'Employing sneaks to find the loopholes'. BA did in fact do this a number of years ago and deployed the staff throughout the UK not being permitted to inspect overseas overtly. Their findings were unpalitable to BA senior management and to many of the UK airport authorities and were often in contrast to the tests undertaken by the then DoT Transport Inspectors. Frankly the former were able to gain access with little difficulty. However, the Uk secuity is still far superior and effective than the US and EU. Africa and the Indian sub continent do not have the financial resource.
Whatever the outcome of these failures I am sure that most readers of the thread are all to aware of the systems failings. The only safe and secure method is not to fly the aircraft. Incidents such as these will always occur and little is mentioned of the sucesses that must happen ?