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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

814 articles by Dennis Fisher

Cisco Patches Serious Flaw in IOS

Cisco has patched a flaw in IOS XR that can allow an attacker to write arbitrary files to the Redis instance.


QNAP Warns of Deadbolt Ransomware Targeting NAS Devices

QNAP is urging customers to remove NAS devices from the Internet amid a new wave of Deadbolt ransomware intrusions.


NVIDIA Fixes Serious Flaws in GPU Driver

NVIDIA has released an update to fix a number of serious code-execution flaws in its GPU display driver that could be used to perform guest-to-host escapes.


Researchers Demo Relay Attack Against Bluetooth LE Systems

NCC Group researchers have shown a novel relay attack against Bluetooth Low Energy proximity authentication systems.

Bluetooth Security

Trio of Serious Bugs Fixed in SonicWall SSL VPNs

Three serious flaws, including an authentication bypass, a shared hard-coded encryption key, and an open redirect, have been patched in the SonicWall SMA 1000 SSL VPNs.

Vulnerabilities, Sonicwall