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Questions tagged [signal-analysis]

Signal-analysis is a side-channel attack that involves identifying information in electromagnetic signals emitted from a system.

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What buses carrying sensitive information on a running computer are vulnerable to sniffing?

Has there been any research on what buses in a computer can be analyzed while they are live, without rebooting the system to insert a proxy device? For example, I imagine I2C would be very easy to ...
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Is it possible detect a device using a 3G connection?

Someone has a hidden smartphone and are using the internet in a 3G connection. Can I find where is he? Maybe using a signal detector. find who is he? Maybe know the MAC number. just find if someone ...