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Breaches & RansomwareEmerging1 sourceJul 28, 2026 · 13:00via Rapid7 Blog

The Next Evolution of MDR: Preemptive Defense and Agentic Investigation

Brief

For years, security operations followed a familiar sequence: detect suspicious activity, investigate what happened, and respond before it caused significant harm. That model developed in a threat landscape where defenders had considerably more time to establish the facts and decide what to do next.

In 2019, the average data breach took 206 days to identify and another 73 days to contain, creating a total breach lifecycle of 279 days .

As the time between initial access and attacker movement continues to contract, security teams are being asked to operate within a much narrower window. AI is accelerating reconnaissance, vulnerability discovery, and campaign execution, while defenders are responsible for growing volumes of data across cloud, identity, endpoint, SaaS, and AI environments, often without equivalent growth in analyst capacity.

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