Police control of classified information

[Ian Batten]

>>
>> It was a bundle of papers, and whatever we would like to think  
>> about the
>> advantage of a paperless office, it's a fantasy at the present  
>> level of
>> technology and that sort of environment. I presume you'd want him to
>> pass the laptop round the room for people to read the document -
>> ridiculous!
>
> So you're telling me that Downing Street doesn't have LCD projectors
> and screens and some form of AV display kit with xVGA inputs?

I have no way to know, but I would rather hope that connecting laptops  
which contain data at SECRET to random pieces of equipment, especially  
while the laptop is running and has keymat loaded, is somewhat frowned  
on.  Indeed, I would hope that laptops cleared to that sort of level  
actively dissuaded one from doing so.  Printers, projectors, USB disk  
drives...all of them are routes for data leakage.

Moreover, xVGA cables (as opposed to DVI cables) are if memory serves  
analogue, and not particularly well shielded.  If you wanted to  
encourage a bit of TEMPEST trouble, a thirty foot cable running down  
through the floor, up the wall and into the ceiling is a pretty good  
transmitter.

ian