Messenger Security (IMAGE) Brigham Young University Caption Researchers have learned that most users of popular messaging apps are leaving themselves exposed to hacking and fraud because they aren't using important security options. Credit Nate Edwards/BYU Photo Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.