Basic notions of confidentiality, integrity, availability

CIA Triad: Confidentiality, Integrity, Availability

Confidentiality

Confidentiality ensures that sensitive information is accessed only by authorized individuals and is protected from unauthorized access and disclosure. Measures include encryption, access controls, and authentication.

Integrity

Integrity ensures that information remains accurate, consistent, and trustworthy throughout its lifecycle. It involves protection against unauthorized modifications. Measures include checksums, digital signatures, and data validation.

Availability

Availability ensures that information and resources are accessible to authorized users when needed. It guarantees that systems, applications, and data are up and running. Measures include redundancy, backups, and disaster recovery plans.