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-3
votes
0answers
47 views

How are hardware anti tamper mechanism usually defeated? [closed]

What are the commons attacks used to compromise/defeats/bypass hardware anti tampering mechanisms ? With anti-tampering mechanism I mean all the mechanism deployed in: box board chips used to ...
2
votes
3answers
41 views

is there a way to indirectly uncharge rapidly a coin cell to defeat an anti tampering mechanism?

An anti tampering mechanism of a device relay on detect tampering mechanism when the device is powered down using the energy provided internally by a coin cell. Is there a way to uncharge rapidly a ...
2
votes
2answers
424 views

Protecting hidden form fields

The scenario is as follows: An application has a web interface through which data can be configured. The data to consider for this question is Users with a many-to-many relationship with Groups. ...
9
votes
1answer
195 views

Physical security - responsible disclosure

I recently discovered a way to bypass a commonly used security seal system, requiring no special equipment and taking only a matter of seconds. I feel obliged to disclose this, so as to avoid the ...
0
votes
6answers
105 views

If I want to protect a string from modification, is it enough to salt and hash it?

There is a particular string (URL) that I need to send from my webserver to the browser. The browser will need to inspect the string and later send it back unmodified (aka request the resource that ...
6
votes
2answers
307 views

Is there any Linux distro or kernel patch that wipes a process memory space after the process exits?

An application runs on an embedded battery-powered PC, accessible to some restricted public, that stores secrets in RAM. To prevent cold boot attacks and that the PC is stolen to extract its secrets, ...
7
votes
2answers
456 views

How does one evaluate tamper-resistant envelopes/packaging?

In contrast to digital cryptographic algorithms and protocols where many qualified high-IQ individuals dig into the details and specifics, physical tamper resistance for low-tech packages is not ...