In February 2011, Dan Saunders, a 29-year-old bartender from Wangaratta, Australia, accidentally discovered a major flaw in the National Australia Bank (NAB) network during a late-night run to an ATM.
While trying to transfer money from his credit card to his savings account to cover a bar tab, the machine threw an error message, yet still dispensed the cash. Saunders quickly realized that between midnight and 1:00 AM, when the bank’s ATMs went offline for routine nightly system maintenance, the machines could not verify account balances against the central database. By executing transfers during this window, the system recorded the credit on paper without deducting real funds, giving him access to an endless supply of cash.
Over the next four and a half months, Saunders went on a wild, high-rolling spree, spending roughly $1.6 million AUD of the bank's money. He transformed into an overnight playboy, chartering private jets, hosting extravagant parties, staying in five-star hotels across Australia and Europe, buying high-end cars, and paying off his friends' tuition and bar tabs. However, the lavish lifestyle was accompanied by immense guilt and paranoia; Saunders later admitted he suffered frequent panic attacks and nightmares, constantly expecting the police to burst through his hotel room doors.
By June 2011, overwhelmed by anxiety, Saunders voluntarily stopped withdrawing cash and called NAB to confess. Bizarrely, the bank told him the matter was under police investigation and refused to meet with him, leaving him in legal limbo for years.
Seeking closure, Saunders took his story to Australian national television in 2013.
He was finally arrested in 2015, pleaded guilty to over 100 counts of obtaining financial advantage by deception, and served one year in prison (along with a community correction order) before quietly returning to his former life as a bartender.
