Here are some steps you can take to protect your online accounts while using shared or public computers:

1. Always log out of your online accounts after every session.
2. Make sure the computer has up-to-date antivirus, anti-malware and firewall software.
3. Enable two-factor authentication, if available.
4. Ensure your passwords are strong and unique.
5. Be alert to unfamiliar pop-ups or requests for credentials while online.
6. Disable auto-connect features on public networks.