That sentence is every engineer’s nightmare. It’s also why authorization and Multi-Factor Authentication (MFA) belong side by side in your security stack. Authorization decides who can do what. MFA proves they are who they say they are. Put them together, and you cut a massive slice of your risk surface.
Authorization without MFA is a brittle lock. MFA without solid authorization is an unlocked vault. Modern threats do not wait for weak spots — they find them. Password dumps, phishing kits, and stolen tokens are traded every day. One leaked credential can’t open the gates if your MFA policy blocks the way. One verified identity can’t wreak havoc if your authorization rules stop it cold.
Strong MFA starts with more than a checkbox. Use time-based one-time passwords (TOTP), hardware keys, or device-based push verification. Avoid SMS as your only factor. Threat models now include SIM swapping and fake recovery portals. The extra inconvenience of a hardware token is nothing compared to the cost of a breach.
Authorization is more than simple role-based access controls (RBAC). Audit every action the system can take. Use principle of least privilege. Map your API endpoints to fine-grained permissions. Remember that service-to-service calls need an authorization story too. Internal APIs get exploited as often as public ones. Combine policy-as-code and automated enforcement to make authorization reliable under load.