https://microsegment.io/tags/aws/ Recent content in Aws on microsegment.io Hugo en-us Tue, 20 Oct 2026 00:00:00 +0000 https://microsegment.io/post/2026-10-20-quarantine-must-stop-existing-connections/ Tue, 20 Oct 2026 00:00:00 +0000 https://microsegment.io/post/2026-10-20-quarantine-must-stop-existing-connections/ <p>The incident responder clicks quarantine. A fresh connection test fails. The ticket says contained.</p> <p>What happened to the connection that was already open?</p> <p>That is the next test I would add to a microsegmentation response exercise. Not another port scan. A live, harmless application exchange that starts before isolation and is observed throughout the change.</p> <p>In <a href="https://microsegment.io/post/2026-10-06-mtls-is-not-a-containment-policy/">the earlier mTLS article</a>, I touched on existing sessions. They deserve their own runbook. A policy change and a session termination are different events.</p>