Inside Tycoon2FA: How a leading AiTM phishing kit operated at scale

In this article 1. Operational overview of Tycoon2FA 2. Mitigation and protection guidance 3. Microsoft Defender detections Following its emergence in August 2023, Tycoon2FA rapidly became one of the most widespread phishing-as-a-service PhaaS platforms, enabling campaigns responsible for tens of...

Chain Reaction: Attack Campaign Activity in the Aftermath of React Server Components Vulnerability

Introduction and Vulnerability Overview Earlier this month, Imperva published an initial advisory outlining how our customers were protected against the newly disclosed React2Shell vulnerability impacting React Server Components RSC. That post focused on the essentials: a critical flaw arising fr...

Threat Spotlight: Valak Slithers Its Way Into Manufacturing and Transportation Networks

By Nick Biasini, Edmund Brumaghin and Mariano Graziano. Threat summary Attackers are actively distributing the Valak malware family around the globe, with enterprises, in particular, being targeted.These campaigns make use of existing email threads from compromised accounts to greatly increase...