Google announced that it will stop trusting digital certificates issued by Chunghwa Telecom and Netlock due to persistent compliance failures and lack of progress in addressing reported issues. This change, effective with Chrome version 139 in August 2025, will affect all TLS server authentication certificates issued after July 31, 2025. Users navigating sites with these certificates will encounter security warnings, prompting website operators to reassess their CA partnerships. Enterprises may still trust these certificates locally, bypassing the new Chrome constraints.
Google's decision to distrust certificates from Chunghwa Telecom and Netlock stems from compliance failures and lack of measurable progress in addressing security issues.
Chrome users will see security warnings if they access sites with certificates from these CAs after the cutoff, impacting user trust and site functionality.
Website operators are urged to check their certificates and transition to new Certificate Authorities quickly to avoid disruptions after the July 31 deadline.
Enterprises have the option to bypass Chrome's new restrictions by installing the respective root CA certificates locally on their systems.
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