The Commonwealth Bank of Australia’s web banking operation, NetBank, suffered multiple outages in late June as the bank grappled with spikes in phishing activity and a possible “denial of service” attack by hackers.


NetBank CEO Micahel Harte said the bank took the site offline when performance issues affected service. He also said the bank hasn’t ruled out a denial of service attack, and is investigating whether recent service glitches are the result of a new form of attack. According to online forums, these customer glitches have included missing recent account transactional data. CBA’s online bank has been targeted by a rash of phishing activity following the introduction of a major upgrade that was unveiled during the past month.

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