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Cake day: June 18th, 2023

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  • As always with attacks of this kind, it requires the air-gapped network to be first compromised through other means – such as a rogue insider, poisoned USB drives, or a supply chain attack – thereby allowing the malware to trigger the covert data exfiltration channel.

    This goes on the list with other attacks that are interesting in an academic sense but highly impractical for real-world attacks, like Van Eck phreaking.

    You have to deploy the malware that manipulates the RAM to get it to create the radio signal on the target system, and since we’re talking about an air-gapped system that means you have to be in the room with it already.

    This article is light on specifics, but a RAM board is not an efficient radio antenna and it operates at 3-5v, so the transmission can’t be very strong. The receiver will have to be nearby, and in a relatively noise-free radio environment. Electrical wiring in the walls would mess with the signal transmission, the wall material might just block it, and if the target system is in a metal case that’s electrically grounded (which is normal for desktops and servers) I doubt the signal would get out of it. My guess is that the receiving antenna would need to be in the same room.


















  • Are friends necessary, or not really?

    Unless you are independently wealthy, you will need the support of other people in your life. This is not avoidable - you must learn to live and work with other humans, and hopefully also enjoy their company.

    The good news is that social skills are a thing that you can learn like any other skill. There are books about it, but the trouble with that is (1) advice in the book is cultural context dependent, and therefore most applicable in the time and place where the book was written, and (2) reading a book is an inherently non-social activity, and therefore not really contributing to developing the skill.

    The best way to learn social skills is through observation and practice - which means that you will have to put yourself in situations that feel uncomfortable, until you learn enough that you become comfortable. This is a lot like learning to ride a bike - you feel clumsy, unsteady and slow at first but if you keep doing it you learn to stay balanced, and eventually it feels natural. You have to push yourself past the point of discomfort.