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The Vietnam Cybersecurity Emergency Response Center (VNCERT) said it had received reports a day earlier of a security incident involving the National Credit Information Center of Vietnam (CIC), which is managed by the State Bank of Vietnam.
Initial investigations indicated signs of unauthorized access aimed at stealing personal data, with the extent of the breach still being assessed.
The Department of Cyber Security and High-Tech Crime Prevention under the Ministry of Public Security directed VNCERT to coordinate with CIC, the central bank, and cybersecurity firms including Viettel, VNPT, and NCS to verify the breach, collect evidence, and implement technical countermeasures.
VNCERT urged individuals and organizations not to download, share or use any leaked data, warning that violations would be handled in accordance with Vietnamese law.
It also advised financial institutions, especially banks, to review their systems and ensure compliance with national cybersecurity standard TCVN 14423:2025.
The agency called on the public to remain vigilant against cybercrime, including phishing, malware, and financial scams related to the leaked data.
