Are files sent over google talk safe?

I always fear my computer of getting hacked because i know a friend of mine who easily hacked my pc.So now though i use sunbelt firewall but i still have residual doubts while sending files through google talk.they are too precious to fall into wrong hands.Plz help.
Are files sent over google talk safe?
put this kind of protection, and tell your friend to try to hack you.


Avast 4.8


avira


AVG8. but install and use only one anti virus


comodo firewall pro


malwarebytes anti-malware


SUPERAntispyware


ccleaner and mvregclean to clean your computer.


m


and google talk isnt safe to send files.