According to Mandiant Security Effectiveness Report – 2020, the following are some of the challenges in measuring security efficacy:
Only 4% of reconnaissance activity generated an alert. Security controls did not prevent or detect detonation within their environment 68% of the time. 65% of the time, security environments were not able to prevent or detect the approaches being tested. 97%of the behaviors executed did not have a corresponding alert generated in the SIEM. 54%of the techniques and tactics used to execute testing of lateral movement are missed.
These challenges assets the fact that existing
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