// foundations · 01 / 09
CIA triad
Confidentiality, integrity, availability
Every control and every incident maps to at least one of these. If you can’t name which, you don’t understand the impact yet.
- C — Confidentiality — who can see it
- I — Integrity — was it changed
- A — Availability — can we use it
Breaks
- C — data leak, stolen laptop, mis-share
- I — ransomware encrypt, poisoned update
- A — DDoS, disk full, deleted backups
Controls
- C — encryption, access control, DLP
- I — hashing, signing, least privilege
- A — redundancy, backups, rate limits
// check yourself
Attacker defaces your homepage HTML. Primary CIA hit?