Prepare the organization as well as the technology
An incident involving a connected service can cross application, network, cloud, and supplier boundaries. Identify owners before disruption occurs. Document the relevant systems, information routes, and administrative dependencies. CISA’s buyer guidance highlights the importance of product security capabilities and evidence available to customers. Those capabilities need a corresponding operating process. A monitoring alert is not a response plan, and a service contract is not proof that every participating team knows what to do.
Agree on authority and communication
Define who can assess impact, authorize containment, contact suppliers, and communicate service status. Procedures must reflect the organization’s actual responsibilities and requirements. Avoid unreviewed changes that could create additional harm while evidence remains incomplete. These are defensive planning recommendations, not a universal incident playbook. Qualified teams should adapt them to the systems and services involved. If a supplier operates part of the environment, establish how access and escalation work when ordinary channels are disrupted.
Preserve evidence proportionately
Know which logs and configuration records are available, how they are protected, and how long they remain usable. Record relevant versions and decisions so investigators can distinguish an unauthorized change from an ordinary failure. Do not collect sensitive workload content indiscriminately. Test the availability of evidence during selected faults. For agent-enabled operations, OWASP’s structured action records can help show tool authorization and outcomes, while still requiring careful interpretation of what each record actually proves.
Exercise recovery and learn from findings
Verify that restoration procedures, credentials, backups, and support contacts are usable in the intended scenario. Review whether shared dependencies undermine the proposed fallback. Capture unresolved assumptions and assign corrective work. New automation or future 6G capabilities should be added to those exercises rather than assumed to simplify them. Incident readiness is the ability to coordinate appropriate decisions and restore dependable operation under pressure, not a claim that the organization can prevent every attack or eliminate every interruption.

