Investigate suspicious activity on your account

Important: If you were redirected to this page from the sign-in box, we've detected suspicious activity on your account.

Find out if your Google Account has been hacked

If you notice any of these signs, someone else may be using your Google Account.

Important: If you think someone else is signed in to your Google Account, change your password immediately for:

  • Your Google Account, if you didn’t change it already
  • Apps and sites:
    • That you use the same password you used for your Google Account
    • That contact you through your Google Account email address
    • Where you sign in with your Google Account email address
    • Where you saved passwords in your Google Account

You can then check for and remove any unfamiliar devices signed in to your account.

Suspicious account activity

Unfamiliar changes to critical security settings

Correct the setting immediately if you see unfamiliar changes to these settings:

Review your emails

Review your name

Review apps with access

Unauthorized financial activity

Your financial activity might be suspicious if:

Unusual activity notifications

Tip: To tell you about suspicious activity, we'll use your recovery phone number and email address.

We’ll inform you of unusual activity through:

  • A notification about an unusual sign-in or a new device on your account.
  • A notification that there was a change to your username, password, or other security settings, and you didn’t make the change.
  • A notification about some other activity you don’t recognize.
  • A red bar at the top of your screen that says, "We've detected suspicious activity in your account."
  • Your "Device activity and security events" page.

Suspicious activity in Google products you use


Gmail settings

Correct the setting immediately if you see unfamiliar changes to:

Gmail activity

Your Gmail activity might be suspicious if:

  • You no longer receive emails.
  • Your friends say they got spam or unusual emails from you.
  • Your username has been changed.
  • Your emails were deleted from your inbox and aren’t found in "Trash". You can report missing emails and possibly recover them.
  • You find "Sent Emails" that you didn’t write.

Your YouTube activity might be suspicious if:

  • Your YouTube channel has videos you didn't upload, comments you didn't make, or unfamiliar changes to your:
    • Channel name
    • Profile photo
    • Descriptions
    • Email settings
    • Sent messages
Google Drive

Your Google Drive activity might be suspicious if:

Google Photos

Your Google Photos activity might be suspicious if:


Your Blogger activity might be suspicious if:

  • Posts you didn’t publish appear on your blog.
  • You get comments on posts you didn’t publish.
  • Your mail-to-Blogger address has changed, but you didn’t change it.
  • Your blog disappeared or was blocked.
Google Ads

Your Google Ads activity might be suspicious if you find unfamiliar:

  • Ads that point to unknown links or destinations
  • Increases in your ad spend
  • Changes to account owners, managers, or users
Protect Your Identity Online

Get step-by-step visual guides on the tools and practices that will help you protect your personal information with Google's Online Security Guidebook.

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