Your security team has recently deployed a new security information and event management (SIEM) system. As part of your role, you have been asked to report on key performance indicators that will help gauge the effectiveness of the new system. Which KPI would best indicate how well the SIEM is improving the team's ability to detect threats?
Mean Time to Detect (MTTD)
Alert Volume
Mean Time to Remediate (MTTR)
Mean Time to Contain