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Bankinter partners with Telefónica to send more secure and reliable messages to its customers

Thanks to RCS ('Rich Communication Services') technology, customers will have the guarantee that the messages they receive on behalf of the bank are authentic.

Bankinter is the first bank in Spain to use this system to securely confirm online transfers and payments.

Telefónica highlights the strength of its Business Messaging value proposition. In the case of Bankinter, it manages over 270,000 messages per day without incident, demonstrating the security and verification benefits of the RCS standard.


Bankinter and Telefónica have taken a decisive step in protecting customers' digital transactions by implementing leading technology within the bank that reinforces the security of communications sent by the entity to its customers.

This technology, known as RCS (Rich Communication Services), guarantees the authenticity and traceability of the sender – in this case, the Bank – at all times. It also ensures the confidentiality of communications thanks to end-to-end encryption, which prevents fraud based on identity theft. In practice, the messages received by the customer include the official Bankinter logo and confirmation of the sender's verification. This brings security and confidence to every communication.

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This represents a substantial improvement in the bank's interaction with its customers, especially in critical communications, such as the confirmation of online transfers and payments, which require confirmation by the customer through one-time authentication (OTP). “”

With this move, Bankinter becomes the first Spanish bank to migrate customer transaction confirmation communications to a fully secure channel using RCS technology. This avoids the risk of impersonation of the entity through SMS spoofing (falsifying the sender) or smishing (fraudulent messages that pretend to be from the Bank). Furthermore, it improves the customer experience in sensitive transactions.

Greater security and ease for the customer

Telefónica has been the technology partner in this deployment, which has been completed in record time, thanks to the high compatibility rates in the systems of both companies. Despite the complexity of the process, the customer's operations have not been affected and will now be more secure.

An example of Telefónica's exceptional technological support is its proven ability to manage up to 277,000 messages per day with Bankinter without incident. This demonstrates the high quality of Telefónica's technology and the robustness of its model, with stable performance even during peak times.

Thus, Telefónica has demonstrated through this joint project with Bankinter the strength of the value proposition of the Business Messaging service, highlighting the benefits of the RCS standard in terms of security, reliability and verification of messages.

This initiative contributes significantly to reducing fraud in the channel and strengthens trust and integrity in corporate communications.

With this pioneering project, Telefónica and Bankinter are starting a long-term strategic collaboration, opening up new possibilities for the development of Secure Messaging Solutions for the banking sector, consolidating the future of digital communications.

To benefit from this technology, the customer does not need to download an additional app or enter the Bankinter app during the transaction.