Under Windows 10 Pro, Version 2004, Build 19041.572, 64-bit, I still have Windows Security Notification icon included in the list of icons in Settings, Select which icons appear on the taskbar.
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Brian - Windows 10 Pro, 64-Bit, Version 2004, Build 19041
A man's worst difficulties begin when he is able to do as he likes.
~ Thomas H. Huxley (1876)