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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

Decipher Podcast: Reddit’s Matt Johansen on Identity Attacks, Enterprise Security, and Burnout

Reddit's head of application security Matt Johansen joins Dennis Fisher to talk about the highlights of Black Hat USA, the challenges of sorting security priorities in a large enterprise, and how he's learned to take care of his mental health after many years in the security industry.

Podcast, Black Hat

SonicWall Fixes Critical Firewall Flaw

SonicWall has patched a critical vulnerability (CVE-2024-40766) in many of its next-gen firewall devices that could lead to unauthorized access.

Sonicwall

Decipher Podcast: Rebekah Brown and John Scott-Railton on COLDRIVER and Russian Cyberespionage

Rebekah Brown and John Scott-Railton of the Citizen Lab join Dennis Fisher to dive into their group's new report on highly targeted spear phishing campaigns by the Russian threat actor COLDRIVER and then discuss the emergence of a new, possibly related group called COLDWASTREL.

Podcast, Russia

Humans Are Bad at Risk Assessment, and Other Stories

Risk management is not one of humanity's strong points, but we can learn some lessons from our own real life experiences to apply to our security careers.

Risk Management

What We Learned at Black Hat 2024

Dennis Fisher and Lindsey O'Donnell-Welch reflect on their week in Las Vegas at Black Hat and discuss the talks they liked, including Moxie Marlinspike's keynote and the Google Project Zero retrospective, and the other topics they found interesting, including vulnerability exploitation versus social engineering and the AI ecosystem.

Video, Black Hat