| Security QA | |
| User | System Administrator/Students/Hacker |
| Problem | Attempt to change the grades, attempt to check the assignments |
| Environment | Normal Operation |
| Artifact | System’s database |
| Response | Grant or withdraw permission to modify the data |
| Tactic | Authenticate user, Authorize the user, Maintain Data Confidentiality, Maintain Integrity |
| Rationale | Modification can only be done by authorized users |