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How Strangers can hack the phone in your pocket
http://www.cbsnews.com/news/60-minutes-overtime-how-strangers-can-hack-the-phone-in-your-pocket/
How Smartphones are hacked
https://www.csoonline.com/article/2112407/how-to-hack-a-phone.html
1) You should assume that all baseband communications (GSM and CDMA) on any cellphone is not secure. This includes all voice cell phone calls and text messaging. Hostile nation states, corporate spies, foreign intelligence agencies, and some police departments have the technology to intercept, decrypt, listen/read, and store all of these types of communications. They also have the capability to dump all of your contacts, emails, text messages, and stored passwords to their servers.
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