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Mastercard Launches A2A Protect to Enhance Security in UK Account-to-Account Payments
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Mastercard | A2A Protect | Fraud Prevention | Digital Payments
29 Jul 2025
Mastercard has introduced A2A Protect, a cutting-edge service designed to enhance consumer protection in the UK’s rapidly growing account-to-account (A2A) payments sector. Partnering with major UK banks like Monzo, NatWest, and Santander, Mastercard aims to combat fraud by integrating advanced fraud detection technology and a transparent dispute resolution framework, thus boosting safety before, during, and after A2A transactions.
Mastercard is spearheading a new initiative to address concerns about fraud and consumer protection within the expanding account-to-account (A2A) payments sector. As digital payments grow more popular in the UK, the launch of A2A Protect aims to safeguard consumers using the country’s Faster Payments system. A2A Protect is set to launch in collaboration with major financial institutions such as Monzo, NatWest, and Santander, marking a major step towards improving payment security.
The service is designed to combat the rising challenges of fraud in the A2A sector, particularly focusing on authorised push payment (APP) fraud. The latest data from UK Finance reports that nearly £592 million was lost to A2A fraud in the previous year. Mastercard’s A2A Protect will integrate sophisticated fraud detection with an easy-to-navigate dispute resolution process, offering consumers added protection both before and after they make payments.
Fighting Fraud with Cutting-Edge Technology
A2A Protect is a proactive service aimed at curbing fraud in real-time. By leveraging Mastercard’s advanced fraud detection technology, the service offers financial institutions real-time insights into suspicious transactions. The technology allows for faster identification and response to potential fraud, helping to prevent financial loss before it occurs.
Jorn Lambert, Chief Product Officer at Mastercard, emphasised, “With Fast A2A comes fast fraud, and we owe it to consumers to have their back. Mastercard A2A Protect delivers meaningful benefits to every participant in a transaction. It lowers operational costs for financial institutions through standardised real-time fraud insights and streamlined dispute resolution, and all participants benefit from quicker and more predictable outcomes.”
This integration of technology not only enhances security but also reduces operational costs for banks and payment service providers, ensuring that transactions are processed with the highest level of confidence and efficiency.
A Collaborative Effort to Strengthen Security
The collaboration between Mastercard and top UK financial institutions like Monzo, NatWest, and Santander plays a pivotal role in this initiative. These organisations are committed to working together to improve the security of account-to-account payments. Their combined efforts ensure that consumers are protected at every stage of their transaction, from initiation to resolution.
Andy Sacre, Head of Payments at Monzo, highlighted the importance of collaboration in the fight against fraud: “Collaboration and information sharing are essential to fight fraud, which is why we’re working with Mastercard to build a tool that gives banks access to industry-wide data to help them spot suspicious transactions.”
Paul Horlock, Chief Payments Officer at Santander, also emphasised the importance of aligning capabilities and security across different payment channels, saying, “The alignment of capabilities and security across payment channels is critical to enable choice and protecting consumers. We see this Mastercard initiative as a promising addition to the evolving landscape of A2A payment utility and security.”
Targeting Authorised Push Payment (APP) Fraud
The primary focus of A2A Protect in its initial phase is to combat authorised push payment (APP) fraud. APP fraud occurs when a consumer is tricked into authorising a payment to a fraudster, often under the guise of a legitimate transaction. According to UK Finance, APP fraud accounted for a significant portion of the £592 million lost to A2A fraud last year.
Through A2A Protect, Mastercard aims to offer a comprehensive solution to this pressing issue, enhancing the security and reliability of A2A payments. As the service expands, further phases will address additional fraud types, including disputes over goods and services, ensuring that consumers are protected from a wide range of potential issues.
Aligning with National Payments Vision
A2A Protect also supports the UK government’s National Payments Vision, which focuses on modernising account-to-account payments while ensuring that public trust in digital payments remains strong. This initiative plays a crucial role in making the UK’s digital payments infrastructure more secure, user-friendly, and adaptable to the rapidly evolving financial landscape.
The introduction of A2A Protect represents a significant step forward in protecting consumers and bolstering the overall integrity of the UK’s payment system. Mastercard’s commitment to addressing fraud and improving transaction security reflects the growing importance of A2A payments in the global digital economy.
Mastercard’s launch of A2A Protect marks a critical development in safeguarding consumers against fraud in the expanding account-to-account payments sector. By combining advanced fraud detection technology with a structured dispute resolution framework, the service promises to enhance the security, efficiency, and reliability of digital payments. With major financial institutions on board and a clear focus on authorised push payment fraud, A2A Protect sets the standard for future innovations in payment security.
