Hacking with the hardware component (Raspberry Pi, Rubber Ducky, etc). As well as phreaking, electronics and amateur radio. Schemes, programs, firmware, wiretapping and substitution of numbers will go under this prefix
Who has not seen, I advise you to pay attention to the product. Expanded manuals on YouTube. Applicant for the Radio OS Award 2020. I found the Universal Radio Hacker especially interesting.
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