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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

875 articles by Dennis Fisher

Attackers Exploiting Two Microsoft Exchange Zero Days

Attackers are exploiting two new Microsoft Exchange zero days ( CVE-2022-41040 and CVE-2022-41082) in the wild. Microsoft is working on a patch.

Microsoft, Zero Day

Lazarus Group Affiliate Uses Trojanized Open Source Apps in New Campaigns

Zinc, a Lazarus group offshoot, is using trojanized versions of open source apps such as KiTTY and PuTTY in a new phishing campaign.

North Korea, Microsoft

New Chaos Malware Targets Windows and Linux Devices

A new piece of malware known as Chaos that is built for Windows and Linux systems is infecting home routers, enterprise servers, and other devices and launching DDoS attacks.

Malware, Botnet, China

Node.js Update Fixes High Severity Flaws

An update for the Node.js framework includes fixes for DNS rebinding and HTTP smuggling vulnerabilities.

Vulnerabilities, Javascript

The NSA is Here to Help

The NSA's new Cybersecurity Collaboration Center is the centerpiece of an effort to provide more information and context for private sector defenders.

Nsa