Compromising rays
Since decades international
secret services employ the technique of intercepting compromising rays emitted by
electronical devices such as PCs and monitors. Many meters and even walls may separate the
listener and the computer from which the monitor picture can be reproduced. Only few users
are aware of this danger.
The most widely used defense against this kind of eavesdropping are expensive specially build computers that notably decrease the intensity of emitted rays. These aluminium covered computer are far more expensive than their unshielded counterparts and must be permanently maintained. These computers are often referred as TEMPEST-secure (TEMPEST: Transient Electromagnetic Pulse Emanation Standard). Some manufacturers that offer this kind of hardware are suspected to share their customer data with secret service organizations.
Other countermeasures are emission proof tents and specialized disruptive transmitters.
Together with our partner the University of Cambridge (Great Britain) we offer you the possibility to defuse these compromising emission by means of software ("Soft-Tempest"). The newly designed text editor Steganos II Zero Emission Pad is the world's first Windows editor to support the emission defusing display (patent pending GB 9801745.2).
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