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

1060 articles by Dennis Fisher

MOVEit Transfer Zero Day Under Attack

A critical zero day flaw in all version of MOVEit Transfer is under active attack by multiple threat actors.

Vulnerability, Zero Day

Qakbot Ducks for Cover With New Tactics

The Qakbot malware operators have shifted tactics again to adapt to changes in defenses.

Malware, Qakbot

New SeroXen RAT Emerges

A new RAT known as SeroXen is for sale on forums and social media platforms and has the ability to evade EDR and delivers a rootkit.


Decipher Podcast: Hazel Burton

Dennis Fisher is joined by Hazel Burton from the Cisco Talos team to talk about the importance of empathy in communications, her non-linear path to infosec, and how her improv comedy training has helped her in her roles.


Barracuda Fixes RCE Flaw in Email Security Gateway

Barracuda has patched a remote code execution vulnerability in its Email Security Gateway appliances.