Teens Hacked Boston Subway’s CharlieCard to Get Infinite Free Rides—and This Time Nobody Got Sued

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...

Hacking Boston’s CharlieCard

Interesting discussion of vulnerabilities and exploits against Bostons CharlieCard...