To download Lookout on your compatible iOS or Android device, go to Lookout.com, and click on the Personal link located in the upper left portion of the Web page. Click on the Download on the App Store or Get It On Google Play button.
Lookout, which debuted in 2007, was created by University of Southern California graduates John Hering, James Burgess and Kevin Mahaffey. Originally called Flexilis, this San Francisco-based mobile security company protects consumer and business smartphone devices against cybercriminals and viral attacks. As of 2015, the company analyzes data from more than 70 million users and thousands of applications daily.