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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

813 articles by Dennis Fisher

Decipher Podcast: Don Smith

Don Smith of the Secureworks CTU joins Dennis Fisher to discuss the effects of the Conti leaks, the ransomware landscape, and how law enforcement and researchers are countering attackers' ploys.

Podcast, Ransomwa

Microsoft Uncovers ‘Nimbuspwn’ Flaws in Linux Service

Microsoft researchers found a group of vulnerabilities dubbed Nimbuspwn in a Linux service named networkd-dispatcher that can lead to root privileges.

Linux, Microsoft

Okta Ends Investigation Into Lapsus$ Breach

Identity provider Okta has finished the investigation into a January breach by hacking group Lapsus$ at one of its third-party providers and says it affected far fewer customers than initially feared.


Java Crypto Bug Allows Forging of Signatures, Certificates

A critical bug in Java's implementation of ECDSA (CVE-2022-21449) can allow an attacker to forge a signature or certificate to deliver virtually any payload.

Java, Oracle

CISA: Lazarus APT Targeting Blockchain Orgs With TraderTraitor Malware

The Lazarus APT group is targeting cryptocurrency and blockchain organizations with malware called TraderTraitor, warns the U.S. government.