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2010 IEEE International Symposium on Electromagnetic Compatibility
Computer keyboards are often used to transmit confidential data such as passwords. Since they contain electronic components, keyboards eventually emit electromagnetic waves. These emanations could reveal sensitive information such as keystrokes. The technique generally used to detect compromising emanations is based on a wide-band receiver, tuned on a specific frequency. However, this method may not be optimal since a significant amount of information is lost during the signal acquisition. Ourdoi:10.1109/isemc.2010.5711257 fatcat:ngwrm3yklbfq3ma274s7htz7eq