Re: Recognising (or not) QR codes

Stefan Ram, 2025-07-04 20:30:

Marion <marion@facts.com> wrote or quoted:

To them, if one QR code is malicious, all QR codes are malicious.

 
  If just one QR code out of a hundred is bad, that means you
  have a one percent shot at running into a malicious one.

What is a "malicious QR code"? The same as a "malicious link"?

Well - if you get a phishing mail which contains a link which claims to
bring you to your online banking account, you should not trust that, of
course.

But does this means, that links in general are malicious?

  Security is all about checking everything in a group, since
  you never know which ones might be sketchy. Like, here in
  Berlin, if you show up to a concert with a bag, some guy is
  going to look through it. Even if hardly any bags have anything
  they shouldn't, they still have to check every single one.

This is not only the case in Berlin but most likely in *every* big
concert where they have higher security.



--
Arno Welzel
https://arnowelzel.de