Security news that informs and inspires
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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

1130 articles by Dennis Fisher

Trickbot Up to Its Old Tricks

Days after a takedown operation, the Trickbot botnet is back up and running with new C2 servers in Europe and South America.

Botnet, Malware

SonicWall Fixes Critical Flaw in Firewall Appliances

A critical flaw in SonicOS could lead to remote code execution in vulnerable SonicWall firewall appliances.

Vpn

FIN11 Cybercrime Group Uses Ransomware, Extortion to Cash In

The newly identified FIN11 group uses the Clop ransomware and various public malware tools in operations against companies around the world.

Ransomware, Cybercrime

Microsoft Fixes Ping of Death Flaw in Windows

A flaw (CVE-2020-16898) in Windows 10 and Server 2019 can allow remote code execution with one malformed ICMP packet.

Microsoft

Microsoft and Partners Disrupt Trickbot Botnet

Microsoft and several other security companies worked together to disrupt the Trickbot malware network, seizing C2 servers and disabling IP addresses associated with it.

Trickbot, Microsoft, Ransomware