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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

Prestige Ransomware Hits Targets in Ukraine and Poland

A new ransomware called Prestige has hit organizations in Poland and Ukraine using a variety of deployment methods.

Russia, Ukraine

Attackers Exploiting Critical Fortinet Authentication Bypass

Mass exploitation of a new Fortinet authentication bypass flaw (CVE-2022-40684) is ongoing and proof of concept exploits are available.

Vulnerability, Fortinet

Google Rolls Out Support for Passkeys in Android and Chrome

Google is rolling out support for passkeys in Android and Chrome in a significant step toward passwordless authentication.

Passwords, Google

New Alchimist C2 Framework Emerges

Researchers at Cisco Talos have uncovered a new all-in-one C2 framework called Alchimist that has implants called Insekt for Windows and Linux.

Malware

Hardcoded Private Key Leads to Full Control of Some Siemens PLCs

A newly discovered flaw (CVE-2022-38465) in some Siemens S7 PLCs can allow an attacker to extract the hardcoded private key of the controller and gain complete control.

ICS, Siemens