Don't save your logon information. Always log out of Web sites by clicking "log out" on the site. It's not enough to simply close the browser window or type in another address. Many programs [ especially instant messenger programs ] include automatic login features that will save your user name and password.
DO NOT use this option so that no one can log in as you.
Don't leave the computer unattended with sensitive information on the screen. If you have to leave the public computer, log out of all programs and close all windows that might display sensitive information.
Watch for over-the-shoulder snoops. When you use a public computer, be on the look out for thieves who look over your shoulder or watch as you enter sensitive passwords to collect your information.
Don't enter sensitive information into a public computer. These measures provide some protection against casual hackers who use a public computer after you have. But keep in mind that an industrious thief might have installed sophisticated software on the public computer that records every keystroke and then e-mails that information back to the thief. If you really want to be safe, avoid typing your serial numbers, User names/Passwords, PIN credit card number or any other financial or otherwise sensitive information into any public computer.
Are public computers at libraries, Internet cafes, airports, and copy shops safe? That depends on how you use them! Take these tips to help keep your personal or financial information private.