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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

317 articles by Dennis Fisher

Serious New Bug Emerges in Exim

A newly discovered buffer overflow in the Exim mail server can be used to cause a denial-of-service and possibly remote code execution.

Vulnerability

Senate Bill Creates DHS Threat Hunting Teams

The Senate has passed a measure that creates threat hunting and response teams to help government agencies and enterprises respond to major cybersecurity incidents.

Government, Ransomware

New Tortoiseshell Campaign Targets Veterans

A fake hiring site for veterans is the latest tool deployed by the Tortoiseshell attack group.

Malware

Microsoft Issues Emergency Fix for Critical IE Flaw

Microsoft has pushed out an emergency patch for a critical remote code execution bug in Internet Explorer that has been exploited.

Microsoft

Cloudflare Fights Bots With Tech, Trees

Cloudflare's new "bot fight mode" protects enterprises against malicious bots with tar-pit techniques and the company pledges to plant trees to offset the carbon costs.

Botnet