Payment problems at the NAB for 2 days

For 2 days the National Australia Bank has had problems processing customer payments and transactions, causing delays to EFTPOS, ATM and other electronic payments.

Source: http://www.dynamicbusiness.com.au/articles/articles-finance-cash-flow/nab-electronic-payment-problems-eftpos-update-2248.html

A follow up similar failure occurred on the 8th Dec but for only about 1 hour of service disruption. See http://www.computerworld.com.au/article/370720/nab_electronic_banking_woes_strike_again/?eid=-6787&uid=19517