Tajne (API ključevi, lozinke, tokeni, ključevi za šifriranje) moraju biti upravljane sigurno — nikada nisu hardkodirane u kodu ili posvećene kontroli verzije, već se čuvaju i dostupne sigurno. Loše upravljanje tajnama čest je, ozbiljan izvor kršenja.
Kardinalnom pravilo: nikada ne hardkodirajte ili posvećujte tajne
❌ NEVER hardcode secrets in source code or commit them to Git:
→ committed secrets are in the repo HISTORY (exposed even if "removed" later)
→ public repos / leaks expose them to attackers (bots scan GitHub for keys constantly)
→ a TOP cause of breaches (leaked AWS keys, database passwords, API tokens)
⚠️ If a secret IS committed/leaked → ROTATE it immediately (it's compromised)
