Do you have a wireless router on your network? Whether you're talking about a home or office network, a current form of encryption is absolutely essential to your network's security. What is encryption? Effective encryption turns your network signal into gobbledy-gook that only authorized devices can understand. If you don't have effective encryption enabled on your network, you're leaving an open door for hackers to "watch" your protected health information (PHI) come and go over your network.