Account shows you're logged in on a device you don't own

Symptoms

• Active sessions list shows a device model or location you don't recognize
• App shows 'also signed in on' an unfamiliar phone or computer
• Notification about a new sign-in you didn't make
• Settings or content changed that you didn't do

Likely causes

• CommonPassword compromised and used to log in elsewhereSomeone with your password can sign in from their own device, which then shows up in your session list.
• PossibleOld device you forgot was still logged inA device you no longer use, like an old phone, can remain signed in and appear unfamiliar at a glance.
• PossibleFamily member's device using a shared loginA shared account used by multiple people can show sessions you don't immediately recognize.

What to do

1. Open the account's security or active sessions settings and review the list carefully.
2. Sign out of any device you don't recognize or no longer use.
3. Change your account password immediately to something strong and unique.
4. Turn on two-factor authentication if it isn't already active.
5. Check for changes to your account, like a new email or phone number, and revert anything unauthorized.
6. Ask any family members if the device could be theirs before assuming it's a stranger.
7. Monitor the account over the next few days for any further unfamiliar activity.

When to call a pro

If the account holds sensitive financial or personal information and you can't fully secure it yourself, contact that company's account security support directly.

Safety