Security news that informs and inspires
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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

1182 articles by Dennis Fisher

Slack Reset Some Users’ Passwords Due to Bug in Invite Links

Slack has automatically reset the passwords of a small number of users after discovering a bug in invitation links that sent hashed passwords to other users.

Slack

F5 Patches Serious Flaws in BIG-IP

F5 has patched more than 20 vulnerabilities in BIG-IP, including one that an attacker could use to take complete control of a target appliance.

F5

Firefox 103 Fixes Serious Memory Safety Flaws

Firefox 103 fixes a number of security vulnerabilities, including several memory safety flaws.

Mozilla, Firefox

Samba Fixes Serious Password-Reset Flaws

Samba has fixed several bugs, including two serious password-reset flaws, one of which could allow a user to take complete control of the domain.

Samba

Decipher Podcast: Sean Zadig

Sean Zadig, CISO of Yahoo and head of the Paranoids, talks with Dennis Fisher about his start in the security field, protecting a massive user base, and thinking about security critically.

Podcast