Phone and device safety · Lesson 2 of 4

Lock your screen

A screen lock protects the information and signed-in accounts on a misplaced device. A short or shared PIN weakens that protection.

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See it in everyday life

A practical example

A phone left in a taxi may still provide access to email, saved messages, and payment apps if it has no lock or a predictable code.

Do this now

Three useful actions

  1. 01

    Use a private PIN, password, or supported biometric lock.

  2. 02

    Set the device to lock automatically after a short period.

  3. 03

    Keep sensitive notification content hidden on the lock screen where appropriate.