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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

715 articles by Dennis Fisher

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

Multiple Flaws in Realtek SDK Affect Wide Range of IoT Devices

Several vulnerabilities in the Realtek SDK expose millions of IoT devices to remote code execution.

Iot Security

Vice Society Ransomware Actors Target PrintNightmare

A newer ransomware group known as Vice Society is targeting the PrintNightmare vulnerabilities in some of its intrusions now.

Ransomware, Microsoft, Printnightmare

New TA505 Campaign Uses Signed Files to Drop ServHelper Malware

TA505, a well-known cybercrime group, is using signed MSI files and other techniques to install the ServHelper RAT on victims' systems.

Ransomware, Malware

Attackers Scanning for Exchange Servers Vulnerable to ProxyShell

Details of the ProxyShell Exchange server flaws are now public and attackers have begun scanning the Internet for vulnerable servers.

Microsoft