This datasheet contrasts two complementary disciplines: MDR is continuous 24x7x365 monitoring and response that works inside existing security tools (EDR/EPP, XDR, identity, SIEM) to investigate alerts, contain true positives within customer rules of engagement, identify indicators of compromise, hunt for related compromised devices, and escalate business-critical cases where direct actions are not authorized. CIRT handles the aftermath of a breach by performing deeper forensics to identify the attack source and support restoration, including memory and disk forensics, additional hunting based on forensic findings, compliance disclosure guidance, and litigation support with recommendations and expert testimony. It emphasizes that incident response “picks up where MDR ends,” and the two can

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