My super cautious wife is right. Be aware of this. Watch and read at the link below.
(…) Nohl’s team is probing the security of mobile phone networks.
Sharyn Alfonsi: Is one phone more secure than another? Is an iPhone more secure than an Android?
Karsten Nohl: All phones are the same.
Sharyn Alfonsi: If you just have somebody’s phone number, what could you do?
Karsten Nohl: Track their whereabouts, know where they go for work, which other people they meet when– You can spy on whom they call and what they say over the phone. And you can read their text messages (…)
Source: Hacking Your Phone – CBS News