If you need to install antivirus, download Symantec Endpoint Protection (SEP). You will need to log in with your LLNL Official Username (OUN) and One-Time Password (OTP). Locate the 'Symantec Endpoint Protection (SEP) - Home Use' section and click the 'OS X' button. The ZIP file should automatically download to your computer.
SEP must be opened/installed from your Downloads folder.Save the ZIP file to your computer.