Don’t throw out that old phone — turn it into a privacy device

Most forms of communication used by enterprises these days are highly prone to being intercepted, whether by law enforcement, cyberthieves, corporate spies, or wayward employees and contractors. That leaves enterprise IT open to new approaches to safeguard communications. I just saw one creative idea on the Lifehacker website suggesting that outdated mobile devices could be used as top-secret, Wi-Fi-based privacy devices.
The core of this idea is that old smartphones that are no longer tied to