Those handy wireless keyboards are a security risk. Researchers have discovered that they easily monitor every keystroke sent from a wireless keyboard to the computer. The keyboards use a very weak form of encryption that can be easily monitored using an inexpensive radio receiver from as much as thirty feet away, and the encryption algorithm is easy to crack using virtually any computer--no special supercomputer required.
This means hackers can easily monitor your keyboard and filter for passwords, credit cards, and other personal information.