this post was submitted on 25 Oct 2023
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Privacy

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How do I learn more about using RF to improve my privacy? (lemmy.world)
submitted 1 year ago* (last edited 1 year ago) by [email protected] to c/[email protected]
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Hi, I have been having a look at utilising RF and trying to understand how every device around me emits RF.

I recently came across RTL-SDR and HackRF, alongside software like SDR++, TempestSDR, gqrx etc. I know that I can spy on my monitor and record keyboard keys being pressed using RF, but what are some other ways I should be looking at to exploit my digital vulnerabilities, and trying to solve such problems?

Thanks!

Edit: I'm well aware that nothing I'm doing is that interesting to security agencies across the globe. With that said, I'm interested in maintaining my privacy, and this happens to be an avenue I find interesting. Any suggestions on how I can look to do so would be greatly appreciated!

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[–] [email protected] 4 points 1 year ago (1 children)

I came off as pretty aggressive, so I apologize. I’ve been interested in this field for a while and I am still an amateur in most aspects. This isn’t really an area that’s intuitive or easy to pick up for most people.

You’ve come out of the gate swinging. It’s technically possible for people to do the things you’re exploring… but the same people who are publishing these techniques and concepts are professionals. They may not have formal education in computer science, but they have the experience.

Spend time going over things like DEFCON presentations. Sharpen your coding skills. Vacuum up free courseware from sources like MIT.

You can probably pick up “normal” RF with a cheap SDR antenna setup, but then what? You are stuck with some waves and no idea what to do with them. Are you picking up intentional Bluetooth? How would you recognize Bluetooth that’s frequency hopping? Looking at RF waveforms for modern communications is absolutely ugly and tedious.

There’s so much to learn. You need to pick one topic and dig in. All of these things have much more depth than we can explain over lemmy.

[–] [email protected] 2 points 1 year ago (1 children)

Thank you for the comment. I did start watching DefCon presentations (and would like to visit in person someday!), and have been interested in RF hacking/ hardware hacking for a while now - just didn't explore it well enough.

Now that you mention it, I do want to pick up Bluetooth and other signals that devices give out. The eventual aim is to be skilled enough to run a personal honeypot and experiment with different protocols.

Thanks, I'll begin going over some coursework too. Your help is much appreciated!

[–] [email protected] 2 points 1 year ago (1 children)

Honeypots have gotten really weird lately. Anti-honeypot (along with anti-VM and anti-debugging) techniques and methods are more common than ever. I think something like 80% of all APT-level malware from the past 5 years use these techniques

[–] [email protected] 2 points 1 year ago* (last edited 1 year ago)

I see. That might not be such a good idea then. Thanks for pointing that out