what is the best security package for a MacBook Air (MacOS Cataline version 10.15.4))

0419Mac wrote:

What is the best security package for a MacBook Air?

ref: macOS - Security - Apple https://www.apple.com/macos/security/

Any antivirus app you install is not needed and will likely cause many problems, so don't install any of them. The Mac OS can not be infected with any virus because its operating system is "read only" and can not be changed or infested.

Effective defenses against malware and ot… - Apple Community

The one you don't install.