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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

1180 articles by Dennis Fisher

CISA: North Korea-Backed Actors Using Maui Ransomware

North Korean government-backed actors are using the new Maui ransomware to target health care organizations, CISA says.

Ransomware, North Korea

Decipher Podcast: Joe Grand

Dennis Fisher talks with Joe Grand, renowned hardware hacker and member of the L0pht, about his recent work hacking hardware crypto wallets, hacking culture, and why curiosity matters.

Podcast

To Combat Zero Day Variants, ‘We Need Comprehensive Fixes’

At least half of the zero days exploited in the wild in 2022 are variants of previously fixed bugs, Google data shows.

Google, Zero Day

ZuoRAT Malware Found Hitting Home Routers

A new piece of malware called ZuoRAT, based on the Mirai code, is hitting SOHO routers and performing DNS and HTTP hijacking.

Malware, China

Bringing Ransomware Infrastructure Into the Light

Researchers from Cisco Talos were able to de-anonymize the infrastructure used by several ransomware groups, including Quantum, Snatch, and DarkAngels.

Ransomware