AbstractServiceOrientedArchitecture(SOA)isoneofthemostpopularconceptstoimplementcomputingsystems.Howeveritfacesmanychallengestosecurityandmanystandardsandframeworkscomeouttosupportit.WefocusespeciallyontheaccesscontrolsystemusingSOAandrepresentwhataretheSAMLandXACMLandhowtheyare