On 25 Aug 2025, the HKMA enhanced its 'E-Banking Security ABC' framework to 'ABCD' by adding 'Deepfake detection' as Measure 'D', requiring Authorized Institutions to implement good practices from the Annex to counter deepfake fraud risks. The guidance, effective immediately, builds on prior initiatives like the GenAI Sandbox and workshop outcomes, with banks reporting over 95% improved detection rates. The HKMA will further advance Measure 'D' through the second GenAI Sandbox cohort and industry collaboration.
This article was generated using SAMS, an AI technology by Timothy Loh LLP.
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Framework Enhancement and Immediate Implementation
On 25 Aug 2025, the Hong Kong Monetary Authority (HKMA) issued guidance rebranding the existing 'E-Banking Security ABC' framework to 'E-Banking Security ABCD'—incorporating 'Deepfake detection' as Measure 'D'—to address evolving fraud risks from deepfake technology, effective immediately. This enhancement extends the framework's scope to mandate banks to adopt specific good practices for countering deepfake attacks, building upon prior initiatives including the GenAI Sandbox and Anti-Digital Fraud Workshop.
Regulatory Expectations and Implementation Guidance
The HKMA requires Authorized Institutions (AIs) to review the Annex's 'Good Practices for Countering Deepfake Attacks' for relevance to their operations and implement appropriate measures to strengthen real-time deepfake detection capabilities. AIs that adopted these practices demonstrated over 95% improvement in detecting sophisticated deepfake attacks, with fraud data shared to facilitate law enforcement investigations. The HKMA emphasizes that this guidance is an enhancement to existing security protocols, not a new regulatory requirement.
Future Initiatives and Collaborative Measures
The HKMA will advance Measure 'D' through the second cohort of the GenAI Sandbox (open until 31 Aug 2025), focusing on 'A.I. versus A.L.' to combat AI-driven threats including deepfakes. Results will inform future GenAI Collaboratory sessions and practical guidance. Additionally, the HKMA will leverage its MoU with HKUST to develop industry resources supporting anti-deepfake capabilities, with further details to be announced.
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