Detection and response
EDR, XDR and MDR explained for South African MSPs
What each capability actually is, how they differ, and how to decide which you need — without the acronym confusion.
Cut through the acronyms
Three terms, one question: how do you detect and respond to threats?
EDR, XDR and MDR are often used interchangeably, but they answer different questions. Two describe how much a technology can see; the third describes who operates it. Understanding the distinction helps you buy the right capability rather than the loudest acronym.
Endpoint Detection and Response
Scope: endpoints
EDR monitors endpoints — laptops, desktops and servers — for suspicious behaviour, records activity for investigation, and enables response actions such as isolating a device or rolling back malicious changes. It focuses depth of visibility on the endpoint itself.
- Continuous endpoint behaviour monitoring
- Threat investigation and forensic timeline
- Isolate, remediate and roll back affected devices
Extended Detection and Response
Scope: endpoints + connected signals
XDR extends detection beyond the endpoint, correlating signals across multiple layers — such as email, identity and other connected data sources — into a single view. The goal is to see an attack that moves across surfaces rather than treating each alert in isolation.
- Correlated detection across multiple layers
- Fewer, higher-fidelity incidents to triage
- Broader context for faster investigation
Managed Detection and Response
Scope: a delivery model, not a tool
MDR is an operating model rather than a product: detection and response technology combined with people who monitor, investigate and act on threats. It answers the question of who watches the alerts — relevant when an organisation lacks the capacity to run 24/7 monitoring itself.
- Technology plus human-led monitoring
- Addresses the “who responds” gap
- Suited to teams without their own security operations
Which do you need?
A simple way to decide
Start with EDR
If you need strong visibility and response on endpoints and have the capacity to act on alerts, EDR is the essential baseline for most environments.
Add XDR for reach
If attacks that cross email, identity and endpoints are a concern, XDR correlates those signals so multi-stage attacks are not missed.
Choose MDR for coverage
If you have the tools but not the people to monitor them around the clock, a managed model provides the human response layer.
Detection meets recovery
Detection and response are one layer — recoverability is the safety net
Even the best detection cannot guarantee that nothing ever gets through. That is why detection and response work best alongside backup and recovery: the first reduces the likelihood and impact of an attack, the second ensures a clean path back if one succeeds. Delivering both from one platform means an incident and its recovery are managed in the same place.
One platform, layered defence
- Endpoint detection and response for device-level threats
- Extended detection across connected signals
- Immutable backup and clean restore points
- Disaster recovery for full-system failover
- Managed from a single Acronis Cyber Protect Cloud console
Frequently asked questions
What is the difference between EDR, XDR and MDR?
EDR detects and responds to threats on endpoints. XDR extends that detection across multiple connected layers — such as email and identity — and correlates the signals into one view. MDR is a delivery model, not a tool: it combines detection and response technology with people who monitor and act on threats on your behalf. In short, EDR and XDR describe scope of technology; MDR describes who operates it.
Do I need XDR if I already have EDR?
Not always. EDR gives deep visibility on endpoints and is a strong baseline. XDR adds value when attacks move across surfaces — for example starting with a phishing email, then compromising an identity, then reaching an endpoint — because correlating those signals reveals the full picture that endpoint data alone might miss.
When does MDR make sense?
MDR makes sense when the technology is in place but no one is watching it around the clock. Detection and response only reduce risk if someone acts on the alerts quickly. Organisations without their own security operations capacity often close that gap with a managed model rather than hiring and running a 24/7 team.
How does detection and response relate to backup and recovery?
They are complementary layers of the same resilience strategy. Detection and response aim to stop or contain an attack early; backup and recovery ensure that if an attack succeeds, clean data and systems can be restored. Strong prevention reduces incidents; strong recoverability determines the outcome when one gets through.
How are these capabilities delivered through Soteria Cloud?
Endpoint detection and response and extended detection and response are capabilities within Acronis Cyber Protect Cloud, managed alongside backup, disaster recovery and endpoint management in a single console. This lets MSPs operate prevention, detection and recovery from one platform rather than stitching together separate tools.
Build detection and recovery on one platform
Talk to Soteria Cloud about the right detection and response approach for your practice.