Nadzor dostopa ureja, kaj lahko avtentizirani uporabniki počnejo — preko modelov, kot je RBAC (nadzor dostopa na osnovi vlog) in načel, kot je najmanjši privilegij. Pravilno konfiguriran nadzor dostopa je kritičen, saj je pokvarjen nadzor dostopa OWASP-ova #1 ranljivost.
Modeli nadzora dostopa
RBAC (Role-Based Access Control) → assign users to ROLES; roles have PERMISSIONS:
→ user → role(s) (admin, editor, viewer) → permissions → access decisions
→ manageable, common; change a role's permissions, all its users update
ABAC (Attribute-Based) → decisions based on ATTRIBUTES (user, resource, context) → flexible,
fine-grained (e.g. "editors can edit docs in their department during business hours")
ACLs → per-resource lists of who can do what
