so a lot of businesses, particularly if you're in a retail operation, you're going to have a network where you're going to have your financial systems on that, your office computer, maybe stuff for your customers or for your employees to work on. you want to make sure anything financial is just fully separated out. you bring in an i.t. specialist, they can set this up for you and make sure that network isn't connected to the network that, again, people are browsing the web or doing other things on it. for business that is have websites, this is really important, vulnerability scanning service, these are organizations you go out and you can pay them and they'll scan your online presence to make sure that there's no vulnerabilities, the attackers are taking advantage of, and then they can give you information when they do find things and, trust me, they will find things. you have to do a little bit of shopping around. basically my usual advice is don't buy the most expensive one. get something in the middle. but there's a lot of online