Antivirus - Sophos Endpoint Protection for Macintosh | Office of Information Technology

Antivirus - Sophos Endpoint Protection for Macintosh

Last Updated: 07/20/2015


OIT recommends the use of Sophos software for university-purchased Macintosh computers.

  Sophos Endpoint Protection
Cost: No cost.
Available For: Faculty, Staff, and student staff conducting official university business.
Hardware Requriements:
  • Intel-based Macs (32-bit and 64-bit)
  • PowerPC-based Macs
Disk space
  • 150 MB free
  • 512 MB
Software Requirements: Mac OS X 10.6 (Snow Leopard) or above
Installation and Configuration Before installing Sophos, other antivirus software must be uninstalled. To install Sophos, please refer to the documentation below.

Download and Install Sophos:

Before downloading and installing Sophos, you must first uninstall other antivirus software you may have on your Macintosh. Here are instructions for uninstalling former university-recommended antivirus software:

Install Sophos

  1. Go to
  2. Log in with your CU Login Name and IdentiKey password.
  3. The file will download.
  4. Install Sophos Antivirus for Mac (tutorial).

*Note: Updates to the CU-Boulder provided Sophos software require an on campus connection to install. Off campus users can connect to the campus network by using the campus VPN service.


If you are using Mac OS 10.8 (Mountain Lion) you need to temporarily adjust settings in order to install Sophos or you will recieve an error message. In order to bypass this error message:

  1. Open System Preferences
  2. Click Security and Privacy
  3. Click the lock to make changes and enter your username and password.
  4. Within the General section select Anywhere.

Once you have installed Sophos, be sure to readjust this setting to be Mac App Store and identified developers.