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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

1062 articles by Dennis Fisher

New Variant of Rustbucket macOS Malware Found

A new, previously undetected, version of the Rustbucket macOS malware has been discovered in an intrusion by a known North Korean APT group.

North Korea, Cryptocurrency

OpenTitan Chips Are on the Horizon

The OpenTitan project, backed by Google, is nearing the release of its first secure root-of-trust chips.

Hardware, Google

8Base Are Belong to Who?

A somewhat quiet ransomware group known as 8Base has increased its activity in the last month and has researchers wondering who is behind the scenes.


Apple Patches Zero Days Used in Targeted iOS Attacks

Apple has released new versions of iOS to patch three zero days that have been exploited in targeted attacks.


Decipher Podcast: Matt Johansen

Matt Johansen joins Dennis Fisher to discuss his path from infosec n00b to senior security roles at White Hat, Bank of America, Reddit and his new newsletter and podcast venture Vulnerable U.