Sikkerhet logging og overvåking muliggjør oppdagelse og respons på sikkerhetstrusler og hendelser. Uten tilstrekkelig logging/overvåking, går angrep uoppdaget — som er hvorfor "utilstrekkelig logging og overvåking" er gjenkjent som en sikkerhetsrisiko (OWASP).
Hvorfor logging og overvåking er viktig for sikkerhet
You can't respond to (or even know about) attacks you can't DETECT:
→ without logging/monitoring, breaches go UNNOTICED (often for months) → far more damage
→ "Security Logging and Monitoring Failures" is an OWASP Top 10 risk
→ detection is essential — you can't stop every attack, but you must DETECT and respond.
Hva som skal logges og overvåkes
✓ AUTHENTICATION events → logins, failures, lockouts (detect brute force/credential stuffing)
✓ ACCESS to sensitive data/actions → audit trail (who did what, when)
✓ AUTHORIZATION failures → repeated denied access (probing/attacks)
✓ Anomalies → unusual patterns, spikes, suspicious behavior, errors
✓ ADMINISTRATIVE/privileged actions; config changes; security-relevant events
⚠️ but DON'T log sensitive data (passwords, full card numbers, secrets) — that's a risk itself
