Security news that informs and inspires
scrambled headshot of Dennis Fisher

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

1175 articles by Dennis Fisher

Audit Uncovers Critical Flaw in iTerm2

A Mozilla-funded security audit of the iTerm2 terminal emulator for macOS found a critical remote-code execution bug.

Vulnerability

Microsoft Identifies Targeted Attacks on Presidential Campaign, Government Officials

An attack group known as Phosphorus that is linked to the Iranian government has targeted email accounts of U.S. government officials and people associated with a presidential campaign.

Malware, Government

Urgent/11 Flaws Now Affect Broader Range of Medical, Network Devices

The Urgent/11 vulnerabilities in the IPnet stack affect a much broader range of devices than originally thought.

Iot Security

Serious New Bug Emerges in Exim

A newly discovered buffer overflow in the Exim mail server can be used to cause a denial-of-service and possibly remote code execution.

Vulnerability

Senate Bill Creates DHS Threat Hunting Teams

The Senate has passed a measure that creates threat hunting and response teams to help government agencies and enterprises respond to major cybersecurity incidents.

Government, Ransomware