Optiv Cybersecurity Dictionary

What is MDR - Managed Detection and Response?

Managed detection and response (MDR) is an outsourced service that leverages external experts to make the security benefits of tools like EDR and proactive threat hunting accessible to customers of all maturity levels.  


Fully leveraging technology such as EDR (endpoint detection and response) and all of the telemetry it creates can be labor-intensive and is perhaps most viable for security operations with a higher level of maturity. However, the benefits of EDR are valuable to organizations of all maturity.  MDR providers combine specialized technology like EDR, NTA (network traffic analysis), deception platforms and threat intelligence with the expertise of their staff to proactively look for intrusions into the networks of their clients. MDR providers can also provide specific recommendations for incident response.  

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