There are same crazy nerd which enjoy themself (I don't know why) to decrypt credit card data coming off of a magnetic stripe scanner: https://www.parthenonsoft

There are same crazy nerd which enjoy themself (I don't know why) to decrypt credit card data coming off of a magnetic stripe scanner: https://www.parthenonsoftware.com/blog/how-to-decrypt-magnetic-stripe-scanner-data-with-dukpt/ https://www.parthenonsoftware.com/blog/how-to-decrypt-magnet... But I agree with you, an un-encrypted reader of magnetic stripe is very easy to find or build. The security is like a door in the desert.