This is why you wiggle the card reader

Criminals will never get tired of this method. They place a fake card reader on the real card reader and extract all the information they need to be able to take money from your card. Most of these setups also have a camera setup, so they will see the actual code.

Potential credit card theft. Always wiggle the card reader.
Fake card reader

Skimmers will try anything

In the picture above you see that criminals created a complete fake setup of an ATM.

It continues

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WIGGLE WIGGLE