It is lack of proper supervision of sensitive data that's the issue. I know the in the UK team leaders and those with access to data on the phone network have

It is lack of proper supervision of sensitive data that's the issue. I know the in the UK team leaders and those with access to data on the phone network have to be PV vetted - that the same as TS clearance in the USA. After all you don't want some one looking up the queens private number or details of GCHQ's private circuits.