In June 2021, the National Security Agency (NSA) released comprehensive documents describing the four attack planes of a communications system – the network, perimeter, session controllers and endpoints – and explaining security risks and mitigation techniques for each of them.
In June 2021 the National Security Agency (NSA) released comprehensive documents describing the four attack planes of a communications system – the network perimeter session controllers and endpoints – and explaining security risks and mitigation techniques for each of them