IT Services
Information Security

Lock It or Lose It

image showing computer user accessing several online sites[Oct. 16, 2018] Leaving your computer screen unlocked when you're away from your desk not only puts the security of your personal data at risk but also that of the college. Someone can easily take control of an unattended computer and wreak all sorts of havoc, even if you're away for only a few minutes. Risks can include:

How to Lock Your Screen

Locking your screen is one of the easiest things you can do to safeguard your computer and data.

4 Ways to Lock Your Windows Screen

  1. Hit the Windows key and L. You're in lock!
  2. Ctrl + Alt + Delete. Choose lock from the popup menu.
  3. Select the Windows Start button in the lower left corner of the screen and click your user icon. Select Lock from the popup menu that appears.
  4. Adjust your screen saver settings to require a log-in when your screen saver is used. From the Windows Start menu select Settings > Personalization > Lock Screen > Screen Saver Settings. Check the box beside On resume, display logon screen.

3 Ways to Lock Your MacOS Screen

  1. From the Apple menu select Lock Screen
  2. Use the Lock Screen keyboard equivalent: control + command + Q
  3. From the Apple menu choose System Preferences > Security & Privacy.
    • Check the box beside Require password after sleep or screen saver begins. Specify a time interval from the dropdown menu.
    • Check the box beside Disable automatic login.

Questions or Concerns?

If you have questions or concerns regarding the reuse of passwords or password security in general, send email to