Glossary · Cybersecurity

What is CIA Triad?

The three core goals of information security: confidentiality, integrity and availability.

In more detail

Every security control protects one or more of them — encryption for confidentiality, hashing and logs for integrity, backups and redundancy for availability.

Example

Ransomware attacks availability; a data leak breaks confidentiality.

Learn it properlyWhat Is Cybersecurity? The CIA Triad, Threats, Vulnerabilities and Risk9 min lesson · Cybersecurity

Related terms

Full glossary

Cross-Site Scripting (XSS)An attack where untrusted input is shown on a page without encoding, so an attacker’s script runs in other users’ browsers.Multi-Factor Authentication (MFA)Logging in with two or more different kinds of proof: something you know, have or are.Password HashingStoring a one-way, salted, deliberately slow transformation of a password instead of the password itself.PhishingA fraudulent message pretending to come from a trusted source to steal credentials, money or access.SQL InjectionAn attack where input changes the meaning of a database query because it was inserted directly into the SQL text.Zero TrustA security model that never grants trust based on network location and verifies every user, device and request.