Unsecured %u2018Free%u2019 Wi-Fi? Be Worried. Be Very Worried. | Solo Practice University�. This is a great article about the dangers of free, public WiFi. I never use it, and any lawyer needs to be aware of the risks of communicating confidential information over an open connection. Always bring your own Internet, or use a VPN for computing over a free network. Unsecured WiFi is just that, unsecured. It is open to every hacker who runs a sniffer. Be afraid of its use. Be very afraid.