MinIO AIStor Object Locking (“Object Retention”) enforces Write-Once Read-Many (WORM) immutability to protect versioned objects from deletion. MinIO AIStor supports both duration based object retention and indefinite legal hold retention. MinIO AIStor Object Locking provides key data retention compliance and meets SEC17a-4(f), FINRA 4511(C), and CFTC 1.31(c)-(d) requirements as per Cohasset Associates. Overview