MDR, MSSP, and Managed EDR — The Differences
The terms MDR, MSSP, and managed EDR are often used interchangeably. They shouldn’t be. This whitepaper draws the lines clearly — so security leaders can match capability to need without paying twice for overlap or buying a category that doesn’t solve the problem.
- What each model actually delivers — in operational terms
- Where overlap creates wasted spend
- Where gaps create false security
- How to evaluate providers across all three categories
- When you need one, the other, or a combination
Three labels. Three different things.
The acronyms have blurred. Vendors stretch their offering descriptions to fit whatever the buyer is asking for, and buyers end up comparing apples, oranges, and pears in the same RFP. The result is wasted spend, missed coverage, and bad procurement decisions.
Managed security services — broad operational coverage.
An MSSP runs security operations on the customer’s behalf. The scope is typically broad — SIEM management, firewall management, monitoring, incident triage, sometimes vulnerability management and patching. The depth varies enormously between providers. The best MSSPs operate as an extension of the internal team across many disciplines. The worst rebrand alert forwarding as a managed service.
Managed detection & response — outcome-focused on the kill chain.
MDR is narrower than MSSP in scope but deeper in capability. The promise is detection, investigation, and response across the attacker kill chain — not just monitoring. A real MDR service has senior analysts, custom detection content, a documented response playbook, and accountability for outcomes (mean time to detect, mean time to contain). Many “MDR” offerings are actually managed EDR with marketing.
Managed endpoint — not managed detection.
Managed EDR is what it sounds like: a third party operates the endpoint detection and response platform you bought. That is valuable. It is also limited. Managed EDR sees the endpoint and only the endpoint — not identity, not cloud, not network, not email. Pricing it as if it were MDR is one of the most common procurement mistakes in security.
A capability map, not a category claim.
Digital Hands operates all three layers as a single coherent program. Managed Detection & Response across the full kill chain. Managed EDR as a component of that. Plus the managed SIEM, identity defense, cloud posture, and threat exposure layers that close the gaps single-category providers leave open. We tell buyers exactly what they’re getting in each layer and exactly where the seams are. No category claim that doesn’t hold up under scrutiny.