MTTR (Mean Time to Respond)
Mean time to respond (MTTR) is the average time it takes
to respond to a system failure or security incident after being alerted:
Definition
MTTR is the average time it takes to respond to a system
failure or security incident after being alerted. It's a critical metric for
assessing an organization's incident response and recovery procedures.
Formula
To calculate MTTR, divide the response time (from alert
to resolution) by the number of incidents.
Importance
A good understanding of IT security and a low MTTR is important for identifying cyber threats quickly and avoiding catastrophic
consequences.
Related metrics
MTTR is similar to mean time to acknowledge (MTTA), but
MTTR measures the time it takes to take specific responsive actions, while MTTA
only measures the time it takes to acknowledge an alert.
Tips to reduce MTTR
Some tips to reduce MTTR include:
Integrating threat intelligence sources into security
operations
Establishing clear communication channels
Fostering a culture of collaboration
Having strong cybersecurity measures in place
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