A metric for evaluating incident response efficiency, Mean Time to Respond (MTTR) measures the average duration required to contain, eradicate, and recover from an incident after it has been detected. It gauges how efficiently an organization can restore normal operations and mitigate damage once a threat is identified.
How MTTR Works
MTTR calculates the average time from incident detection to full resolution across multiple incidents. A low MTTR indicates well-defined playbooks, effective automation, and strong cross-team coordination. High MTTR values often result from unclear escalation paths, limited tool integration, or manual workflows.
- Formula: MTTR is calculated using the formula below.
Improving MTTR
Organizations improve MTTR through orchestration and automation tools like Security Orchestration, Automation, and Response (SOAR), well-rehearsed response procedures, and collaborative SecOps environments.
- Tools: SOAR platforms automate incident response workflows, reducing manual efforts and speeding up resolution.
- Procedures: Regular drills and updated playbooks ensure teams are prepared for various incident scenarios.
- Collaboration: Integrated SecOps environments facilitate better communication and coordination among security teams.
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Additional Acronyms for MTTR
- MTTR - Mean Time to Repair