If you're buying a new phone, you can save money by trading in or selling your old device. Here's how to safeguard your data before you ship it off, along with the best places to send your phone.

Security researchers say exploits used by governments to hack into Apple iPhones have been found used by cybercriminals. They warned of an emerging market for "second hand" exploits.

If your iPhone is running an outdated version of iOS, you may have 23 vulnerabilities that can be exploited by highly sophisticated toolkit being sold to bad actors.