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

1130 articles by Dennis Fisher

Decipher Podcast: Katie Moussouris

Katie Moussouris of Luta Security speaks with Dennis Fisher about the security industry's constant cycle of mistakes and the hidden perils of bug bounty programs.

Podcast

Microsoft Open Sources SEAL Homomorphic Encryption Library

Microsoft has made its SEAL homomorphic encryption library open source, a part of an effort to help standardize the encryption scheme.

Encryption

500 Million Affected in Marriott Data Breach

Attackers had access to a portion of the Starwood network for four years, resulting in a data breach at parent company Marriott that affects as many as 500 million people.

Data Breaches

Mapping the Spectral Landscape of IPv6 Networks

Two researchers have developed an open source toolset called ipv666 that helps predict IPv6 addresses and find live hosts.

Ipv6

Decipher Podcast: Mikhail Davidov

Dennis Fisher is joined by Mikhail Davidov of Duo Labs to talk about his detailed research on the Apple T2 security chip.

Podcast, Apple