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Home > Help & Support > Knowledge Base > Security > Highly Sensitive Data FAQ > How do I secure my computer?

How do I secure my computer?

The actions listed below should be taken by all computer users, even if you do not have highly sensitive data stored on your computer.

  • Activate a password-protected screensaver
  • Use Strong Passwords for all of your accounts
  • Automatically receive critical updates
  • Use antivirus software and verify proper configuration
  • Back up files As needed
  • Never open Suspicious Emails or Attachments
  • Use SSL or https for online transactions
  • Reformat hard drive if owner changes
  • Use secure shell, https, VPN, or other encrypted client portals for transferring files
  • Follow Best Email Practices
  • Browse safely
  • Use a modern and secure operating system, such as Windows 10, or Mac OSX 10.13 (High Sierra) or later

If you need assistance implementing these steps, contact the ITS Support Center.

Last modified: September 6, 2018

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  • What university policy governs permission to access or store Highly Sensitive Data (HSD)?
  • What type of data might appear highly sensitive, but is not subject to the Data Stewardship policy?
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  • What is encryption “at rest?"

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George Mason ITS @georgemasonits ·
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After October 14, 2025, Microsoft will no longer provide security updates or support for Windows 10 systems. As a result, all Windows 10 systems must be upgraded to Windows 11 or removed from the Mason network. Learn more ⬇️

https://its.gmu.edu/bulletins/microsoft-windows-11-announcement/

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