|Paper title: STUDY OF COMPROMISING EMISSIONS OF PS/2 KEYBOARDS BY CORRELATIVE METHODS
Author(s): XELINA-IOANA ROGNEAN, GEORGIANA ROSU, ALEXANDRU BOITAN, BOGDAN TRIP, VLAD BUTNARIU, CHAOUKI KASMI, LARS OLE FICHTE, OCTAVIAN BALTAG,
Information is a valuable asset nowadays and there is a strong interest in ensuring the security of information transmitted within
information systems. This paper focuses on the electromagnetic information leakage from PS/2 keyboards, in order to prove the
possibility of capturing and disseminating signals containing useful information by employing common laboratory equipment.
Although the PS/2 protocol is not new, it is still very common in many computer systems that are still in use, such as SCADA
(Supervisory Control and Data Acquisition) systems in the industrial domain. The experimental results were obtained with
equipment accessible to the general public - thus proving that access to such sensitive information can be attained with minimal
and low cost resources, but also with TEMPEST equipment. There is presented a novel method of capturing and reconstructing
the signal transmitted by a keyboard using PS/2 communication, with classical signal processing techniques.
Keywords: Correlation, Electromagnetic interference, Information security, Information systems, KeyboardsYear: 2020 | Tome: 65 | Issue: 1-2 | Pp.: 15-20
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