If your PC gets infected by a kind of virus or malware it can prove to be more than frustrating. Getting rid of Malware isn’t exactly easy and in many (probably most) cases professional help may be required. First things first though! Lets be honest avoiding most virus isn’t difficult, do not click onto peculiar attachments and install a good antivirus software!
If you have a iPhone or any other smart phone you must likely have a four digit lock code on your phone that requires a four digit password in order to enter the phone, this is a form of computer password protection security, consider adding an extra digit to the sequence to make it that bit more secure, to do so head to the settings page and it should be easy to do from that stage.