NAB Nexus has brought together the bank’s “frontline responders” from each area into one core team to assist the bank in identifying threats and cyber risks in real time, according to CEO Andrew Irvine.
“AI is going to do a lot of great things for how we live and how we work, but at the same time, AI is also going to help criminals and their threats much faster than when it was a human-only environment,” he said.
“We know that we need to keep our customers’ money and data safe, and that’s what we intend to do. We’re better when we work together. To mitigate this threat, it must be a team sport.”
NAB Nexus will operate 24/7 and is designed to assist the bank in staying ahead of AI-powered threats and ensure customers remain safe and critical services remain operational.
NAB chief security officer Sandro Bucchianeri said that intelligence sharing across different areas was critical, as threats don’t usually “sit neatly in one box”, and that collaboration would help better identify and prevent threats.
“A scam attempt, fraud event, cyber incident or payments issue can quickly intersect. At the same time, new technologies like AI are lowering the barrier for criminals to operate at scale,” he said.
“NAB Nexus gives us a more connected way to see what is happening, make decisions faster and act earlier to help protect customers and keep the bank safe.”
This comes as the Australian Signals Directorate (ASD) continues to warn Australia that cyber crime is a growing problem, with AI lowering the barrier to entry for scammers and threat actors.
In FY2024–25 alone, the ASD received over 84,700 cyber crime reports, while scam losses reached $2.18 billion in 2025.
Critical infrastructure, such as water and power providers and banks, is a particularly attractive target for criminals, as they can completely lock down and pressure entire populations of cities and towns.
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