Anthropic’s Mythos puts banks on edge in rush to fix cyber risks - AFR

Companies Financial Services AI Print article James Eyers Senior Reporter Updated Apr 29, 2026 – 7.39am, first published at 5.00am Save Share Gift this article Add us as a preferred source on Google The country’s major banks are increasingly concerned about the ability of next-generation artificial intelligence models like Anthropic’s Mythos to compromise their systems, and say they are escalating their efforts to mitigate the risk that cybersecurity defences could be seriously compromised. Anthropic said earlier this month it would not publicly release Mythos, citing the cybersecurity risks given that the model is adept at identifying unknown flaws in defences, putting the entire global financial system at risk. Loading... Save Share Gift this article License article READ MORE AI Anthropic Big four Cyber warfare Cybersecurity Banking products RBA APRA Street Talk EMR’s Ravenswood gold mine speeds towards insolvency, receivership 1 hr agoSarah Thompson, Kanika Sood and Emma Rapaport Street Talk Blackstone-backed Xpansiv eyes up to $US150m as raising gets under way 1 hr agoSarah Thompson, Kanika Sood and Emma Rapaport Executive shake-up Top risk executive suddenly departs Australian Retirement Trust Apr 30, 2026Lucas Baird Earnings season Bad loan pressure to mount as bank confession season looms Apr 30, 2026James Eyers Street Talk Gribble makes his mark at Alceon with $250m private capital play Apr 30, 2026Sarah Thompson, Kanika Sood and Emma Rapaport Gillon McLachlan is betting on himself Zoe Samios The Robin Khuda effect – why billionaires are giving it all away now ‘There will be more losses’: ASIC chairman’s final word of advice Your most advanced AI users may not be as efficient as you think Patrick Durkin and Sally Patten He thought he was being asked his opinion. His answer made him a CEO What this director puts in his daily shake before hitting the gym Progress sits just outside your comfort zone, says mountain-biking MD Life & Leisure Could you go into business with your mother? How this firm is wooing the 0.1pc with its jewellery From hoodies to high tech: Self-made women join $180b list Hannah Tattersall Australia’s wealthiest come together to tackle family violence Why this pioneer of small spaces cut 2m off a swimming pool