// #containment

Gentlemen Ransomware Worm: Using Network Segmentation to Contain Propagation Before Detection

The confirmed worm capability in the Gentlemen ransomware payload — propagating via SMB exploitation and credential reuse — changes the containment calculus for enterprise incident response. Effective network segmentation stops worm propagation at VLAN boundaries. This guide maps the segmentation controls that constrain Gentlemen's lateral movement.