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MDR

Also known as: Managed Detection and Response

Managed Detection and Response — an outsourced 24/7 security monitoring service combining SIEM, EDR, and human analysts. Common for small DIB contractors.

Managed Detection and Response (MDR) is an outsourced security service that combines SIEM, EDR, and 24/7 analyst monitoring to provide threat detection and incident response capability for organizations that cannot staff a security operations center internally.

For small defense contractors, MDR is often the most practical way to satisfy the AU and SI families. Common providers include Arctic Wolf, eSentire, Expel, Red Canary, Sophos MDR, and Huntress.

When an MDR provider is in use, the C3PAO will treat the provider as a Security Protection Asset (SPA) and look for the shared responsibility matrix between the contractor and the MDR.

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