Here are some tips to ensure the safekeeping of your sensitive data on your work computer:

1. Use a strong password and update it frequently.
2. Set your computer to lock automatically after a period of inactivity.
3. Be cautious when downloading or accessing files from unsecured locations.
4. Use antivirus software to protect your machine and data from malicious attacks.
5. Regularly back up your data to a secure location.
6. Securely delete any data you no longer need.