Security news that informs and inspires
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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

619 articles by Dennis Fisher

FBI Uses Warrant to Remove Webshells From Compromised Exchange Servers

The FBI issued remote commands to compromised Exchange servers to remove webshells with the authority of a court order.

Government, Microsoft

Decipher Podcast: Patrick Wardle Returns

Mac security researcher Patrick Wardle joins Dennis Fisher to talk about the evolution of Mac malware, the relative security of macOS to other platforms, and Apple's current approach to platform safety.


Biden to Nominate Former NSA Official Easterly to Head CISA

President Biden plans to nominate Jen Easterly, a former Army officer and NSA official, to head the Cybersecurity and Infrastructure Security Agency.

Government, Cisa

IcedID Trojan Finding New Ways to Slip Past Defenses

The IcedID trojan is taking up come of the slack left behind when the Emotet botnet was taken down, with new evasion and infection flows.


Decipher Podcast: Charles Shirer

Charles Shirer, a red teamer, hacker, and FreeBSD enthusiast, joins Dennis Fisher to talk about his path to working in security, learning to hack, and his motivational videos.