The bad news? These messages are actually what Google is describing as a 'service issue,' meaning some sort of internal mistake it's currently investigating. The people who received this message can likely breathe easy(ish), because these alerts didn't necessarily mean that intruders had accessed their accounts. There's good news, and there's bad news, folks. Gmail informed users to change their passwords 'right away.' As of this writing, and according to the admin, Google was investigating the matter and said it had identified a potential cause, though it did not specify further.Ī 'new device sign in' notification is a freaky message to get, because it means that someone else has already successfully signed in to your account. However, according to a G Suite admin who chose to remain anonymous, the issue was widespread enough for Google to issue a notification about it in its Admin Panel. The number of affected users is currently unknown. Note: While deleting your cookies may resolve the problem, it. If your cookies are turned on, clear your browser's cache. Some antivirus or related software may delete your cookies. On Monday afternoon, Gmail mistakenly sent multiple users a security alert, notifying them that an unknown device had signed into their account. Where you’re signed in gmail how to sign out of all devices. If Google keeps signing you out, here are some steps you can try: Make sure cookies are turned on.