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

973 articles by Dennis Fisher

Linux Variant of Cl0p Ransomware Emerges

A Linux version of the Cl0p ransomware has been identified, but it has a flaw in its encryption routine that allowed researchers to build a decryptor for it.

Ransomware, Cl0p

Atlassian Patches Critical Flaw in Jira

Atlassian has fixed a critical authentication bypass flaw in Jira Service Management.

Atlassian, Jira

Decipher Podcast: Michelle Finneran Dennedy

Michelle Finneran Dennedy, co-founder of Privacy Code and co-author of The Privacy Engineer's Manifesto, joins Dennis Fisher to talk about her new startup, her path from studying psychology to becoming the first chief privacy officer at Sun and Cisco, and what everyone gets wrong about privacy.

Podcast, Privacy

The Bigger the Party, the Bigger the Risks

New data compiled by Cyentia Institute and SecurityScorecard shows that 98 percent of organizations have a direct relationship with a company that has been breached recently.

Data Breach, Data Breach

New Flaw in F5 BIG-IP Emerges

A new vulnerability has emerged in the F5 BIG-IP security appliances that can allow an attacker to crash the device.