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    ISO/IEC 27001:2022

    Hong Kong Telecommunications (HKT) Ltd.
    Security Operation Center
    11/F, Lai Chi Kok Engineering Centre II
    4 Yuet Lun Street
    Lai Chi Kok
    Hong Kong
    BSI logo

    Certificate Number: IS 674921
    Scope: The provision of cyber security monitoring services to customers in security operation centre. This is in accordance with the statement of applicability V2.5, dated 16 July 2025.

    Original Registration Date Effective Date Last Revision Date Expiry Date
    2018-06-23 2024-06-23 2025-07-25 2027-06-22