For those of you who have been using Sophos Home Free as their preferred app for protection against viruses, malware and hackers, it is now available for Big Sur - even the M1 machines.
https://home.sophos.com/en-us/download-mac-anti-virus.aspx
The comparable Sophos Home for Mobile in the App Store requires a Sophos Premium account. But ...
The free Sophos Intercept X for iOS and iPadOS is in the App Store. This app contains many features, such as Wi-Fi security, Secure QR code scanner, Authenticator, and Password Safe.
If you don’t already have a Sophos account, there’s no charge and no pain in creating one. With a Sophos account, you can monitor all of your devices with a browser from anywhere.
And there is a free Sophos XG Firewall for home users - but it runs on a dedicated computer. Perfect if you have an old spare computer.
https://www.sophos.com/en-us/products/free-tools/sophos-xg-firewall-home-edition.aspx
John R Carter Sr