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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

872 articles by Dennis Fisher

North Korean Attackers Use Malicious Browser Extension to Steal Email

The Kimsuky threat group based in North Korea is using a malicious browser extension to steal email from active user sessions in Chrome and Edge.

North Korea

Experts Urge Congress to Pressure Commercial Spyware Vendors

Researchers from Google and Citizen Lab urged Congress to use intelligence agencies, diplomatic, and economic means to pressure commercial spyware vendors such as NSO Group.

Spyware, Government

New CosmicStrand UEFI Rootkit Variant Found

Kaspersky researchers have found a new UEFI rootkit called CosmicStrand that infects the firmware of some specific motherboards.

Malware, China

New Retbleed Speculative Execution Flaw Emerges

A new speculative execution flaw called Retbleed affects many AMD and Intel chips running any modern operating system.

Hardware Security, Intel, Spectre

Microsoft Exposes Phishing Campaign That Stole Session Cookies to Bypass MFA

Microsoft has identified a long, widespread phishing campaign that stole session cookies to bypass MFA and led to BEC and payment fraud.

Phishing, Microsoft