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Questions tagged [physical]

The use of physical measures (such as locks and tamper-proofing) or policies (such as Clean Desk) in order to protect sensitive information from unauthorized access.

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Environmentally friendly ways to destroy hard drives

The best method to prevent others from reading the data on hard drives is to destroy the drives physically: a sledgehammer is a cheap and effective tool to prevent the data from being read again. ...
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Protecting data on an embedded device

I am to release a system-on-chip device that, during its lifetime, will come to store sensitive data. I want to make that data hard to extract or duplicate. Encrypting is good for dealing with MiTM, ...
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Requiring hardware key at boot-up on normal laptop

I am sure that a question like this already exists and has probably been answered. I just couldn't find any results (probably due to my inability to word my question correctly). We use laptops at ...
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2answers
122 views

Is there a cryptographic function that generates a reconizable visual pattern?

I have to build a system that will ultimately print a pass allowing access to a building. The validation of this ticket will be done manually (it can also be automatic but that's not likely at this ...
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2answers
295 views

Is PIN affective security for credit cards considering it's not always needed?

This question asked about how having a PIN is safer than signing the receipt when doing a credit card transaction (personally the question makes no sense to me as it's just a scientific fact that a ...
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5answers
2k views

Why do most cars use physical keys and no PIN?

Why do car makers rely on physical start keys, which can be stolen by home burglars and then used to start the vehicle? Why don't they use more secure methods such as a personal PIN, or a pin code to ...