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THE STATE BANK OF VIETNAM
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THE SOCIALIST REPUBLIC OF VIETNAM
Independence - Freedom - Happiness
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No. 10012/NHNN-CNTT
Re. implementation of Circular No. 50/2024/TT-NHNN

Hanoi, December 06, 2024

 

To:

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On October 31, 2024, the Governor of the State Bank of Vietnam (SBV) signed the Circular No. 50/2024/TT-NHNN providing for security and confidentiality during provision of online banking services for promulgation. The Circular No. 50/2024/TT-NHNN comes into force from January 01, 2025 and replaces the Circular No. 35/2016/TT-NHNN dated December 29, 2016 of the SBV’s Governor providing for security and confidentiality during provision of banking services on the internet (amended by the Circular No. 35/2018/TT-NHNN). In order to disseminate the Circular No. 50/2024/TT-NHNN and aid units in gaining a full understanding thereof, SBV hereby provides guidelines on several regulations amended and supplemented under the Circular No. 50/2024/TT-NHNN. To be specific:

1. Addition of regulated entities and scope

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- This Circular covers not only banking activities and provision of intermediary payment services on the Internet but also all banking activities and other business activities of credit institutions and foreign bank branches, intermediary payment services of intermediary payment service providers, credit information companies’ credit information services provided online for clients.

2. Addition of regulations on electronic transaction authentication and forms of electronic transaction authentication according to the Law on E-transactions 2023

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The Circular No. 50/2024/TT-NHNN adds regulations on electronic transaction authentication (hereinafter referred to as “transaction authentication”) in clause 8 of Article 2 and regulations on authentication forms in Article 11 to form legal bases for the application of electronic authentication forms other than e-signatures to electronic transactions in the banking sector.

Regulations enshrined in the Decision No. 2345/QD-NHNN dated December 18, 2023 on application of security and confidentiality measures to online payment and bank card payment are also added to the Circular No. 50/2024/TT-NHNN.

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The Circular No. 50/2024/TT-NHNN clearly specifies the transaction authentication in case the client is a business household or micro-enterprise applying a simple accounting regime: classifying transactions and applying the authentication form which is similar to that applied to an individual client.

3. Addition of regulations on application of certain international standards

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The biometric authentication standard is prescribed in clause 5 of Article 11:

“5. Biometric authentication: It is the process of making comparison to ensure that the biometric information of the client conducting a transaction matches their biometric information collected and stored at the unit as per the regulations imposed by SBV's Governor. Biometric authentication must meet the following minimum requirements:

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(i) Its accuracy shall be determined according to international standards (or equivalent) as follows: The false reject rate and false accept rate shall meet the requirement of < 5% and < 0.01% respectively according to the FIDO Biometric Requirements (applicable to a set of at least 10,000 samples);

(ii) It has the ability to detect biometric spoofing attacks of live objects (Presentation Attack Detection - PAD) according to international standards (such as NIST Special Publication 800-63B Digital Identity Guidelines: Authentication and Lifecycle Management or ISO 30107 - Biometric presentation attack detection or FIDO Biometric Requirements) to prevent fraud and spoofing through images, videos and 3D masks.

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c) The Presentation Attack Detection - PAD prescribed in point a of this clause which is deployed by the unit itself or provided by a third party must be certified by a biometric organization/laboratory accredited by the FIDO Alliance;

d) If a client fails to authenticate using biometric authentication after too many attempts (specified by the unit but not more than 10 attempts): the biometric authentication function will be blocked and such function shall only be unblocked after the client sends a request and is identified in order to prevent fraud and spoofing;

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The regulation set out in point c clause 5 of Article 11 is effective as of July 01, 2026.

b) FIDO authentication standard:

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“7. FIDO (Fast IDentity Online) authentication is a form of authentication according to the standard for transaction authentication using asymmetric key algorithms (including private keys used to generate digital signatures, and public keys used to validate digital signatures) issued by the FIDO Alliance. FIDO authentication must meet the following requirements:

a) The private key is securely stored on the client's device. The client uses PIN authentication or biometric authentication on their device to access and use the private key when conducting transactions;

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c) The solution deployed by the unit itself or provided by a third party must be certified by an organization accredited by the FIDO Alliance.”.

The regulation set out in point c clause 7 of Article 11 is effective as of July 01, 2026.

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The Circular No. 50/2024/TT-NHNN adds regulations applicable to Straight-Through Processing between the corporate client’s system (such as ERP) and the online banking system as follows:

- Clause 7 of Article provides the definition: 7. Straight-Through Processing means a method of automatic two-way exchange of information, data and documents through a secure connection between the client’s information system and the online banking system.

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“8. Requirements for straight-through processing (STP):

a) The unit shall only provide online banking services by STP method for institutional clients. The unit is shall select, appraise, supervise, manage and reach an agreement with the clients when providing online banking services by STP method;

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c) The application of the regulations in points c, dd, e, g, and h clause 6 and point a clause 7 of this Article is optional.”.

- Point b clause 1 of Article 10 adds regulations on transaction authentication by STP method: “For payment transactions conducting using STP method, the unit shall confirm the transactions using at least one of the authentication forms specified in clauses 7, 8, and 9 Article 11 of this Circular”.

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5. Addition of regulations on security and confidentiality of mobile banking application software

The Circular No. 50/2024/TT-NHNN adds several regulations on enhancing security and confidentiality of mobile banking application software to catch up with current technology. To be specific:

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- Clauses 3 and 4 of Article 8 adds regulations on ensuring security of mobile banking application installed on clients’ mobile devices. To be specific:

“3. Measures shall be in place to prevent interference in the data exchange flow on the mobile banking application and between the mobile banking application and the server providing online banking services.

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Clauses 3 and 4 of Article 8 come into force as of July 01, 2025.

- Clause 6 of Article 8 adds regulations on match with biometric information applicable to individual clients that first log in online banking application software on their new device (already specified under Decision 2345/QD-NHNN).

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The Circular No. 50/2024/TT-NHNN adds several new regulations with the aim of enhancing information security and confidentiality and preventing information security incidents that have occurred recently. To be specific:

- Point b clause 1 of Article 4 adds regulations on providing database firewall, which come into force as of July 01, 2025.

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- Clause 3 of Article 17 adds the regulation “The unit shall not send SMS or emails to clients containing hyperlinks to access websites unless otherwise requested by the client” to aid the reduction in the number of SMS and email phishing attacks.

Detailed changes in the Circular No. 50/2024/TT-NHNN in comparison with the Circular No. 35/2016/TT-NHNN (amended by the Circular No. 35/2018/TT-NHNN) are provided in the comparison table hereto.

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Information about the conduit supporting and providing guidelines on the implementation of the Circular No. 50/2024/TT-NHNN: Information Security Division - Information Technology Department - State Bank of Vietnam, phone number: 024.38354775, email: cntt8@sbv.gov.vn.

Best regards./.

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BY ORDER OF THE GOVERNOR
ACTING DIRECTOR GENERAL OF INFORMATION TECHNOLOGY DEPARTMENT




Le Hoang Chinh Quang

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