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ARTICLE · 06 AUGUST 2026

Securities And Futures Commission’s First Ransomware-related Enforcement Action Signals Tougher Cybersecurity Stance

A&O Shearman
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Hong Kong's Securities and Futures Commission has imposed a HKD2.1 million fine on Luk Fook Securities following a ransomware attack that crippled its trading systems for over two weeks. The enforcement action reveals systemic cybersecurity failures across network protection, access controls, and business continuity planning, marking a significant shift from regulatory guidance to direct financial penalties for cyber control deficiencies.

Hong KongStrategy
Anna Gamvros
Anna Gamvros
Hannah Cassidy
Hannah Cassidy
Natalie Lam
Natalie Lam
Ruby Kwok
Ruby Kwok
Chun Bun (Edward) Yau
Chun Bun (Edward) Yau
Kristie Fung
Kristie Fung
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Hong Kong’s Securities and Futures Commission (SFC) has reprimanded and fined Luk Fook Securities (HK) Limited (LFSHK) HKD2.1 million for failing to implement adequate and effective cybersecurity controls. This is one of the SFC’s most significant cybersecurity-related enforcement actions to date, and its first arising from an actual cyberattack that disrupted a licensed corporation’s trading systems. The decision offers a useful precedent for all SFC-regulated firms.

What happened? 

On September 19, 2022, a ransomware attack caused extensive disruption to LFSHK’s critical IT infrastructure, affecting file servers, domain controllers, email servers, trading application servers, and accounting servers. LFSHK restored its systems in phases, with full recovery achieved more than two weeks later.  

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