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Purpose of Knowledge Article:

Provide instruction on how to install Sophos Anti-virus on an Apple computer.

Resolution:

    Before you start:

    • It is strongly recommended that you close out all other software windows or at the very least minimize them as there will be a few popup windows during the installation that can easily be missed if you have other windows open.
    • Read the entire instruction first.

    This is the instruction for macOS Catalina:


    1

    Download the Sophos Mac client from https://software.lbl.gov

    2 Open the downloaded file and double-click on Sophos Installer


    3 Click Open

    4 Click Continue

    5 Accept the license agreement and Continue

    6 Enter your Mac user name and password and click Install Helper

    7

    Near the end, two prompts to Open Security & Privacy will come up.

    Click Open Security Preferences and click Close on the other window

    8

    When the below screen appears, click Close

    Note: this drag Sophos icon method DOES NOT work well

    9 Go to Finder -> Go -> Go to Folder

    10 Type in /Library/Sophos Anti-Virus and click Go. The Sophos Anti-Virus window will open up. Leave that window open

    11

    Go back to the Security & Privacy window and select the General tab.

    Double-click the padlock at the bottom left, and enter your Mac username and password to unlock it.

    Click on the Allow button

    12 Then click on the Privacy tab at the top, scroll down and select "Full Disk Access" on the left

    13

    Bring the Sophos Anti-Virus Finder window back into view (from Step 10).

    Drag the 3 items below from the Finder window into the Full Disk Access area on the right side:

    • SophosAutoUpdate
    • SophosCleanD
    • SophosScanAgent

    14 At the Sophos Anti-Virus Finder window, double-click on the "Tools" folder

    15 Drag "Sophos Diagnostic Utility" to the Full Disk Access area as well

    16 The Full Disk Access window should look like below, with SophosServiceManager below SophosCleanD.

    17

    Close all of the open windows and restart the computer.

    no image

    This is instruction for macOS Big Sur and newer, including Monterey:


    Before you start, close down all other software windows as there will be few pop-up messages during the installation and can be easily missed.

    1

    Download Sophos Anti-Virus

    Note: if you are prompt to log in with your Berkeley Lab Identity account, do so.

    2 Go to your download folder and open up the LBL Managed Sophos 9.9.7 for macOS folder

    3

    Open the Sophos Installer.app file

    Note: reminder, close down all other software windows as there will be a few pop-up messages during the installation and can be easily missed.

    4 Click Open

    5 Click Continue

    6 Check the box to Accept the Agreement

    7 Click Continue
    8 Type in your computer password

    9 Click Install Helper
    10 You will see the popup System Extension Blocked. Click Open Security Preferences

    11 Click the Lock icon

    12 Type in your computer password
    13 Click Unlock
    14 Click Allow
    15

    If you are prompted to restart the computer. Click Restart

    Note: reminder, make sure you save and exit all other software you have before restarting

    no image
    16 Once the computer startups, log back in. Locate Sophos Icon on the menu bar, 

    17 Click Update Now
    18 Let Sophos update, it will time some time, be patient

    19 You will see another popup for System Extension Blocked. Click Open Security Preferences

    20 Click the Lock icon to unlock it again

    21 Click Allow
    22 You will see a popup Sophos Network Extension. Click Allow

    23 You will see another popup for System Extension Blocked. Click Open Security Preferences

    24 Click the Lock icon to unlock it again if it is lock

    25 Click Allow
    26 Click the Privacy tab
    27 On the left column, look for Full Disk Access

    28

    Drag and drop the from the popup message to the rectangle 

    29

    You will see the five items added:

    • Sophos Diagnostic Utility.app
    • SophosScanAgent.app
    • com.sophos.e...ystemextension
    • SophosCleanD.app
    • SophosServceManager.app

    30 You are done and can close everything out now no image