The Tarneaud Bank, a historic regional institution in Limousin, has gradually migrated its digital services to the Société Générale group platform. This technical switch changes how customers identify themselves to access their accounts and validate their online banking transactions.
Migration to the SG Client Space: the technical change for Tarneaud clients
The old regional portals of the Tarneaud Bank have been replaced by the SG Client Space and its mobile application. Specifically, the credentials used on the old Tarneaud site no longer function in the same way: the login now goes through the unified Société Générale interface.
This transfer involves several adjustments. Clients must download the SG app if they haven’t already, then activate the integrated security device (Security Pass). Their banking details, account history, and products remain unchanged, but the daily login process differs from what they were used to.
To find out the details of these changes, information on guidebanque.fr provides precise insights into what has changed in the identification process.
Strong banking authentication: two factors instead of a simple password
Strong authentication relies on the combination of two elements from three distinct categories, in accordance with the European DSP2 directive. Each sensitive operation (online payment, adding a beneficiary for a transfer, modifying card limits) triggers this enhanced verification.
The three categories are as follows:
- A knowledge element: password, secret code, or answer to a personal question that only the account holder knows
- A possession element: mobile phone, smartwatch, or physical electronic device that proves the client owns a registered device
- An inherence element: fingerprint, facial recognition, or iris shape, which identifies the person by a biometric characteristic
In practice, the most common solution combines the mobile app (possession) with a code or fingerprint (knowledge or inherence). The client receives a notification on their phone and then validates the operation in a few seconds.
For those who do not have a compatible smartphone, SG group banks offer a physical code generator device. This alternative ensures that strong authentication remains accessible to all customer profiles.
b.connect: passwordless login on partner sites
Alongside strong authentication, another project is changing the digital habits of French banking clients. The b.connect service is designed to eliminate passwords when logging into partner e-commerce sites and online services.
The principle: a one-click authentication button, which relies on the infrastructure already used for credit card payments. An artificial intelligence engine analyzes browsing habits (IP address, device used, geolocation) and, in most cases, validates the login without any additional steps.
When the system detects an unusual context, it redirects to the client’s banking app for further verification. No password does not mean no verification: security remains calibrated according to the risk level of each connection.
b.connect also positions itself as a sovereign alternative to Google Login or Apple Login buttons. Personal data remains hosted by French banks, without transit through American servers. For merchant sites, the challenge is to reduce cart abandonment related to account creation forms and forgotten passwords.
Distinction between SG authentication and b.connect service
Confusion between these two mechanisms is common, but their scope differs. Strong authentication via the SG Client Space protects access to the bank account and the validation of financial operations (transfers, online card payments, balance inquiries). It is mandated by the DSP2 regulation.
The b.connect service, on the other hand, operates outside the banking space. It is used to log into merchant sites or partner online services without creating a username/password pair. The bank provides a digital identity proof, but no banking data is shared with the partner site.
- SG Client Space: access to accounts, transfers, card management, subject to regulatory strong authentication
- b.connect: connection to third-party partner sites, without sharing financial data, with simplified validation
- SG Security Pass: the common technical device that can serve as a second factor in both cases, via notification on the mobile app
For a former Tarneaud client, transitioning to the SG Client Space is the first step. Access to b.connect then depends on the activation of the service in the app and the availability of compatible partner sites.
Simplifying banking authentication is not just about one less button on a screen. It redistributes the security burden among the client, the bank, and the shared technical infrastructure. Former Tarneaud clients who have not yet migrated to the SG app should anticipate this transition to avoid being blocked during a sensitive operation.
