Why do ppl say iPhone text message hacking is hard when my iPhone texts got hacked?

I'm sure no1 picked it up and read them. It got hacked so how? I have no passlock

If you don't read what apps you have and what they have access to then you wouldn't know.

A simple free game could read all my messages and control my phone if I download it.
It says where before you download.

Also, If it's so easy to jailbreak an Iphone, how easy could it be to hack a phone, especially as they have less protection than laptops and companies are losing money because of it.