Mobile devices, from smart watches to phones to tablets, are everywhere. They've changed the way we live, act, communicate, and do business.

For hackers, ethical or the bad kind, social engineering is an art. It involves convincing people to give up confidential information.

Almost everywhere you go today, you can find "free" Wi-Fi, from restaurants to malls to airports to open access in cities.

We tend to think of cyber threats as coming from an anonymous or state-sponsored criminal, but it can come from your own employees.