However over time, during the execution of the safety tests, either because new types of vulnerabilities appear, which have to be analysed, or because changes are made in the infrastructure of the client resulting in the change of the client’s service context, manifestations of tensions emerge which lead to blockage. This blockage is manifested by deadlocks in which the client does not recognize vulnerabilities as such, or because the testing team does not recognize that these have been solved, or finally because there is no agreement on the new testing coverage.