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.

Featured Articles

945 articles by Dennis Fisher

OpenSSL 3.0.7 Fixes Two Buffer Overflows

OpenSSL 3.0.7 fixes two high-risk buffer overflows in Punycode decoding (CVE-2022-3786 and CVE-2022-3602), one of which can lead to remote code execution.


OpenSSL to Fix Critical Flaw

OpenSSL will patch a critical security flaw in version 3.0.x on Nov.1, though details of the bug are still private.


Decipher Podcast: Kelley Misata

Kelley Misata, senior director of open source of open source at Corelight and CEO of Sightline Security, joins Dennis Fisher to talk about her road to get into security, the importance of protecting at-risk populations, and the challenges of building community in the open source world.

Podcast, Open Source Security

Microsoft Adds New Features to Authenticator to Prevent MFA Fatigue Attacks

Microsoft is adding number matching and geographic and app context to Authenticator to defend against MFA fatigue attacks.

Mfa, Microsoft

Apple Fixes Zero Day in iOS 16.1

Apple has fixed a kernel zero day in iOS 16.1, along with a huge number of vulnerabilities in macOS Ventura.