Operation security system for telecommunication network e.g. Internet, has platform to supply temporary identification code to client where platform verifies that code presented by client is not permanent identification code

摘要

The system has a client (10) with a permanent identification code where the client presents an identification code to an operator (20). A platform (30) supplies a temporary identification code on request to the client. The platform verifies that the code presented by the client is not a permanent identification code. The platform supplies a validation of temporary identification code presented by the client to the operator.