The CIA Triad#

  1. Confidentiality
  2. Integrity
  3. Availability

Confidentiality#

Preventing unauthorized users from accessing data.

  • Passwords
  • Encryption
  • Access control

Integrity#

Ensuring the data hasn't been altered.

  • Hashing
  • Message authentication

Availability#

Making sure systems and data are available for authorized users.

  • Backups
  • Redundant systems
  • Disaster recovery plans

These support fault tolerance and availability.