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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

1062 articles by Dennis Fisher

New MOVEit Transfer Zero Day Emerges

A new vulnerability (CVE-2023-35708) in MOVEit Transfer has been disclosed and Progress Software is urging customers to update immediately to prevent exploits.


CISA: LockBit Most Active Ransomware Group

The LockBit ransomware group was the most active in the world last year, according to a new advisory, and has collected nearly $100 million in ransoms in three years.

Ransomware, Cisa

Cyberespionage Group Targets New VMware Zero Day

A Chinese cyberespionage group known as UNC3886 has been exploiting a new zero day (CVE-2023-20867) in VMware Tools.


Fortinet Patches New Critical FortiOS Bug

Fortinet has released new firmware updates to patch a remote code execution vulnerability (CVE-2023-27997) that affects all versions of the FortiGate appliance.


New BEC Campaign Targets Financial Companies

A newly identified phishing and BEC campaign is targeting banks and financial organizations and began with the compromise of a trusted vendor.

Bec, Phishing