a.akamaihd.net how to get rid of it

macOS/Safari

 1. Remove Adware

     Run  the latest release of Malwarebytes for Mac to remove malware/adware, if installed on your Mac.

     For instructions:  Install Malwarebytes for Mac          Uninstall Malwarebytes for Mac

     Click the “Scan Now” button. Once done, quit Malwarebytes for Mac.

     Restart the computer and relaunch Safari holding the shift key down.

     Repeat the scan couple of times.

 2. Additional steps

  1. Remove unknown extensions:  Safari > Preferences > Extensions

      https://support.apple.com/guide/safari/use-safari-extensions-sfri32508/mac

  2. Reset search engine:    https://support.apple.com/guide/safari/customize-your-search-ibrwe75c2a3c/mac

   3. Set Homepage

Section: If Safari's Homepage is stuck

https://forums.malwarebytes.com/topic/236261-how-to-remove-the-after-effects-of-adware/

If you are looking to uninstall Akamaihd.net from Mac:

Go to the Preferences tab in Safari (or any other Mac browser).

Check the Homepage tab. Make sure that your homepage is the one you have selected.

Now go to the Extensions tab.

Look for the Akamaihd.net extension as well as any other suspicious entries.

Uninstall the Akamaihd.net extension and any other unfamiliar ones.