Then, hold the fourth button from the top and press the last button once more. First, you should press the top selection button four times, and then press the very last button three times. This video demonstrates a way to hack a vending machine for change. How To:Hack a Vending Machine for Change.
All you need is a little packing tape and some paper money, then fool the machine to either get free stuff, or use the 'change' to get free money!
Check out this video from CouponCodesHero on hacking a vending machine in no time. How To:Hack a Vending Machine in 40 Seconds.The only way you can do free vends, change prices and parameters, etc, is to open the machine (using an engineer's key) and set the machine to engineers mode. Coke vending machines have a code you can enter using the vend select buttons to show how many sales have happened.2011 - Security Experts Hack Voting Machines by Remote Control 'Voting machines used by as many as a quarter of American voters heading to the polls in 2012 can be hacked with just $10.50 in parts and an 8th grade science education, according to computer science and security experts at the Vulnerability Assessment Team at Argonne National.