AdvertisementExclusive BusinessCompaniesConsumer safety Mastercard’s ‘reverse ATM’ stunt comes with a hidden risk Elias Visontay January 29, 2026 — 4:00am Save You have reached your maximum number of saved items. Mastercard’s cash-to-card vending machines at this year’s Australian Open. AdvertisementMastercard’s cash-to-card vending machines at this year’s Australian Open. Mastercard has contracted staff to stand near the vending machines and watch for any suspicious activity; the machines are also monitored by CCTV. However, on numerous occasions throughout the Australian Open, the machines have not been attended by staff in person.