Public computers are used by many and you may not have the luxury to install the latest antivirus and you don’t know the programs it contains.
Check for malware infection signals. Is the computer two slow? Does it automatically run programs in a suspicious manner? Examine installed programs, browser add-ons and their purpose. If you can’t recognize the purpose of any of the installed programs, do some research on the Internet. Make sure that the device is using good security software.
Try to avoid logging into sensitive services like email, bank, social network etc. on a public computer. If you had to, never forget to log out and change the password as soon as possible from a safe device. Don’t save your credentials in the browser. You should also avoid working on sensitive projects or documents.
Wipe your traces before leaving the computer. Delete browser history or your files from the computer. For prohibiting the browser from saving your data (browser history) you can use incognito mode.
Don’t carelessly leave your computer unattended in the middle. Watch out for shoulder surfing.