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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

440 articles by Dennis Fisher

NSA Warns Russian Attackers are Exploiting Old Exim Flaw

The Sandworm team, associated with the Russian GRU, is exploiting a flaw in the Exim mail transfer agent, the NSA warned in a new advisory.

Vulnerability, Government

Decipher Podcast: Alex Pinto

Alex Pinto from Verizon Enterprise joins Dennis Fisher to discuss the findings of the 2020 Data Breach Investigations Report.

Podcast

OpenSSH Will Deprecate SHA-1

OpenSSH will soon deprecate the use of SHA-1 because of the risk of specific attacks against the algorithm.

Ssh, Cryptography

Stolen Credentials Behind Supercomputing Attacks

Compromised credentials and empty SSH passphrases led to the string of attacks on academic supercomputing sites in recent weeks.

Supercomputers

Hacker Allegedly Connected to Collection 1 Credential Dump Arrested

Authorities in Ukraine arrested a suspect they say is Sanix, a hacker connected to the sale of the huge Collection 1 credential database.

Cybercrime