MSSP
Managed Security Service ProviderDefinition
A Managed Security Service Provider is a third-party company that provides outsourced monitoring and management of security devices and systems, including managed firewalls, intrusion detection, VPN, vulnerability scanning, and SOC services.
Buyer context
MSSP is a broad label. Some MSSPs mainly manage security tools and forward alerts; others include SOC analysts, MDR-style investigation, compliance reporting, or incident response support. Buyers should check the exact operating model instead of assuming every MSSP owns detection and response work.