A cybersecurity team tracks the mean time to detect (MTTD) as one of their key performance indicators (KPIs). What does a decrease in the MTTD over time indicate about the team's performance?
The team is experiencing fewer security alerts.
The team is responding to security incidents faster.
The team's overall mean time to remediate incidents has increased.
The team is identifying security incidents more quickly.
A decrease in the Mean Time to Detect (MTTD) indicates that the team is becoming more efficient at identifying security incidents. Mean Time to Detect measures the average time it takes to become aware of an incident after it has occurred. Improvements in this metric suggest that detection tools, processes, and monitoring are becoming better integrated and more effective. While increasing mean time to respond (MTTR) or alert volume are important, they do not provide direct insight into detection efficiency.
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How is MTTD different from MTTR?
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Why is decreasing MTTD important for cybersecurity?