denyslb

The chip shown in the article most likely just something journalists found in photo stock by keywords.

Sorry, but this doesn't sound as true or there is huge mistakes done in choosing supply chain for such sensitive matter.

How come company keep ordering devices from some unverified sources from China, and after hitting a wall keep doing same?

How do you accept shipment of such devices without randomly opening and inspecting sample(yes losing all data, but electronic inspection can be done).

How you didn't investigate that with Visa/Mastercard? Whoever does that, he will lose his payment terminal certification after such incident, because they will track them down by IC serials very quickly.

What if vendor changed power supply board or even components type on it, and your momentum or weight test will make false positive?

Unless... your employer or you buy single devices, on demand, from some shady aliexpress seller. But then, it is plain suicide.