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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

758 articles by Dennis Fisher

Concerns Grow Over Potential New Russian Cyberattacks

The Russian incursion into Ukraine is prompting warnings from the DHS and security researchers about the potential for Russian cyberattacks on U.S. companies.

Russia, Malware

Flaw in Rust Could Lead to File, Directory Deletion

A bug in many version of the Rust programming language could allow an attacker to trick a program into deleting files and directories.

Vulnerabilities, Rust

Failed Attacks Target SolarWinds Serv-U Bug in Log4Shell Campaigns

Microsoft researchers observed attackers exploiting the Log4Shell bug in the SolarWinds Serv-U software.


Decipher Podcast: Robert Hansen Returns

Robert Hansen (aka RSnake) joins Dennis Fisher to talk about his new research on NaN injection in Python and the issues with the software supply chain.


Russia Arrests Alleged REvil Ransomware Members at U.S. Urging

The Russian FSB has arrested 14 alleged members of the REvil ransomware group after U.S. officials urged the country to move against the group.

Ransomware, Governance