Buyer Guide
MSP vs. MSSP: What Changes When Security Becomes the Job
A traditional MSP keeps systems running. An MSSP is responsible for security monitoring, response, evidence, and escalation when the risk is bigger than routine support.
The difference is ownership
Most MSPs are built around help desk, device management, backups, and vendor coordination. Those things still matter, but they do not automatically create a security operating model. An MSSP adds monitoring, triage, incident response, evidence retention, and controls mapped to real risk.
- MSP: keeps endpoints, users, and systems working.
- MSSP: watches for security events and acts on them.
- Co-managed model: keeps your internal IT team in control while adding security depth.
When co-managed security is the right fit
Internal IT teams usually know the business better than an outside vendor ever will. The gap is time, coverage, and specialized response. Co-managed security works when your team can handle operations but needs help with 24/7 monitoring, SIEM tuning, vulnerability management, compliance evidence, and incident escalation.
Questions to ask before choosing
Ask who answers alerts after hours, who decides severity, how evidence is preserved, how incidents are communicated, and what happens when a finding requires infrastructure change. If the answer is vague before the contract is signed, it will be vague during an incident.
Common Questions
Can an MSP also be an MSSP?
Yes, but only if the security function is real: monitoring, escalation, incident response, vulnerability management, and documented controls. A tool reseller with alert emails is not the same thing as managed security.
Does co-managed security replace internal IT?
No. It gives internal IT more coverage and security depth while preserving their knowledge of users, systems, and business priorities.
Want a second set of eyes?
Rudio can review your environment, current controls, and buyer requirements with you. You will leave with a clearer next step, not a generic tool pitch.