Pentastic Security Limited logo

Hong Kong's trusted cybersecurity partner

Our story

Founded in 2020, Pentastic Security combines “Pen” from penetration testing with “Fantastic”, embodying our commitment to excellence in cybersecurity. Guided by our values of Passion and Quality, we deliver practical, trusted, and cost-effective cybersecurity services. From comprehensive security assessments and customized security solutions to impactful security awareness programmes, we empower organizations to manage cyber risks, improve resilience, and safeguard their critical infrastructures, systems, data, and business operations.

With over 20 years of industry experience, our consultants bring extensive expertise gained across information technology, cybersecurity, telecommunications, banking, and financial services sectors. This diverse background provides deep insight into the evolving security challenges organizations face, enabling us to deliver practical, business-focused cybersecurity solutions.

Astronaut holding a trophy — Pentastic Security's recognition as a trusted cybersecurity partner in Hong Kong

We are a category B sub-contractor under the HKSAR Government DPO's SOA-QPS5

We cover Security Risk Assessment and Audit (SRAA)
and Privacy Impact Assessment (PIA) Services for HKSARG

We are also a qualified service provider under the Cybersecurity Service Providers Connect Programme initiated by Digital Policy Office (DPO) and HKCERT

Our Consultants' Certifications

Our consultants hold globally recognized certifications across offensive security, governance, cloud, and privacy.

  • CISSP certification badge
    CISSP
  • CISA certification badge
    CISA
  • CISM certification badge
    CISM
  • CRISC certification badge
    CRISC
  • CIPM certification badge
    CIPM
  • ISO/IEC 27001 LA certification badge
    ISO/IEC 27001 LA
  • OSCP certification badge
    OSCP
  • OSWP certification badge
    OSWP
  • eCPTX certification badge
    eCPTX
  • CRTP certification badge
    CRTP
  • CCSK certification badge
    CCSK

Industry Recognition

Trusted cybersecurity advisor delivering practical and effective security solutions

Jun 2026

Pentastic Security was invited to join a discssion panel of cross-industry IT experts at the event "AI Governance and Cybersecurity Industry Network Clusters 2026" hosted by Hong Kong Productivity Council, contributing cybersecurity and AI governance expertise. The event brought together IT experts from academia, consulting, finance, and NGOs to explore the latest trends and strategies in AI governance and cybersecurity.

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May 2026

Pentastic Security was invited to Build a Secure Cyberspace 2026 “Innovate with Grace, Peace in Cyberspace” Webinar alongside Bank of China (Hong Kong), the Hong Kong Police Force, and Hong Kong Computer Emergency Response Team Coordination Centre (HKCERT) to share expert insights with nearly 500 attendees on emerging cyber threats, including agentic AI and ransomware defense.

We presented “Agentic AI from a Cybersecurity Perspective”, exploring how Agentic AI represents a significant evolution beyond traditional Generative AI, sharing insights on AI security risks, governance, user awareness, and security testing practices for organizations adopting AI technologies.

Jan 2026

Pentastic Security was invited as a panel guest at HKCERT's 'Building a Multi-Layered Defense System for Enterprises' Cybersecurity Seminar and Solutions Hub.

We participated to a Panel Discussion: “Security Health Check: Turning Assessment Reports into Actionable Steps”, sharing insights on what are the key success factors when engaging a security assessment, some cases sharing and presented our solution package “Cyber Do-Re-Mi” to address SME challenges.

Oct 2025

Pentastic Security was recognized as a qualified service provider under the Cybersecurity Service Providers Connect Programme, a joint initiative by the Digital Policy Office (DPO) and HKCERT designed to connect vetted cybersecurity providers with Hong Kong SMEs. Pentastic also participated in the programme's official Launching Ceremony, marking the commencement of the initiative.

Our Experience Stems From

Every engagement is delivered by consultants who hold the certifications and hands-on experience to tackle your individual needs.

Financial Institutions regulated by SFC, HKMA & MAS

Regulatory Institutions & Quasi-Government Organisations, NGOs

Schools, Colleges, Universities & Hospitals

Real Estate & Property Management Companies

Insurance Companies

International & Local Retail Companies

Internet Service & Telecommunications Providers

Software Houses, Online Education Companies & Legal Firms

Hong Kong SAR Government Departments & Bureaux