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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

Mapping the Spectral Landscape of IPv6 Networks

Two researchers have developed an open source toolset called ipv666 that helps predict IPv6 addresses and find live hosts.

Ipv6

Decipher Podcast: Mikhail Davidov

Dennis Fisher is joined by Mikhail Davidov of Duo Labs to talk about his detailed research on the Apple T2 security chip.

Podcast, Apple

Software Update Led to Microsoft Azure MFA Outage

A trio of problems caused by a software update in some of Microsoft's data centers led to a service outage for customers of the Microsoft Entra ID MFA service last week.

Mfa, Microsoft

Windows Now Supports Password-Less Authentication With Security Keys

Microsoft customers now have the option of logging in to Windows, on desktop or mobile devices, with a FIDO2-compliant security key--and no password.

Microsoft

U.S. Says Russia, Other Nations, Are Uncooperative on Cybercrime Investigations

A deputy U.S. attorney general said that Russia and other nations stonewall cybercrime investigations and called for international cooperation.

Cybercrime, Privacy