• Refusing to provide passwords or decryption assistance for electronic devices is now a criminal offense in Hong Kong under expanded national security rules.
• The new law applies to all visitors, including U.S. citizens and passengers merely transiting through Hong Kong International Airport.
• Penalties for non-compliance include up to one year in prison, while providing misleading information can result in up to three years of imprisonment.
• Authorities now have broader power to seize and retain electronic devices as evidence without the previously required judicial warrants.

The travel landscape for one of Asia’s most iconic transit hubs has shifted significantly this week following new legal amendments in Hong Kong. Effective March 23, 2026, the Hong Kong government expanded its National Security Law enforcement rules, making it a criminal offense to refuse to provide passwords or decryption assistance for electronic devices to local authorities. This mandate applies to everyone within the territory, including those merely transiting through Hong Kong International Airport without clearing customs.

The U.S. Consulate General in Hong Kong and Macau issued a security alert on March 26 to inform travelers of these changes. Under the new regulations, individuals suspected of being linked to national security concerns can be compelled to unlock phones, laptops, and tablets. Failure to comply can result in up to one year in prison and a fine of approximately $12,700 USD. Furthermore, providing false or misleading information during an examination can carry a penalty of up to three years in prison.

For international travelers and businesses, these developments introduce new considerations for digital privacy. Security experts recommend that those traveling through the region utilize “clean” devices with minimal personal data or rely on remote, secured storage solutions. While major carriers like Cathay Pacific and United Airlines continue to offer robust nonstop service between the U.S. and Hong Kong, these new security protocols may influence transit patterns for the millions of passengers who traditionally use the city as a gateway to Southeast Asia and Australia. Despite these changes, Hong Kong remains a world-class destination, and staying informed allows travelers to navigate these new requirements with confidence and ease.