![](https://help.apple.com/assets/65C13B8310C97C4CA5052A31/65C13B8510C97C4CA5052A49/en_GB/52d714626638d3391623c853be0c593b.png)
Reject unknown sign-in attempts
When you sign in on a new device, you get a notification on your other trusted devices. The notification includes a map of the new device’s location. This notification can appear on any trusted device; an iPhone, iPad or Mac.
![A MacBook Air, iPad and iPhone.](https://help.apple.com/assets/65C13B8310C97C4CA5052A31/65C13B8510C97C4CA5052A49/en_GB/2e24622a96c20c60aa9399f5a1e99acf.png)
This is an approximate location based on the IP address or network that the device is currently using, rather than the exact location of the device.
If you see a notification that your Apple ID is being used to sign in on a new device and you’re not signing in, tap Don’t Allow to block the sign-in attempt. You may also want to capture a screenshot of the notification before dismissing it.
See Record suspicious activity.
If you think your Apple ID might be compromised, see Keep your Apple ID secure and remove unknown devices.