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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

1083 articles by Dennis Fisher

Decipher Podcast: Craig Williams

Dennis Fisher talks with Craig Williams of Cisco Talos about the Sea Turtle DNS-hijacking campaigns.


Sea Turtle Attackers Play Shell Game With DNS

A group of attackers has been running a DNS hijacking campaign known as Sea Turtle that targets energy, intelligence, and military organizations.

Dns Security

Google Adds Better Transport Security for Gmail

Google has turned on support for the MTA-STS security standard in Gmail, providing better transport security for domain owners.

Google, Gmail Security

Mirai Malware Expands Reach to New Processors

Researchers have uncovered a new version of the Mirai malware that targets several different processor architectures, including OpenRISC.


Amazon Increases Security For CloudFront Domains

Amazon CloudFront now requires domain owners to have an SSL certificate for alternate domain names to help prove ownership.