Confidentiality, Integrity, and Availability
Understand the CIA triad and why each principle is essential to protecting information systems and data.
What Is the CIA Triad?
The CIA Triad is the foundation of security: Confidentiality, Integrity, and Availability. Almost every control you'll ever meet protects one of these three. 🔐
Confidentiality: Keeping Secrets Safe
Confidentiality means only the right people can see the data. You protect it with encryption and access controls — so even stolen drives stay unreadable.
All lessons in this course
- Confidentiality, Integrity, and Availability
- Authentication, Authorization, and Accounting
- Non-Repudiation and Security Controls
- Security Roles and Responsibilities