It is not recommended to use public computers for confidential work-related tasks due to various security risks.
You could consider the following

1. Find a secure and safe alternative for accessing confidential work information.
2. Evaluate the security measures of any computer being used for confidential work tasks.
3. Immediately change all passwords related to confidential accounts after any work is completed.
4. Avoid using public Wi-Fi networks.
5. Disable auto-fill settings for any forms.
6. Refrain from using public computers for download of any applications, updates, or files.
7. Enable a firewall or anti-virus software before any confidential work is conducted.
8. Delete all browser history for confidential accounts after work is completed.
9. Log out of all accounts after any work is completed.
10. Avoid storing confidential information on cloud-based storage.