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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.

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1182 articles by Dennis Fisher

Decipher Podcast: Courtney Nash

Courtney Nash of Verica joins Dennis Fisher to talk about the new Verica Open Incident Database, which centralizes reports of software outages, security incidents, and near misses, and why studying the way systems fail is so valuable.

Podcast

Researcher Discovers Private Keys to Decrypt Rogue Cobalt Strike Beacon Communications

Didier Stevens has discovered several shared keypairs used by rogue Cobalt Strike implementations used by malicious actors.

Ransomware

New TA551 Email Campaign Installs Sliver Red-Team Tool

A new email hijacking campaign by the TA551 attack group is installing the legitimate Sliver red-team tool as a payload, possibly for use in future ransomware operations.

Malware, Ransomware

BlackMatter Ransomware Actors Targeting Critical Infrastructure

The BlackMatter ransomware operators are targeting critical infrastructure operators in the U.S., including food suppliers.

Ransomware, Government

Ransomware Groups Hit Three Wastewater Facilities This Year

Ransomware actors hist three wastewater facilities in the U.S. in the last few months, accessing SCADA devices and disrupting operations, CISA said.

Government, Critical Infrastructure, Ransomware