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

1128 articles by Dennis Fisher

3 Things We Still Don’t Know About the XZ Backdoor

The XZ Utils backdoor was a very subtle operation that took several years to pull off, and while some of the technical details are known, there is plenty we still don't know. Dennis Fisher and Lindsey O'Donnell-Welch talk about the unknowns and what if anything could have been done to prevent this from happening.

Open Source Security, XZ Backdoor

Ivanti Patches New Flaws as Exploits Continue Against Older Ones

Ivanti has released patches for four new vulnerabilities in its Connect Secure and Policy Secure appliances, as Mandiant said it has seen eight separate groups exploiting some older flaws in those devices.

China, Ivanti

Decipher Podcast: Rick Gordon

Rick Gordon of Tidal Cyber joins Dennis Fisher to discuss his path from the US Naval Academy to submarine officer to Wall Street and finally to the cybersecurity industry, where he's worked for the last 25 years. Dennis and Rick also talk about the importance of the community aspect of cybersecurity and why it's vital to the collective defense.

Podcast

CSRB: Microsoft Should Refocus on Security After Cloud Intrusion

The Cyber Safety Review Board cited a string of internal failures in Microsoft's security culture as contributing factors for the 2023 compromise of more than 20 customers' cloud email inboxes by a Chinese threat group.

Microsoft, China

Decipher Podcast: Dan Lorenc Returns

Dan Lorenc, co-founder and CEO of Chainguard, joins Dennis Fisher to dig into the recent XZ Utils backdoor incident, the implications for the open source ecosystem, and what can be done to avoid similar incidents in the future. Then they discuss the problems facing NIST's National Vulnerability Database and the CVE ecosystem.

Podcast