SAP Security Patch Day - January 2022
SAP Security Patch Day - February 2022
March 2022: https://dam.sap.com/mac/app/e/pdf/preview/embed/ucQrx6G?ltr=a&rc=10
At any time you get the full list of new or changed security notes here:
https://support.sap.com/securitynotes -> Access to SAP security notes
https://support.sap.com/notes -> Expert search with Released on (free) = One day after previous PatchDay and Document type = "SAP Security Notes"