# Identity, Authentication, & Authorization
aka:: "IAM"
wiki:: [Identity management - Wikipedia](https://en.wikipedia.org/wiki/Identity_management)
- [Digital identity - Wikipedia](https://en.wikipedia.org/wiki/Digital_identity)
- [Authentication](https://en.wikipedia.org/wiki/Authentication)
- [Authorization](https://en.wikipedia.org/wiki/Authorization)
- [Access Control](https://en.wikipedia.org/wiki/Access_control)
---
## Authentication vs Authorization (& Access Control)
- Authentication is whether you are who you say you are
- Authotization is what you are allowed to do
- Access Control is typically considered synonymous with authorization
## [[RBAC]]
## [[nix Users, Permissions, & Ownersuip]]
## [[Identity Provider]]
## [[Oauth]]
## [[OpenID]]
## [[SAML]]
## HTTP Cookies v
## [[HTTP Basic Access Authentication]]
## [[Single sign-on (SSO)]]
## [[Multi-factor Authentication & OTPs]]
## [[Access Token]]
## [[Access Control List]]
## [[LDAP]]
## [[Claims-based Identity]]
## [[Login Session]]
## [[Digest Auth]]
## [[AWS IAM]]
## [[Microsoft IAM]]
## Tools
- [[Auth0]]
- [[Okta]]
- [[Authentik]]
- [[Authelia]]
- [[Auth.js]]
- [[Clerk]]
- [[OpenAuth]]
- [[BetterAuth]]
- [[StackAuth]]
## Inbox
- [User provisioning software - Wikipedia](https://en.wikipedia.org/wiki/User_provisioning_software)
- [Why An Identity Master Repository is Crucial to An Organization's Security - SecZetta](https://www.seczetta.com/resource/identity-master-repository-white-paper/)
- [[Password]]
- [[Passwordless authentication]]
- [[Passkey (authentication)]]
- [[Client Puzzle Protocol]]
- [[Gravatar]]