NAB (ASX:NAB) Fined $751k for Consumer Data Right Breaches

June 19, 2025 11:02 AM AEST | By Team Kalkine Media
 NAB (ASX:NAB) Fined $751k for Consumer Data Right Breaches
Image source: shutterstock

Highlights 

  • NAB faces $751k penalty over data disclosure issues 
  • Regulator flags concerns over CDR data accuracy 
  • Largest penalty under current CDR rules 

National Australia Bank (ASX:NAB), one of the leading ASX200 stocks, has come under scrutiny after the Australian Competition and Consumer Commission (ACCC) imposed a significant penalty for alleged breaches of the Consumer Data Right (CDR) framework. 

A Record-Setting Fine 

The ACCC issued four infringement notices to NAB, citing failures in properly sharing credit card limit information as required by CDR rules. This resulted in a financial penalty of $751,200—an amount described by the ACCC as the largest payment made so far for alleged contraventions of the CDR regime. At the time of the alleged incidents, the penalty per notice for a listed company stood at $187,800. Since then, the fixed penalty has risen to $198,000 as of 7 November 2024. 

What Went Wrong? 

According to the ACCC, the infringement notices were issued over NAB’s failure to either disclose or correctly disclose credit card limit data in response to requests from four different CDR-accredited providers. These requests were made on behalf of customers looking to access or compare financial products using authorized data-sharing services. 

These shortcomings directly impacted several fintech platforms, especially those providing digital tools for mortgage and financial comparison services. The inability to access complete and accurate data limited the efficiency of these services, which rely heavily on CDR frameworks to function seamlessly. 

NAB has since addressed the identified data quality concerns, according to the regulator. However, it is worth noting that NAB’s payment of the fine is not an admission of guilt or liability regarding the breaches. 

Implications for Consumers and CDR Services 

The ACCC highlighted that inaccurate or missing data can significantly hinder the intended benefits of the Consumer Data Right. These include helping consumers make more informed financial decisions, switch products effectively, or find better deals by comparing offerings across providers. 

“Poor data quality prevents consumers from experiencing the full benefits of the CDR,” said ACCC Deputy Chair Catriona Lowe. She stressed the importance of accurate data in empowering consumers to optimize financial decisions through transparency and choice. 

Broader Market Context 

This development places NAB among notable ASX200 stocks dealing with regulatory pressure, a category that includes several high-profile names in the banking and financial services sector. ASX200 stocks are frequently scrutinized for their compliance and operational practices, especially when it comes to data governance and customer rights. 

As data-sharing regimes mature, large institutions listed on the ASX are expected to face higher expectations around transparency and data accuracy. This incident may serve as a cautionary tale for other firms navigating similar regulatory landscapes. 


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