Security news that informs and inspires
scrambled headshot of Dennis Fisher

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

1013 articles by Dennis Fisher

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.


Volt Typhoon Attack Group Targets U.S. Infrastructure

A group known as Volt Typhoon, that is affiliated with the Chinese government, has been attacking critical infrastructure in Guam and elsewhere in the United States.


Lazarus Group Targets IIS Servers

The Lazarus Group has been compromising vulnerable IIS servers in an ongoing campaign.

North Korea