Glossary
MSSP
MSSPs are outsourced security departments. They monitor your firewalls, run your security tools, and alert you to problems. Good for companies that can't build their own security team.
What is MSSP?
Managed Security Service Provider - a third-party company that provides outsourced monitoring and management of security systems.
Why Should You Care?
MSSPs reduce the operational burden and cost of maintaining a 24/7 security team—a task many mid-market companies can't afford in-house. When a breach or anomaly is detected by an MSSP, response time depends entirely on the provider's SLA and expertise; choosing the wrong MSSP can mean delayed detection and extended dwell time for attackers. For regulated industries like healthcare and finance, MSSPs also help organizations maintain compliance frameworks by providing audit trails and monitoring evidence that regulators expect.
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Real-World Example
A mid-sized financial services company without dedicated security staff contracts an MSSP to monitor their network traffic, logs, and endpoint activity 24/7. When an employee clicks a phishing link and a threat actor begins lateral movement, the MSSP detects unusual login patterns and pages the on-call incident response team. The company's own staff can then focus on containment while the MSSP provides real-time threat hunting—a response that would have taken far longer if the company relied only on periodic internal scans.
How to Protect Against MSSP
- 1.
Evaluate MSSP if lacking security expertise
- 2.
Review SLAs and response times carefully
Related Terms
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