The EFIgy Threat:

Macs are highly secure out of the box, but they are absolutely not immune to cyber threats. While Apple’s proprietary hardware and UNIX-based architecture make macOS inherently more difficult to exploit than Windows, Mac-targeted malware and social engineering tactics are steadily rising. Apple’s Built-In Security Framework

Apple uses a multi-layered defensive strategy to protect your device without needing heavy third-party antivirus software: Protect your Mac from malware – Apple Support