||<p>Sir Simon McDonald, Permanent Under Secretary at the Foreign and Commonwealth Office
(FCO) gave evidence to the Foreign Affairs Committee on 10 July on the recent leak
of classified information official documents, which covered Diplomatic Telegrams.
Formal correspondence from diplomats, including these, is marked either OFFICIAL,
OFFICIAL SENSITIVE or SECRET in line with government policy.</p><p>We use the Cabinet
Office Government Security Classification policy as a guide to classifying all FCO
information and its subsequent handling. We are confident we have good security systems.
Nevertheless we are reviewing how they are functioning in light of recent events.
The new cross-government SECRET system developed by the Cabinet Office now also provides
enhanced secure communication in the majority of our posts around the world and across