Check whether your Mac is up to date automatically. Covers firmware, security settings and data files, and now checks macOS malware scans.
anchor apple generic and identifier "co.eclecticlight.SilentKnight" and (certificate leaf[field.1.2.840.113635.100.6.1.9] /* exists */ or certificate 1[field.1.2.840.113635.100.6.2.6] /* exists */ and certificate leaf[field.1.2.840.113635.100.6.1.13] /* exists */ and certificate leaf[subject.OU] = QWY4LRW926)