Despite this, lately several sites have been hacked and credit card information stolen. However, if you consider that you give your credit card number to strangers over the phone or at restaurants, the Internet connection is probably more secure than most transactions you are used to. At this writing, Creighton University has no policy on using Creighton credit cards over a network connection. Knowing that, there are several steps users can take to protect themselves. Turn off Microsoft sharing if you don't need it.
Hackers routinely scan for open shares.
If you must share files be sure to use a password on the folder and be selective about whom you tell it to. Change the password periodically using a combination of letters and numbers. If you must share folders consider whether you want the person to have the ability to write to them or not. Be as restrictive as possible. Use them to obtain critical security patches.