This was a civil aircraft, Type Certificated by the civil regulator:
http://www.easa.europa.eu/system/fil...4-17072013.pdf
This was not a military accident deserving of secrecy because it might give a foe advantage on the battlefield. It was crewed by civilian employees of the manufacturer's flight test organisation. Deference to those individuals on ths forum who may have personal connections with the unfortunate crew members should always be respected when there is an accident. However, respect does not warrant a blanket prohibition on discussion of the technicalities.
This is a civil industrial accident with potentially significant implications for aircraft design, manufacture and quality assurance. Secrecy can only feed unfounded speculation. Continued secrecy can only lead to more tears.