My iTunes account was violated and deleted and they stole $100 of my Paypal money

My iTunes account was hit for $100 of iTunes Gift Cards. Why doesn't iTunes have more protection for customers like banks, credit card companies and even telephone companies to keep your accounts safe...There is only a password and email that violators need to hack the accounts...it is too easy...Why doesn't iTunes have support for customers when this happens? The products of Apple are great with violators, but iTunes needs some serious help...Everyone be aware of your accounts!