A place to discuss privacy and freedom in the digital world.
Privacy has become a very important issue in modern society, with companies and governments constantly abusing their power, more and more people are waking up to the importance of digital privacy.
In this community everyone is welcome to post links and discuss topics related to privacy.
Some Rules
- Posting a link to a website containing tracking isn’t great, if contents of the website are behind a paywall maybe copy them into the post
- Don’t promote proprietary software
- Try to keep things on topic
- If you have a question, please try searching for previous discussions, maybe it has already been answered
- Reposts are fine, but should have at least a couple of weeks in between so that the post can reach a new audience
- Be nice :)
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Cool but I wouldnt exactly trust a random qr code
I may have in the past put lyrics from “Never Gonna You Up” or links to the music video on YouTube in QR codes I printed on blank business cards and left them in public places around town.
You should a tracking link that has been shortened
You could still enter the URL manually if you are concerned.
QR codes essentially just encode text, as long as you’re using a sensible QR code reader and check any URLs before opening them there’s minimal risk to scanning a QR code.
Well not really, it’s a good way to do a IDN homograph attack
I still wouldn’t trust it because of homograph attacks.
Oh is that like bankofarnerica.com or whatever, hoping the r and n look enough like an m for at least some people to click?
edit: under absolutely no circumstances click on the above link. Your bank will be robbed and your foreskin soldered shut. To very don’t.
That’s fair
Or xss/sqli/etc attacks on vulnerable sites that don’t sanitize url query parameters
Or maybe a fraudulent signal app.
I mean, generally speaking, just don’t click on random links. This is a random link. Qr codes are valuable but we’re conditioning society to just be cool with clicking on random shit without putting much thought into it.
Respectfully I think this is a minimal attack vector in this case due to the limited character set of urls. But thanks for the callout, I didn’t know there was a name for this sort of attack.
Punycode enables you to encode any Unicode character as ASCII. Almost all browsers support this.
Modern browsers happily show you the actual characters, while sending their encoded entities to the server. So, from a user perspective there is no ASCII limitation. Case in point: söhne.at (just some random website, I have no idea what they are or if they are legitimate)
They’d still resolve via DNS to an address in ASCII though, right? Wouldn’t that only be an issue if ICANN didn’t have a monopoly on DNS registration? i.e what we already depend on for a semblance of convenience without totally compromising opsec
It utilizes punycode under the hood. The actual DNS entries still use ASCII.