An endpoint alert is only the start of a decision. A laptop may be running legitimate software, or it may be connecting to something it should not. The response team needs enough context to decide whether to contain it.
Endpoint isolation can restrict a device's network communication while preserving a path for investigation, depending on the security tool and its settings. It can reduce further activity from that device, but it does not undo an account compromise or guarantee that other systems are safe.
Know who can act
Define which alerts require immediate review, who can authorize isolation, and how to reach the employee. A device used for a critical clinical or business workflow may need a coordinated response; the risk of leaving it connected still needs to be weighed quickly.
Look beyond one computer
Check the account used, nearby sign-ins, other endpoints, cloud activity, and the possible entry point. Preserve relevant records. If the device is later returned to service, document the reason, the remediation, and the checks that support that decision.
Rehearse before an incident
Confirm that the monitoring team can see the right devices, that isolation settings are understood, and that the business knows whom to call. Softfusion's managed security approach can bring endpoint, cloud, and network signals into one investigation, with containment options based on the chosen package and configuration.
Containment buys time. A prepared response plan tells your team how to use it.
Further reading: CISA StopRansomware Guide and Softfusion Cyber Field Guide.