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.

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1154 articles by Dennis Fisher

HHS to Probe Change Healthcare Attack

The Department of Health and Human Services will investigate the ransomware attack on Change Healthcare to see whether any consumer health information was compromised.

Government, Ransomware

Microsoft Says Russian APT29 Accessed Source Code, Other Secrets

The Russian threat group known as Midnight Blizzard and APT29 gained access to some Microsoft source code repositories and other sensitive data, the company said.

Russia, Microsoft

Decipher Podcast: Change Healthcare Attack Fallout

Decipher editors Dennis Fisher and Lindsey O'Donnell-Welch talk about the BlackCat ransomware attack on Change Healthcare that has crippled the company and affected the ability of thousands of health care providers, pharmacies, and hospitals to get paid and submit claims.

Podcast, Ransomware

Memory Safe: Daniel Cuthbert

Daniel Cuthbert, global head of cybersecurity research at Banco Santander, joins Dennis Fisher to talk about getting his first computer, a ZX Spectrum that he still owns(!), finding his way into hacking through IRC, his passion for photography, and his surprising alternate career path.


U.S. Sanctions Makers of Predator Spyware

The Department of the Treasury has sanctioned five entities and two people associated with the sale of the Predator spyware.