Yes, Mac does have built-in antivirus. MacOS includes XProtect, an antivirus technology that is automatically updated with known threats, separately from operating system updates.
Does Mac have built in virus protection?
Does Apple have a virus scan?
macOS includes built-in antivirus technology called XProtect for the signature-based detection and removal of malware. The system uses YARA signatures, a tool used to conduct signature-based detection of malware, which Apple updates regularly.
