How to stay safe on your mobile device in 2013

Accustom yourself to regularly check your phone bill and investigate any suspicious charges even if these are minor ones, understand app permissions before installing apps, use a trusted security app to protect you from malware and make sure to download and install critical updates. Malware that sends premium-rate SMS from your device will continue to dominate the 2013 mobile threat landscape and most devices lack the necessary protection mechanism against this type of malware.

Read more here - https://blog.lookout.com/blog/2012/12/13/2013-mobile-threat-predictions/