Like some of the Apple Heads say, the Mac doesn't need any 3rd party security software installed. I'll keep Malwarebytes Premium for Mac and Malwarebytes Browser Guard installed for that extra layer of protection.
@ronjor -- Thanks for the "heads up." I'm using Kaspersky for Mac. So far, my Mac is a virgin. P.S. I hope that the Texas freeze-over didn't impact you too heavily.
From Red Canary's original blog post, which has a lot of detailed information... Clipping Silver Sparrow’s wings: Outing macOS malware before it takes flight February 18, 2021 Also, from MacRumors... Apple Takes Step to Prevent Further Spread of 'Silver Sparrow' Malware on Macs February 22, 2021