Keychain
Noun · Security & Infosec
Definitions
A secure storage facility, commonly associated with Apple platforms, for passwords, certificates, tokens, and other sensitive credentials used by applications and users. Security discussions about keychains focus on access controls, unlock state, app entitlements, and whether stored items can be extracted or abused.
In plain English: A secure place on a device for storing passwords, certificates, and other secrets.
Example: "The malware targeted the user's keychain to harvest saved credentials after the session was unlocked."