In 2008, Boston’s transit authority sued to stop MIT hackers from presenting at the Defcon hacker conference on how to get free subway rides. Today, four teens picked up where they left off.
I knew someone who worked at a company that handled e-payments for a certain service (purposefully being vague). They’re system functioned similar-ish to what you describe, but it also checked the amount on the card with the amount on a database, and also kept a history both on the card and on the database. If they all didn’t match up, they knew there was some tampering going on.
I knew someone who worked at a company that handled e-payments for a certain service (purposefully being vague). They’re system functioned similar-ish to what you describe, but it also checked the amount on the card with the amount on a database, and also kept a history both on the card and on the database. If they all didn’t match up, they knew there was some tampering going on.