opsec

If the police ever have physical access to an electronic device like a laptop, even for five minutes, they can install hardware keyloggers, create images of the storage media, or otherwise trivially compromise it at the hardware, firmware, or software level. One way to minimize this risk is to make devices tamper-evident. As the Threat Library notes, "Tamper-evident preparation is the process of taking precautionary measures to make it possible to detect when something has been physically accessed by an adversary."

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