two command injection flaws in several versions of its QTS and QuTS hero firmware.

Storage

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