A couple of German software developers discovered an
oversight in McDonalds’ promotion systems that allowed them to get as many
hamburgers as they wanted, without paying anything.
While software vulnerabilities or loopholes are sometimes
used for nefarious purposes, that’s not always the case. The same can be said of
white hackers and software developers who want to make the online world a safer
McDonald’s has a promotions systems that offers rewards
for some orders, which is not out of the ordinary. But, according to a Vice report,
a couple of developers found the code behind the promotion system could be
exploited in a way that would allow them to get pretty much anything from the
Their first attempt was in Berlin. They generated a €17
voucher, placed an online order, and got the OK. The two developers didn’t want
to pick it up initially, but they eventually went to the store and explained
the situation. Surprisingly, the manager said that they should take the order.
They tried again, in another restaurant, in Hamburg, for 15 burgers, and it
worked. But they notified the manager and canceled the order before it was prepared.
Eventually, they contacted customer service in an attempt
to notify the company about the hack, but that didn’t work. Vice contacted
McDonald’s on behalf of the two developers, but the company didn’t acknowledge
the problem. The problem was ultimately fixed, and the developers even received
a reward from McDonald’s for their efforts.