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Commonwealth Bank deploys real-time AI fraud detection across 10M+ accounts, reducing fraud losses by an estimated 23% YoY.

Big Four banks combined AI and technology capex exceeds $2.1B in FY2026, with AI-specific allocation increasing 34% year-on-year.

CBA publishes first standalone AI Ethics and Governance Report covering 47 production AI systems and their accountability owners.

ANZ launches AI-powered mortgage pre-approval engine cutting decision time from 5 days to under 4 hours for standard applications.

Three of the Big Four publish updated AI risk frameworks citing APRA CPG 234 alignment — model risk management now board-level agenda.

Westpac establishes AU$150M AI Centre of Excellence in Sydney, targeting 400 specialist hires by end of CY2027.

ANZ confirms multi-year Microsoft Azure OpenAI partnership for wholesale banking transformation — deal value undisclosed.

One major bank discloses automated lending decision error affecting ~1,200 customers — remediated within 14 days, NDB notification filed.

ANZ faces ASIC inquiry into AI-driven mortgage affordability scoring after complaints of demographic bias in regional postcodes.

NAB's AI-powered virtual banker handles 2.4M customer interactions per month with 87% self-resolution rate — up from 61% in Q1 2025.

ASIC opens formal review into AI-assisted credit scoring practices at two mid-tier banks following consumer advocacy group complaint.