username,full_name,email,department,password,must_change_password,roles
admin,관리자,admin@itcenter.local,IT운영팀,ChangeMe123!,true,ADMIN
security,보안담당,security@itcenter.local,보안팀,ChangeMe123!,true,SECURITY
host,홍길동,host@itcenter.local,개발1팀,ChangeMe123!,true,HOST