Mobile applications are generally more easily attacked by hackers

People always trust their family and friends and leave their passwords with them

Mobile devices are often donated, sold or traded-in without wiping thedata

People tend to download applications without concern

Because there are a lot of critical risks in the mobile field.

Because other techniques are not feasible in the mobile field

Because risk based testing is proved to be the best approach to test any type of applications

Because there will never be enough time to test everything

Geolocation

Telephony

Magnetometer

Altimeter