Managed Security Service Provider (MSSP)
Definition
A third-party organisation that delivers security monitoring, tooling, and analyst coverage as a contracted service. Used in fully outsourced and co-managed SOC arrangements.
Related terms
- Escalation Path
- The predefined chain of notification and decision-making authority that an incident follows as its severity increases. Documented in the IR plan before...
- Playbook
- A documented step-by-step procedure for responding to a specific type of security event. Playbooks standardise analyst behaviour, reduce response time, and ensure...
- Security Operations Centre (SOC)
- The dedicated team and technology platform responsible for continuous monitoring, detection, analysis, and coordinated response to security events. May be in-house, co-managed,...
- SIEM (Security Information and Event Management)
- A platform that aggregates log and event data from systems, networks, and applications across an environment, correlates events against detection rules, generates...
- Threat hunting
- A proactive, human-led process that searches for evidence of adversary activity in an environment under the assumption that automated controls have been...
Explained in
- SOC Structure and the Tier ModelA third-party organisation that delivers security monitoring, tooling, and analyst coverage as a contracted service. Used in fully outsourced and co-managed SO...