That’s the weakness of relying on a bastion host—one gateway, one choke point, one target. Once breached, the blast radius isn’t contained. Security collapses fast when you bet everything on a single access path.
Bastion hosts were built for a time when networks were flat, users were few, and trust was implicit. Today’s infrastructure is sprawling, dynamic, and under constant attack. Every new connection is a possible breach. Every unsegmented environment is an open corridor to critical data.
Micro-segmentation rewrites that equation. Instead of walling off the castle, it breaks the network into tight, isolated zones. Each workload gets its own security boundary. Lateral movement is cut off at the root. Attackers can’t pivot. Breaches stay small. Containment is automatic.
A bastion host alternative that uses micro-segmentation doesn’t just control entry points—it limits the damage even if those entry points fail. Policies can be enforced at the workload level. Access can be scoped down to single processes. No broad trust. No blind network access.