MSP vs MSSP: What's the Difference and Which One You Need

An MSP (managed service provider) runs and maintains your day-to-day IT — networks, devices, helpdesk, and infrastructure. An MSSP (managed security services provider) focuses specifically on cybersecurity — monitoring threats, detecting attacks, and managing security tools. In short: an MSP keeps IT working; an MSSP keeps it protected.

The two roles overlap, and many businesses end up needing both. This guide breaks down what each provider does, where they differ, and how to decide which one fits your organization.

What is an MSP?

A managed service provider (MSP) is an outsourced IT department. Instead of hiring and managing internal technicians, you pay an MSP a recurring fee to keep your technology running and your team productive. MSPs are the backbone of managed IT services for small and mid-sized businesses that don't want the cost or complexity of a full in-house IT staff.

What MSPs typically handle

• Helpdesk and end-user support
• Network, server, and cloud infrastructure management
• Device setup, patching, and updates
• Data backup and disaster recovery
• Hardware and software procurement
• Email, productivity, and collaboration tools

Most MSPs include baseline security in their plans — antivirus, firewalls, spam filtering, and patching. That coverage is meaningful, but it's generally focused on keeping systems healthy rather than actively hunting for and responding to sophisticated threats.

What is an MSSP?

A managed security services provider (MSSP) is a specialized partner whose entire focus is cybersecurity. Where an MSP keeps the lights on, an MSSP watches for, detects, and responds to threats around the clock. MSSPs deliver managed cybersecurity built around continuous monitoring rather than break-fix support.

What MSSPs typically handle

• 24/7 security monitoring, often through a Security Operations Center (SOC)
• Threat detection, investigation, and incident response
• SIEM (security information and event management) and log analysis
• Endpoint detection and response (EDR/MDR)
• Vulnerability scanning and management
• Firewall and intrusion-detection management
• Compliance support and security reporting

MSSPs staff their teams with security specialists — analysts, threat hunters, and incident responders — rather than generalist IT technicians. That depth is what you're paying for when you engage an MSSP for dedicated cybersecurity services.

MSP vs MSSP: side-by-side comparison

Factor	MSP	MSSP
Primary focus	Keeping IT systems running and users productive	Protecting systems and data from cyber threats
Core services	Helpdesk, networks, infrastructure, backups, procurement	Threat monitoring, detection, response, SIEM, vulnerability management
Monitoring	Uptime, performance, and system health	24/7 security monitoring, often via a SOC
Compliance role	Supports compliance through basic controls and documentation	Drives compliance with audits, reporting, and security frameworks
Typical team	Generalist IT technicians and engineers	Security analysts, threat hunters, incident responders
When you need it	You need reliable, managed day-to-day IT	You face elevated risk, regulatory requirements, or sensitive data

Where MSPs and MSSPs overlap

The line between the two is not always clean. Many MSPs offer security as part of their stack, and a growing number have expanded into full security services — effectively operating as both an MSP and an MSSP under one roof. Likewise, some MSSPs bundle in IT management so clients can consolidate vendors.

This overlap is why labels alone can be misleading. Two providers may both call themselves an "MSP," yet one offers basic antivirus and patching while the other runs a 24/7 SOC. When evaluating a provider, look past the acronym and ask exactly what is included: Is monitoring continuous? Is there a documented incident-response process? Who responds at 2 a.m. when something goes wrong?

How to decide which one you need

The right choice depends on your risk profile, your industry, and what you already have in place. A few questions to work through:

1. How sensitive is your data? If you handle customer financial records, health information, or intellectual property, dedicated security coverage matters more.
2. Are you subject to regulations? Frameworks like HIPAA, PCI DSS, or CMMC often require security controls and reporting that go beyond what a standard MSP provides.
3. Do you already have an IT provider? If your IT runs smoothly but security is a gap, an MSSP can layer on top of your existing MSP.
4. What's your internal capacity? A small team with no security expertise benefits from specialized monitoring it can't staff in-house.

If you're weighing options more broadly, our guide on how to choose a provider walks through the questions to ask before signing any managed services contract. For regulated organizations, our breakdown of CMMC compliance for defense contractors shows how security requirements shape provider selection.

The co-managed model: using both

Plenty of businesses don't choose between an MSP and an MSSP — they use both. In a co-managed arrangement, an MSP handles core IT operations while an MSSP delivers specialized security monitoring and response. The two coordinate so that IT and security reinforce each other rather than working in silos.

This approach is common in industries with strict compliance demands or higher threat exposure, where general IT competence and deep security expertise are both required. It also lets an internal IT team stay in control of day-to-day technology while outsourcing the round-the-clock security watch they can't realistically staff alone.

Ready to compare options? You can find MSSPs in your area and shortlist providers that match your industry, compliance needs, and budget.

Frequently Asked Questions

Do I need an MSP or an MSSP?

If your main need is reliable, managed day-to-day IT — helpdesk, networks, backups, and infrastructure — an MSP is the right starting point. If you handle sensitive data, face regulatory requirements, or need active threat monitoring and response, an MSSP (or an MSP that offers full security services) is worth prioritizing. Many businesses begin with an MSP and add MSSP-level security as their risk grows.

Can one provider be both an MSP and an MSSP?

Yes. Many providers deliver both managed IT and managed security under a single contract. The key is to verify what's actually included — some providers labeled as MSPs offer only basic security, while others run a full Security Operations Center. Ask specifically about 24/7 monitoring, incident response, and compliance support before assuming a provider covers both roles.

Is an MSSP more expensive than an MSP?

Generally, dedicated security services cost more than baseline IT management because they require specialized staff, around-the-clock monitoring, and advanced tooling. That said, pricing varies widely by scope, company size, and the level of coverage. The right comparison isn't sticker price — it's the cost of the service against the financial and reputational cost of a breach.

What is a SOC, and why does it matter?

A Security Operations Center (SOC) is a team and facility dedicated to monitoring, detecting, and responding to security threats continuously. MSSPs typically operate or partner with a SOC, which is what enables 24/7 threat detection and response. If continuous monitoring matters to your business, confirm whether a provider has SOC capabilities — in-house or through a partner.

Can an MSSP work alongside my existing MSP?

Yes — this is the co-managed model. An MSSP can layer specialized security monitoring and response on top of the IT operations your current MSP already handles. The two providers coordinate so security and IT reinforce each other. This is a common path for businesses that are happy with their IT support but need stronger, dedicated cybersecurity coverage.