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

694 articles by Dennis Fisher

New Tools Target Pulse Connect Secure Flaws

CISA has released analyses of five new pieces of malware being used in attacks against known bugs in Pulse Connect Secure appliances.

Vpn, Cisa

ProxyShell Attacks Escalate

Attackers are stepping up their scanning for Exchange servers vulnerable to the ProxyShell vulnerabilities and installing webshells, ransomware, and other malware.

Microsoft Security, Proxyshell

Decipher Podcast: Jonathan Mayer

Jonathan Mayer, assistant professor of computer science at Princeton University, joins Dennis Fisher to discuss the technical and legal challenges of Apple's announced CSAM scanning system.


Critical Bug in Kalay IoT Protocol Threatens Millions of Devices

A critical flaw in the ThroughTek Kalay Io platform could allow an attacker complete access to IP cameras, DVRs, and other devices.

Iot Security

GitHub Drops Passwords in Favor of 2FA

GitHub has eliminated support for passwords for Git operations and now requires the use of a hardware security key or other strong 2FA option.

Supply Chain, Github