Use a security app that increases protection. For Android owners, Webroot offers the all-in-one Mobile Security for Android app that provides antivirus protection and allows you to remotely locate, lock up and wipe your phone in the event you lose track of it. For iOS users, Webroot also offers a free secure web browser for increased mobile security on your iPhone and iPad.
And for this part of using security apps, its better to use high rated security apps because not all android security app is secure. Some security apps on android device are like malware that expose your data or privacy to the app developers.
Most android phones comes with security apps though and its preferred to use the ones that comes with the phone.