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Mastercard System Update Causes Payment Declines for Australian Shoppers

A Mastercard system update has led to widespread payment declines for shoppers in Australia, affecting various services.

15 August 2026Tagblick Newsdesk

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Archive photo: Mastercard System Update Causes Payment Declines for Australian Shoppers — Archive photoPhoto: SouthendCC · Flickr · CC0

Card payments for shoppers across Australia were declined on Saturday due to a global outage caused by a scheduled systems update from Mastercard. The multinational card provider confirmed this issue, which has disrupted transactions for many users.

According to reports from Down Detector, numerous outages were noted not only for Mastercard but also for associated services including the Commonwealth Bank, ApplePay, and Westpac. Thousands of users reported problems accessing these payment systems, highlighting the extent of the disruption across the country.

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