Introduction Outbound SSH can be a serious blind spot. Attackers can use SSH tunnels to bypass firewalls, EDR, and even AppLocker — proxying malicious activity without running tools directly on the host. This enables lateral movement and internal compromise. To mitigate this, I block outbound SSH connections and enforce application control on SSH binaries using Microsoft Intune, combining Windows Firewall and AppLocker for layered protection. Why Outbound SSH is Dangerous SSH is often seen ...
