Detecting suspicious activity on your Google account

Detecting suspicious activity on your account. If you've been redirected to this page from the sign-in box, we've detected suspicious activity on your account. If you notice any of the following behaviors while using Gmail or Blogger, it's possible that your account has been compromised. Gmail Some messages have disappeared.. Messages you didn't send are bouncing.. Your friends complain that they received spam from you.. Messages that you didn't send appear in Sent Mail.. Your Last account activity shows sign-in activity at unusual times or from unusual computers.. Your Gmail settings have changed, but you didn't change them. Settings include: vacation responder, signature, forwarding, filters, and others.. Blogger Posts you didn't publish continue to appear on your blog despite having changed your mail-to-Blogger address.. You get comments from other Bloggers on posts you didn't publish.. If you believe your account has been compromised, please follow the steps to secure your account.