If you’ve been researching IT and cybersecurity support, you’ve probably run into both MSP and MSSP. The terms look nearly identical, and some providers use them interchangeably, but they describe meaningfully different services. Understanding the MSP vs. MSSP distinction matters before you sign anything, especially if your business handles sensitive data, operates in a regulated industry, or has simply outgrown basic IT support. This post explains what each model covers, where they overlap, and how to figure out which one fits your business right now.
Key Takeaways
- An MSP (Managed Service Provider) manages your overall IT operations: infrastructure, help desk, networks, cloud, and maintenance
- An MSSP (Managed Security Service Provider) focuses specifically on cybersecurity: threat monitoring, detection, incident response, and compliance
- MSP and MSSP are not interchangeable, since one keeps your technology running, the other keeps it secure
- Many growing SMBs need both, and working with a provider that delivers both under one roof simplifies accountability and speeds up incident response
- Your compliance requirements and risk profile are the clearest signals for which model you need
What Is an MSP?
A Managed Service Provider, or MSP, takes over the day-to-day management of your IT environment. That typically includes monitoring your systems for performance issues, running a help desk for your team, managing your network infrastructure, handling data backups and recovery, overseeing cloud environments, and providing strategic IT planning alongside routine maintenance.
The core value of an MSP is operational: keeping your technology running smoothly so your team can work without interruption. MSPs usually charge a flat monthly fee, which replaces the unpredictable costs of break-fix IT support with something you can actually budget for.
For most small businesses with 25 to 100 employees, an MSP either becomes the entire IT department or works alongside a small internal team in a co-managed capacity. Either way, the focus is on uptime, reliability, and keeping systems functional.
What Is an MSSP?
A Managed Security Service Provider, or MSSP, focuses specifically on cybersecurity. Where an MSP keeps your systems running, an MSSP is focused on keeping them secure and detecting threats before they cause damage.
MSSP services typically include:
- 24/7 security monitoring through a Security Operations Center (SOC)
- Threat detection and response, including Managed Detection and Response (MDR) and Endpoint Detection and Response (EDR)
- Vulnerability management and penetration testing
- Security Information and Event Management (SIEM)
- Compliance support for frameworks like HIPAA, SOC 2, NIST, and PCI-DSS
- Security awareness training for employees
- Incident response planning and execution
MSSPs are built around security expertise and threat intelligence. Their engineers are trained specifically to detect and respond to attacks, not just maintain infrastructure. That’s a different skill set, and it requires different tools, different processes, and a different kind of ongoing investment.
Where MSPs and MSSPs Overlap
Some overlap exists, and it’s worth understanding clearly. Many MSPs include basic security measures in their packages: firewall management, antivirus software, patch management, and email filtering. These are important baseline protections, but they’re not the same as the active threat monitoring and response capabilities an MSSP provides.
A useful way to think about it: an MSP with security features keeps the doors locked and the lights on. An MSSP watches for intruders, responds when something looks suspicious, and has a documented plan ready for when someone gets in.
The gap becomes more consequential as businesses grow, handle more sensitive data, or face regulatory requirements. A small business with modest data exposure might be well-served by an MSP with strong security practices. A healthcare provider processing patient records, or a financial services firm subject to SOC 2 audits, likely needs MSSP-level capabilities on top of standard IT management.
According to the 2026 Verizon Data Breach Investigations Report, 96% of confirmed ransomware victims where business size is known are small or mid-sized businesses. The most common entry points are stolen credentials, phishing, and unpatched vulnerabilities. Basic IT management doesn’t address all of those attack vectors consistently, and that gap is exactly where MSSPs operate.
Do You Need an MSP, an MSSP, or Both?
Here’s a practical breakdown based on where most businesses actually land.
You likely need an MSP if:
- You don’t have a dedicated IT team, or your internal team is stretched thin
- Your primary concern is keeping systems running, managing devices, and supporting employees
- Your business doesn’t operate in a heavily regulated industry
- You want to outsource IT operations without building an internal department
You likely need an MSSP if:
- You have IT coverage, but lack dedicated security monitoring and response
- Your business handles sensitive data: health records, financial data, or personal information
- You’re subject to compliance requirements like HIPAA, PCI-DSS, SOC 2, or CMMC
- You’ve experienced a security incident and need a more rigorous security posture going forward
You likely need both if:
- You’re a growing SMB that needs reliable IT operations and active security coverage
- You want a single provider accountable for both uptime and security
- You’re trying to reduce vendor complexity while improving coverage across the board
Working with separate MSP and MSSP vendors is common, but it creates coordination friction. When an incident occurs, both teams need to respond together. If they’re separate organizations with separate systems and separate escalation paths, response time suffers — and in a security incident, response time is everything.
What to Ask Before You Choose a Provider
Whether you’re evaluating an MSP, an MSSP, or a provider that covers both, the questions are largely the same. Before signing anything, ask:
- What’s included in the base engagement vs. what gets billed separately?
- How do you handle security incidents, and what’s your average response time by severity?
- Do you provide compliance support, and for which frameworks?
- What does onboarding look like, and how long does it take?
- Can you provide references from businesses in our industry and of a similar size?
One question worth asking any MSP specifically: what happens when a security incident occurs that goes beyond routine IT management? The answer tells you whether their security capabilities are genuinely integrated or simply bolted on. For a deeper look at evaluating security providers specifically, this guide on what small businesses should look for in a managed security provider covers the key criteria.
Frequently Asked Questions
What’s the main difference between an MSP and an MSSP?
An MSP manages your overall IT operations — infrastructure, help desk, networks, and maintenance. An MSSP focuses specifically on cybersecurity, providing threat monitoring, detection, and incident response. The two serve different needs, though some providers offer both. Choosing between them depends on whether your primary gap is IT management, security coverage, or both.
Can an MSP handle cybersecurity, or do I need a separate MSSP?
Many MSPs include basic security measures like patch management, firewall configuration, and antivirus. However, proactive threat monitoring, incident response, and compliance management typically require MSSP-level capabilities. Ask any MSP you’re evaluating exactly what their security coverage includes and where it stops — the specifics matter.
Do small businesses really need MSSP services?
It depends on your risk profile and what data you handle. SMBs that process sensitive data, operate in regulated industries, or have experienced prior incidents benefit significantly from MSSP services. Small businesses are not low-value targets: 96% of data breaches involve SMBs, according to the 2026 Verizon Data Breach Investigations Report.
Is it better to use one provider for both MSP and MSSP services?
In most cases, yes. A single provider managing both IT operations and cybersecurity simplifies accountability and improves response coordination. When an incident occurs, a unified team can act faster than two separate vendors working through handoff processes and split responsibilities.
How do I know which one my business actually needs right now?
Start with two questions: Do you have reliable IT coverage already? And do you handle sensitive data or have compliance obligations? If IT support is the gap, start with an MSP. If you have IT covered but lack security depth, look at MSSP services. If both are gaps, look for a provider that covers both — and ask how the two functions work together.
Find Out What Coverage Your Business Is Actually Missing
If you’re not sure whether your current setup covers the IT and security gaps that matter most, a structured assessment is the fastest way to find out. At Acrisure Cyber, we deliver both managed IT and cybersecurity under one roof, so your operations and security are handled by the same team working toward the same goal. Schedule a free assessment to see where your business stands and what coverage makes sense for your size and industry.
The information contained herein is provided for informational purposes only and should not be viewed as a substitute for any legal or other professional advice on any particular issue, for any particular reason, or on any particular subject matter. While the information contained herein has been compiled from sources reasonably believed to be reliable, no warranty, guarantee, or representation, either expressed or implied, is made as to the correctness or sufficiency of any representation contained herein. Cybersecurity risks and best practices vary by business and industry. Consult qualified professionals for guidance specific to your situation.