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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

285 articles by Dennis Fisher

iMessage Flaw Can Brick iPhones

A bug in iOS can allow an attacker to brick an iPhone by sending one malicious iMessage.

Ios, Apple

US Cyber Command Warns of Targeted Attacks On Old Outlook Flaw

Attackers are exploiting a Microsoft Outlook flaw from 2017 in targeted attacks.

Malware

Researchers Uncover Long-Term Facebook Malware Campaign

A malware campaign that used dozens of fake Facebook profiles and target Libyans has been uncovered and dismantled.

Facebook

OpenPGP Certificate Attack Worries Experts

A certificate flooding attack on OpenPGP keyservers is causing problems and raising questions about the system's resilience.

Encryption

Return of the Mack: Exploit Kits Back on the Scene

Recent campaigns using the GreenFlash Sundown and Spelevo exploit kits have served as reminders that these kits are still active and dangerous, despite a dip in usage recently.

Exploit Kits