If you don't protect your Wi-Fi connection with a password, does that mean itâs legal to tap your Internet and monitor what youâre doing?

The key part of the federal anti-wiretap law was written in the 1980s, long before anyone contemplated using Wi-Fi networks, so the answer isnât clear. In fact, legal experts say, itâs possible that how well you're protected by the law would depend on what channel your Wi-Fi router is set to.

âThe...