X-Industry

The Fortinet/FortiMail Workspace Security team recently identified a targeted intrusion campaign impacting multiple Israeli organizations.  The adversary leveraged compromised internal email infrastructure to distribute phishing messages across the regional business landscape.  These emails initiated a multi-stage, PowerShell-based infection chain that culminated in the delivery of a remote access trojan (RAT), executed entirely through PowerShell.

Key characteristics include:

• Full PowerShell-b

On a bi-weekly basis, FortiGuard Labs gathers data on ransomware variants of interest that have been gaining traction within our datasets and the OSINT community. The below report aims to provide readers with brief insights into the evolving ransomware landscape variants.

Big Head Ransomware Overview – Researchers recently came across a new ransomware variant called Big Head, which came out in May 2023.  Although there are at least three variants of Big Head ransomware, all are designed to encry