Jul 27, 2026 – 5.00am

When the board of the Commonwealth Bank meets in a fortnight to sign off on its full-year results, cybersecurity will be right at the top of the agenda. That’s where it will be when its major rivals call their own board meetings in coming weeks.

How the country’s biggest financial institutions confront the threat that their systems will be compromised by criminals turbocharged with artificial intelligence is no longer a second tier problem. It is becoming the defining challenge of the year ahead.

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