for my job qr is important. in special siemens devices offer qr to get quick details and more. and we use qr for stickers on our products. we dont care if customers wont use them, but we offer it and our customers are pro's (industry). for any other my personal usage is limited.
In carparks in several parts of the UK there is a lot of concern because of the amount of people who were being scammed by the 'false' QR stickers which had been stuck over the top of the real ones. https://www.google.com/search?q=qr car stickers scam in car parks in uk
I never really thought about this subject that much, because I almost never use QR codes on my mobile phone. But good to know that this has created yet another attack vector for hackers.
On work i received a mail not to use unknown QR or unknown or unsecure sources. with an example for ms authenticator. i did not use it although i have it installed.
I've posted this before but this is my go to for why I'm not fond of QR codes. Heinz QR porn code too saucy for ketchup customer - BBC News
Oh yes, forgot about this one. I believe there was also another similar case, can't remember it anymore.
https://www.techradar.com/pro/paw-patrol-snacks-withdrawn-after-hackers-hijack-qr-code-to-show-porn I think they had the same problem for school backpacks for children (but can't find a link for it atm).
