Avoid public wifi

Many cities use WiFi to provide free or low-cost internet access to people. WiFi networks are easy to set up, inexpensive and unobtrusive.

 A wireless network uses radio waves, just like cell phones, radios and televisions . 

• A computer's wireless adapter decodes data into a radi...

Unless 100% of the recipients will find your information useful, only reply directly to the sender.

"Reply all" is too often the cause of office drama. Always be sure to check if you've accidentally clicked "reply all" before sending a sensitive message.

Freelancers often work in public spaces like coffee shops and libraries.

• Connecting to the wrong Wi-Fi network could cause you to fall victim to the man-in-the-middle attack. This is a fake Wi-Fi network that seems free or matches closely to a real network. When you connect, you are at...