Panicked, Emily tried to recall if she had made any recent changes to her account or if she had shared her login information with anyone. But she couldn't think of anything out of the ordinary.

With a sigh of relief, Emily was able to log back into her account, grateful that she had been able to identify herself and regain access to her Facebook profile.

Emily was puzzled. She had logged in to her account countless times before, but she had never seen this message. She tried to enter her password again, but it didn't work. The message persisted: "To continue, we need to verify your identity."