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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

Raccoon Attack Can Compromise Some TLS Connections

A new technique called the Raccoon attack can break the confidentiality of some TLS connections under certain circumstances.

Encryption, Vulnerability

Attacks Target Critical Flaw in WordPress File Manager Plugin

Attackers are actively exploiting a critical bug in the File Manager WordPress plugin.

Vulnerability, Wordpress

CISA Issues Final Order on Federal Vulnerability Disclosure, But Questions Remain

Federal agencies must publish a vulnerability disclosure policy by March 1, per a new CISA directive, but there is no provision for maturity assessments or resources to build a bug handling process.

Government, Bug Bounty

Notarized Malware Slips Into Mac App Store

A piece of malware made its way into the macOS app store after being accidentally notarized by Apple, allowing it to run on victims' Macs.

Apple, Malware

Cisco Warns of Exploits Against IOS XR Flaws

Attackers are actively trying to exploit a memory exhaustion vulnerability (CVE-2020-3566) in Cisco's IOS XR royter software.

Vulnerability