04 contents on management of network safety and security of banks in Vietnam

According to Article 23 of the Circular No. 09/2020/TT-NHNN of the State Bank of Vietnam, management of network safety and security is prescribed as follows:

1. Formulate regulations on management of network safety and security and management of terminal devices of the entire network system.

2. Create and store documentation relating to logic and physical diagrams in respect of network systems, including wide area network (WAN/Intranet) and local area network (LAN).

3. Develop the institution’s network system which must meet the following requirements:

- Divide the network system into different network areas, depending on types of users, purpose of use and information system, including: (i) A separate zone for the server and database of the information system of level 3 or higher, (ii) Demilitarized zone (DMZ) for providing services on the Internet, and (iii) A separate zone for providing wireless network services;

- Equip firewall devices to control connections and access to important network areas;

- Equip devices that have firewall and intrusion detection functions to monitor any connections and access from untrusted networks to the institution's network;

- Provide solutions for controlling, detecting and preventing, in a timely manner, any unauthorized connections or access to the internal network of the institution that has the information system of level 3 or higher;

- Provide measures for network load balancing and response to denial-of-service attack in respect of the information system of level 3 or higher that provides services on the Internet.

4. Set up and configure functions according to the design of network security equipment; implement measures and solutions to search and detect technical vulnerabilities and holes of the network system; regularly check and detect any illegal connection, equipment or software which is installed without permission into the network system.

View more details at the Circular No. 09/2020/TT-NHNN of the State Bank of Vietnam, effective from January 01, 2021.

Thuy Tram

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