FIELD: information security.
SUBSTANCE: invention relates to the field of protection of information from leaking through technical channels and can be used to protect information from leaking through an optoelectronic channel from a room through window glass. The technical result is achieved by covering the entire area of the window glass with a film of a transparent conductive material and applying a noise-like voltage.
EFFECT: increase in the effectiveness of technical means of protecting information, reduction in the unmasking features of the protected room.
1 cl, 1 dwg
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