Lock Screen

Noun · Security & Infosec

Definitions

  1. The interface or state that prevents continued use of a device without reauthentication after it is idle, manually locked, or resumed. Lock screens are a basic but important control against opportunistic misuse of unattended devices.

    In plain English: The protective screen that blocks use of a device until it is unlocked again.

    Example: "The incident happened because the shared workstation had no automatic lock screen timeout on the production floor."

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