Scattered Spider shifts gears and begins exploiting VMware’s ESXi to deploy ransomware on critical U.S. infrastructure.

Scattered Spider shifts gears and begins exploiting VMware’s ESXi to deploy ransomware on critical U.S. infrastructure.

A highly active and sophisticated cybercriminal collective known as Scattered Spider—also referred to as UNC3944, 0ktapus, Octo Tempest, and Muddled Libra—has escalated its attacks on critical U.S. infrastructure by targeting the VMware ESXi hypervisor, a core component of many enterprise data centers. By deploying ransomware on these systems, the group has successfully disrupted a range of sectors, highlighting the growing risks associated with virtualized environments.