The Next Evolution of MDR: Preemptive Defense and Agentic Investigation
Rapid7, Tuesday, July 28th, 2026
Rapid7 argues shrinking breach timelines require MDR to shift from reactive investigation to preemptive defence.
Security operations has long followed a familiar sequence of detect, investigate, and respond, a model that developed when defenders had considerably more time to establish facts.
Rapid7 argues that compressed attacker timelines have broken that assumption and that managed detection and response must shift toward preemptive defence and agentic investigation.
The post covers what agentic investigation means operationally and how it changes the analyst's role. It addresses where automation is trustworthy and where it is not. The argument is aimed at organizations evaluating MDR providers.