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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

1182 articles by Dennis Fisher

Play Ransomware Group Using New ProxyNotShell Exploit

Play ransomware actors have been using a previously undocumented exploitation method for the ProxyNotShell Exchange flaws.

Ransomware, Microsoft

Q&A: Andy Greenberg

Andy Greenberg, author and journalist at Wired, recently joined Dennis Fisher on the Decipher podcast to discuss his new book Tracers in the Dark: The Global Hunt for the Crime Lords of Cryptocurrency, which tells the stories of the people who hunted the operators of several major dark web markets.

Cryptocurrency

Ukrainian Organizations Hit With New Supply Chain Attack

Mandiant researchers recently discovered a new software supply chain attack that targeted Ukrainian government agencies with trojanized Windows installers.

Russia, Ukraine

Microsoft-Signed Malicious Driver Used in Pre-Ransomware Intrusions

Researchers have found a malicious driver signed by Microsoft used in the lead up to Hive and Cuba ransomware deployments.

Ransomware, Microsoft

Decipher Podcast: Andy Greenberg on Tracers in the Dark

Wired journalist and author Andy Greenberg joins Dennis Fisher to discuss his new book Tracers in the Dark: The Global Hunt for the Crime Lords of Cryptocurrency, which tells the stories of the agents, academics, and security experts who tracked the admins of the Silk Road, AlphaBay, and other darknet markets through specialized blockchain tracing techniques.

Podcast