A computer-readable, non-transitory medium recording an access control data editing support program for causing a computer to implement a procedure. The procedure includes changing log information containing a record having an authorization result of first access authorization determined based on access control data and a content utilized for determining the first access authorization every time an access agent accesses an access target, and changing the access control data based on the changed log information, and determining second access authorization by applying the changed access control data to the content utilized for determining the first access authorization indicated by the log information and generating determination result information containing an authorization result of the second access authorization and a content utilized for determining the second access authorization.