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Introduction to Cybersecurity

3. Computer Security & Access Control

3.1. Access Control Principles

Access control ensures only authorized users can access specific resources.

  • Authentication – Verifying identity (e.g. passwords, biometrics).

  • Authorization – Granting access based on roles or permissions.

  • Accountability – Tracking user actions through logs.

  • Least Privilege – Users get only the access they need.