When there is anything related to mobile or desktop or anything connected to internet nothing is safe completely. That is why it is always advisable to have hardware or paper wallet instead of mobile or desktop wallet which are connected to internet. Any  of these things can be attacked and infected by virus and data could be corrupted or taken away from the user,so the best  way is to have a backup of data ,in case anything gets corrupted and be careful of the spams that are most likely to cross your path once in a while.