3.8.
CONFIDENTIAL
Sunda
UK EYES A
provision
involvement
of
a
by
vulnerability
theoretically
separate socket.
is
Because of the Hong Kong based technicians in the maintenance of the Government House systems, the
to a technical attack via the telephone high. However, the resident TSO is trained to carry out technical security checks on telephone systems and is expected to examine all telephone instruments installed in the sensitive areas on a regular basis. On the assumption that these checks are carried out as required, the practical vulnerability is
as LOW.
assessed
The grounds of Government House are guarded by a detachment of the Hong Kong Police. There are also TSD installed Mk 5888 intruder detector systems which protect the Governor's Study and the Communications Centre. vulnerability to a covert entry into this area by a HOIS is assessed as LOW.
The
4.
4.1.
The Assets
is understood that the strong room in Government House contains Secret (including UK Secret) material, and UK cypher key material is held in the Communications Centre.
It
5.
5.1.
Conclusions and Overall Assessment
Because of this the threat of a
vulnerability
attack
of
is
taking
technical attack is assessed as MEDIUM. However, because of countermeasures in place the Government House to all forms of technical attack assessed
LOW and the risk of such an place is assessed equally as LOW.
as
THIS IS A COPY THE ORIGINAL HAS BEEN CLOSED UNDER
Branch E, TSD
29 July 1992
FOI EXEMPTION NO.
•27(!).
-
CONFIDENTIAL UK EYES A