Mistake #1: Sending absolutely all logs
This often increases noise and cost.
Error #2: Not defining a use case
The SIEM then becomes a simple log warehouse.
Mistake #3: Ignoring false positives
Analysts end up ignoring the warnings.
Mistake #4: Not protecting the SIEM
The attacker may seek to compromise or disable logging.
Mistake #5: Forgetting about cloud environments
Visibility then becomes partial.
Mistake #6: Failing to monitor identities
Compromised accounts are often at the heart of many attack scenarios.
Mistake #7: Never testing the rules
An untested detection system can give a false sense of security.
Mistake #8: Thinking that SIEM replaces a SOC
Technology does not replace processes and skills.