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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

New ToddyCat APT Targets Exchange Servers

An APT group dubbed ToddyCat has emerged to target Exchange servers in organizations across Asia and Europe.

Apt

CISA Releases New Proposed Cloud Security Guidance

CISA is asking for public comment on a new set of cloud security guidance for federal agencies.

Government, Cloud Security

Ransomware Actors Leaning on DNS Tunneling

Ransomware groups are using DNS tunneling more and more as a way to exfiltrate data and send commands to infected machines.

DNS, Ransomware

Hydra Market Takedown Has Had Lasting Effects

The takedown of the infamous Hydra market has had lasting effects on the cybercrime underground and cryptocurrency laundering ecosystem.

Rsa2022, Cryptocurrency

Russian Government, Cybercriminal Cooperation a ‘Force Multiplier’

The Russian government's tolerance and sometime cooperation with the cybercriime groups in the country makes the threat from both factions even more serious, US officials say.

Russia, Rsa2022