Microsoft Defender will log scans and you may use some scripting and reviewing event viewer to see status of scan. However, in case you are using Microsoft Endpoint Manager (Intune or Configuration Manager) or Microsoft 365 Defender and Microsoft Defender for Endpoint and in the reporting dashboard , where you have a report of scanning and detection.
Scan report for defender
Naga Venkatesh Jujjavarapu
1
Reputation point
How can we know that defender scanned a particular machine and when was the last scan