# MSSP Expansion Figures
MS-04
Managed Delivery Lifecycle
The MSSP owns customer delivery while SecEng supplies reusable capability, evidence contracts, and escalation-ready technical outputs.
Governed managed-service lifecycle from customer scope through MSSP delivery, SecEng capability, evidence return, escalation, remediation, and retest.
Managed delivery lifecycle
- 1MSSP scopes the customer engagementThe provider owns customer context, permissions, communication, and delivery plan.
- 2MSSP invokes SecEng capabilityThe provider uses agreed modules, contracts, and deployment controls.
- 3MSSP reviews customer relevanceThe provider applies customer context and decides how results enter the engagement.
- 4Escalate complex technical evidenceSecEng supports engine, evidence, or path questions within the agreed support boundary.
- 5MSSP delivers to the customerThe provider owns presentation, relationship, prioritization, and managed follow-through.
- 6MSSP coordinates remediation and retestLifecycle state returns through the provider into the customer engagement.
Retest loop returns to MSSP invokes SecEng capability