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Find a Pentest Company in Hong Kong

There are 47 penetration testing companies in Hong Kong. 73% are small firms (50 or fewer employees) and 27% are larger organizations.

HKCERT

HKCERT

Network and Application Penetr...
Hong Kong, Hong Kong 5 employees

HKCERT is a Hong Kong-based private cybersecurity organization specializing in incident response, penetration testing, and vulnerability assessments; with 3 employees, a 16.7% YoY decline, and 75,578 monthly website visits, it plays a key role in local enterprise security.

Security Alert Monitoring And Early Warning
Incident Report And Response
Publication Of Security Guidelines And Information
+5 more
iSystems Security Ltd

iSystems Security Ltd

Penetration Testing
Hong Kong, Hong Kong 6 employees

Cybersecurity company based in Hong Kong; specializes in security risk assessment, audits, and penetration testing with a team of 3 employees; founded in 2010; offers services including penetration testing, cyber incident response, and privacy impact assessments.

Security Risk Assessment And Audit
Penetration Testing
Privacy Impact Assessment
+5 more
DracoSec Research Limited

DracoSec Research Limited

Web & Mobile Application Testi...
Hong Kong, Hong Kong 3 employees

Cybersecurity firm specializing in penetration testing, red teaming, vulnerability assessment, and security audits; 3 employees; based in Hong Kong, Hong Kong; offers expertise in offensive cybersecurity, cloud security, and social engineering.

Penetration Testing (web & Mobile App Testing
Server Penetration Testing
OT Penetration Testing)
+5 more
Pontus Ventures Advisory Group

Pontus Ventures Advisory Group

IT Infrastructure Security
Central & Western District, Hong Kong 8 employees

Security and investigations company specializing in private investigations, cybercrime, and online fraud; explicitly provides penetration testing services adhering to international standards; based in Hong Kong with 2 employees and +60% YoY growth.

Corporate And Business Intelligence
Investigations
Due Diligence
+5 more
Cyberbay

Cyberbay

Crowdsourced Penetration Testi...
Hong Kong, Hong Kong 14 employees

Cyberbay is a Hong Kong-based private cybersecurity firm founded in 2022, with 7 employees and a focus on crowdsourced vulnerability testing. It provides AI-powered bug bounty platforms, real-world attack testing, and continuous vulnerability assessments, aiming to enhance digital security through ethical hacking and penetration testing services.

Penetration Testing
Vulnerability Assessment
Continuous Monitoring
+2 more
Guardian Forest Security Limited

Guardian Forest Security Limited

Physical Security Penetration ...
Kowloon, Hong Kong 4 employees

Security and investigations consulting firm specializing in physical, information, and cyber security services; provides penetration testing services; founded in 2017; based in Kowloon, Hong Kong with 4 employees; serves Hong Kong, China, and Asia Pacific; maintains a web presence with 590 monthly visits.

Risk Assessment
Security Planning
System Design
+4 more
MXC Security (Singapore) Pte. Ltd.

MXC Security (Singapore) Pte. Ltd.

Comprehensive Penetration Test...
Hong Kong, Hong Kong 20 employees

IT services and consulting company specializing in information security, including penetration testing, vulnerability assessment, and red teaming; based in Hong Kong with 16 employees, founded in 2003, and ranked #10,296,402 globally. Offers expertise in security management, compliance, and privacy consultancy.

Security Assessments
Simulation Attack (red Teaming)
Web Application Penetration Testing
+5 more
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Cyberforce Limited

Cyberforce Limited

Web Application Testing
Kwun Tong, Hong Kong 18 employees

Cyberforce Limited is a Hong Kong-based private cybersecurity firm specializing in computer and network security, including penetration testing, risk assessment, and security consulting; 12 employees with 38.5% YoY growth; headquartered in Kwun Tong, Hong Kong; offers tailored security solutions for businesses.

Security Consultation
User Education
Solution Integration
+1 more
SDAP

SDAP

Network Penetration Testing
Hong Kong, Hong Kong 10 employees

Cybersecurity company specializing in network security assessment, penetration testing, and project management; 9 employees, founded 2012, based in Hong Kong; offers penetration testing services, with 934 monthly website visits and a global rank of #9,192,159.

Network Security Assessment
Network Penetration Service
Project Management
+5 more
D

Digitpol

IoT Device Penetration Testing
Hong Kong 201 employees

Cybersecurity company providing digital risk solutions, IoT penetration testing, digital forensics, incident response, and threat response; based in Hong Kong with a physical address in Causeway Bay and a Hong Kong registration number 1964586.

Penetration Testing (iot
Android App
API
+5 more
eWalker

eWalker

Red-team Penetration Testing
Kowloon City, Hong Kong 23 employees

IT security consulting firm specializing in penetration testing, vulnerability assessment, and cyber security services; over 150 security risk assessment and penetration test projects completed since 2005; based in Kowloon City, Hong Kong, with 6 employees and a -8% YoY workforce change.

Penetration Testing
Vulnerability Assessment
Technology Risk Consulting
+5 more
Securli Limited

Securli Limited

Targeted Penetration Testing
Hong Kong, Hong Kong 5 employees

Cybersecurity company specializing in penetration testing and network security; founded in 2005, based in Hong Kong, with 2 employees. Offers advanced, constantly upgraded security platforms and services to assess and strengthen IT infrastructure security.

Penetration Testing
Log Monitoring
Behavioral Analytics
+4 more
Innopath Solutions

Innopath Solutions

Vulnerability Assessment and P...
Hong Kong, Hong Kong 7 employees

Innopath Solutions is a Hong Kong-based private IT & Services company specializing in security and IT professional services, including server room design, cyber security, and penetration testing. With 7 employees and 40% YoY growth, it offers infrastructure, security, and compliance solutions, emphasizing penetration testing and data center security.

Server Room Design
Build And Maintenance
Air Conditioning
+5 more
PwC Hong Kong

PwC Hong Kong

Application and Infrastructure...
Hong Kong 13000 employees

Regional branch of PricewaterhouseCoopers providing audit, consulting, deals, tax, and cybersecurity services; explicitly offers penetration testing for applications and infrastructure; based in Hong Kong SAR with multiple office locations including Central and Kowloon.

Audit And Assurance
Consulting
Deals And Mergers & Acquisitions
+5 more
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Integrated Global Solutions Limited (IGS)

Integrated Global Solutions Limited (IGS)

Web Application Penetration Te...
Hong Kong, Hong Kong 129 employees

IT services and consulting company based in Hong Kong; 85 employees with 24% YoY growth; specializes in ITSM, infrastructure, applications, data analytics, big data, open-source tech, and penetration testing with GIAC GWAPT credential; founded in 2007.

Penetration Testing
Security Risk Assessment
Vulnerability Scanning
+4 more
BlockSec

BlockSec

Smart Contract and Blockchain ...
Hong Kong, Hong Kong 24 employees

BlockSec is a private blockchain security company founded in 2021 and based in Hong Kong; it specializes in smart contract and EVM chain audits, offering full-stack security services and innovative Web3 tools. With 14 employees and $345K annual revenue, it has raised $15.7M in funding. The company explicitly provides penetration testing, utilizing formal security testing frameworks and manual verification, exemplified by their Radiant V2 security testing report. BlockSec is a notable player in blockchain threat intelligence and developer security tooling, ranked #771,027 globally.

Blockchain Security Audits
Penetration Testing
Vulnerability Assessment
+5 more
AsiaNet Technologies (HK) Ltd

AsiaNet Technologies (HK) Ltd

6
Kwun Tong District, Hong Kong 4 employees

IT services and cybersecurity provider based in Hong Kong; offers penetration testing services including Breach & Attack Simulation (BAS), with 4 employees, founded in 2006, headquartered in Kwun Tong District, Hong Kong; specializes in cloud, managed, and security solutions.

DDOS Protection
Breach And Attack Simulation
Penetration Testing
+5 more
Global Technology Integrator Ltd

Global Technology Integrator Ltd

ISO 9001, ISO 20000-1, ISO 270...
Hong Kong 84 employees

Hong Kong-based cybersecurity firm specializing in penetration testing; headquartered in Kwun Tong, Kowloon, with HK-specific operations and contact points. Credible sources confirm they offer penetration testing services, including simulated cyberattacks and ethical hacking.

No
CravateRouge Ltd

CravateRouge Ltd

Active Directory and Microsoft...
Wan Chai, Hong Kong 2 employees

Cybersecurity company specializing in penetration testing, audits, forensic, and training services; provides tailored security solutions with a focus on pentest offerings, based in Wan Chai, Hong Kong, founded in 2024, with 2 employees.

Audit
Protect
Training
+3 more
Professional Information Security Association (PISA)

Professional Information Security Association (PISA)

Web Application and Network Se...
Hong Kong 5 employees

Hong Kong-based not-for-profit organization supporting information security professionals; provides penetration testing services for organizations of various sizes and industries, with a focus on developing the local security community. Founded in 2001; 3 employees; 150% YoY growth; website: https://www.pisa.org.hk.

Penetration Testing
Vulnerability Assessment
Security Consulting
+2 more
Reach Technology Solutions Limited

Reach Technology Solutions Limited

Penetration Testing by Certifi...
Hong Kong, Hong Kong 6 employees

Reach Technology Solutions Limited is a Hong Kong-based private IT & Services company specializing in comprehensive IT infrastructure solutions, including data center, network, telephony, and security services; they explicitly provide penetration testing by certified ethical hackers, demonstrating a focus on cybersecurity assessment capabilities. The firm has 3 employees with +20% YoY growth.

Data Center Design And Build
Data And Voice Solution
Wired And Wireless Network Design And Build
+5 more
SYON Security

SYON Security

Adversary Simulation and Red T...
Central, Hong Kong 11 employees

Cybersecurity consultancy based in Hong Kong; specializes in adversary simulation, red teaming, penetration testing, incident response, and threat intelligence; founded in 2018; 1 employee; provides full black box testing and physical security services.

Penetration Testing
Red Team Cyber Attack Simulation
Incident Response
+1 more
ITSec HK

ITSec HK

Web and Network Penetration Te...
Hong Kong

Hong Kong-based IT security consulting firm specializing in penetration testing (pentest) and security risk assessments; provides IT security services including audits and vulnerability assessments; located at Room 2610, Apec Plaza, Kwun Tong, Hong Kong.

Penetration Testing
Security Risk Assessment And Audit (sraa)
Vulnerability Assessment
+5 more
VX Research Limited

VX Research Limited

Enterprise Network and Applica...
Hong Kong, Hong Kong 3 employees

Cybersecurity company based in Hong Kong; specializes in consulting, penetration testing, and security training with a focus on enterprise networks, websites, and mobile apps. Founded in 2010; 2 employees with 50% YoY growth; active in global security conferences like Defcon.

Penetration Testing
Red Team Testing
Vulnerability Assessment
+5 more
ICO Technology Limited

ICO Technology Limited

Infrastructure and Network Sec...
Hong Kong 22 employees

Hong Kong-based IT services provider specializing in IT infrastructure and cybersecurity solutions; offers penetration testing services; operational since 2006 with a stable engineering team supporting major digital projects in Hong Kong.

Cybersecurity
Technical Services
Enterprise Applications
+5 more
Handshake Networking Limited

Handshake Networking Limited

External and Internal Penetrat...
Hong Kong 6 employees

Hong Kong-based IT services and consulting firm founded in 2004; specializes in penetration testing services including external and internal pentests, with 2 employees and 271 monthly website visits.

Penetration Testing
External Penetration Testing
Internal Penetration Testing
+4 more
DarkCode Security

DarkCode Security

Advanced Penetration Testing a...
Hong Kong

Cybersecurity company based in Hong Kong; specializes in penetration testing and vulnerability assessments with advanced threat simulation capabilities. Explicitly offers pentest services, with headquarters at 822 Lai Chi Kok Rd, Lai Chi Kok, Hong Kong.

Penetration Testing
Vulnerability Assessment
Threat Simulations
+3 more
CITIC Telecom International CPC Limited

CITIC Telecom International CPC Limited

Network and Web Application Pe...
Hong Kong, Hong Kong 777 employees

Hong Kong-based private telecommunications company founded in 2001; 204 employees, $110M revenue; provides enterprise ICT, cybersecurity, private network, and penetration testing services (TrustCSI PTS); serves multinational enterprises globally; 35,677 monthly website visits, ranked #505,349 worldwide; active in AI+ cloud security and cybersecurity innovations.

Penetration Testing
Vulnerability Assessment
Code Review
+5 more
Corporate and Security Solution Limited

Corporate and Security Solution Limited

Penetration Testing and Vulner...
Kowloon, Hong Kong 9 employees

Hong Kong-based IT services and consulting firm founded in 2006; 6 employees with 28.6% YoY growth; specializes in cybersecurity, penetration testing, ISO consulting, and data analytics, serving private and public sectors across Hong Kong and Asia Pacific.

Iso Consultancy
Data Analytics Solutions
Cyber Security Services
+5 more
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HKT

HKT

Web, Mobile, and Network Penet...
Hong Kong, Hong Kong 10001 employees

HKT is a Hong Kong-based telecommunications, media, and technology leader with over 150 years of history, 1,631 employees, and $4.4 billion in annual revenue. It provides end-to-end enterprise solutions, including penetration testing services where certified experts conduct ethical cyberattacks to evaluate system security; ranked #103,065 globally and #678 in Hong Kong, with a strong market presence in telecommunications, IoT, and digital transformation.

Voice Services
Mobile Communications
Broadband
+5 more
Cyber Digital Research Limited

Cyber Digital Research Limited

Comprehensive Penetration Test...
Hong Kong 1 employees

Hong Kong-based cybersecurity firm specializing in penetration testing services; confirmed addresses in Wanchai, Hong Kong, and Hong Kong incorporation details; provides ethical hacking and security assessments.

Penetration Testing
Vulnerability Assessment
Cybersecurity Solutions
+5 more
CYBER-THINKERS

CYBER-THINKERS

Penetration Testing and Vulner...
Hong Kong

Hong Kong-based cybersecurity consulting firm established in 2011; provides penetration testing and vulnerability assessments as core services; emphasizes secure environments supporting business growth.

Information Security Consultancy
It Security Assessment For Iam Smart Adoption Projects
Cyber Security Solution Or Architecture Design
+5 more
Dual Layer IT

Dual Layer IT

Network Security and Vulnerabi...
Hong Kong 21 employees

Hong Kong-based IT support and cybersecurity provider; offers managed IT support, business IT solutions, and penetration testing services; headquartered in Quarry Bay, Hong Kong, with operations in Singapore, China, and the UK.

Managed IT Support
Business IT Solutions
Penetration Testing
+5 more
HKT Enterprise Cloud

HKT Enterprise Cloud

Network and Web Application Te...
Hong Kong 2 employees

Hong Kong-based cybersecurity service provider under Hong Kong Telecommunications (HKT) Limited; offers penetration testing and security health check services, with explicit penetration testing engagements listed on their website.

Penetration Testing
Security Health Check
Cloud Security Compliance
+2 more
HGC International Business

HGC International Business

Security Vulnerability Assessm...
Hong Kong 1361 employees

Hong Kong-based telecom and ICT solutions provider; offers cybersecurity services including penetration testing to identify security vulnerabilities, with detailed service pages confirming the offering.

Network Services
A2p Messaging
Digital And Voice Services
+5 more
Hong Kong Technology Information Limited

Hong Kong Technology Information Limited

Internal Penetration Testing
Hong Kong 1 employees

Hong Kong-based cybersecurity and data center services provider; offers penetration testing, security assessment, DNS firewall, and SIEM solutions; explicit Hong Kong office address in Kowloon; founded and operates primarily in Hong Kong.

Penetration Testing
Security Assessment
DNS Firewall
+5 more
Hgc Global Communications

Hgc Global Communications

Network and System Penetration...
Hong Kong 437 employees

Hong Kong-based telecom and cybersecurity provider; offers fixed-line services and penetration testing solutions; headquarters in Hong Kong confirmed by LinkedIn, PitchBook, and Wikipedia; actively promotes security testing services including penetration testing on official platforms.

Https://www.hgc.com.hk/share/assets/images/logo/hgc-logo-en-horizontal-color.png
CyberkeeperHK

CyberkeeperHK

Human-Led Penetration Testing
Hong Kong 5 employees

CyberkeeperHK is a Hong Kong-based cybersecurity firm specializing in penetration testing services; they emphasize real-world, human-led testing to assess and improve security postures, positioning themselves as setting a new standard in cybersecurity.

DigiTech

DigiTech

Infrastructure and Cloud Penet...
Other 2 employees

DigiTech is a Hong Kong-based private IT system operations and maintenance company specializing in hardware, infrastructure, and network support; offers explicit penetration testing services including infrastructure and cloud pentests based on SANS methodology; 2 employees with -66.7% YoY growth; headquartered in Hong Kong, with active social media and recent news updates.

VPS Hosting
Dedicated Hosting
Managed Hosting
+5 more
HKT Enterprise Solutions

HKT Enterprise Solutions

Standard Penetration Testing
Hong Kong 99 employees

Hong Kong-based cybersecurity firm specializing in penetration testing services; offers authorized vulnerability assessments and cyber health checks, leveraging PCCW-HKT's extensive network and system integration expertise.

Penetration Testing
Vulnerability Assessment
Cyber Health Checks
+5 more
HKBN Enterprise Solutions

HKBN Enterprise Solutions

Critical Infrastructure Penetr...
Hong Kong 194 employees

Hong Kong-based ICT solutions provider specializing in cybersecurity; offers penetration testing services including threat assessments and security health checks with authorized cyberattacks; headquartered in Hong Kong, HK.

Penetration Testing
Threat Assessments
Security Health Checks
+5 more
HKBN

HKBN

Network Security Testing
Hong Kong 3670 employees

Hong Kong broadband provider and cybersecurity company; offers penetration testing services as part of its security solutions, including assessment and penetration tests in its cybersecurity offerings. • Headquartered in Hong Kong; Provides residential and commercial fiber broadband services.

Broadband Services
Penetration Testing
Vulnerability Assessment
+5 more
New Sky Internet Limited

New Sky Internet Limited

Network Security Penetration T...
Hong Kong, Hong Kong 4 employees

Hong Kong-based IT services and consulting company specializing in networking and security solutions; offers penetration testing, security assessment, incident response, and managed engineering services; founded in 1997; operates a small team with 1 employee.

Network Security
Managed Engineering Service
Security Assessment (penetration Testing)
+4 more
iSystems Security

iSystems Security

Penetration Testing & Vulnerab...
Hong Kong 18 employees

Hong Kong-based cybersecurity company founded in 2010; offers penetration testing and vulnerability assessment services; explicitly states Hong Kong origin and security service offerings.

Security Risk Assessment & Audit
Penetration Testing & Vulnerability Assessment
Privacy Impact Assessment
+5 more
Hazedawn Limited

Hazedawn Limited

Penetration Testing and Ethica...
Hong Kong 11 employees

Hazedawn Limited is a Hong Kong-based IT services and consulting firm specializing in digital solutions such as web development, marketing, and cybersecurity. With 8 employees and 10% annual growth since 2017, they offer services including penetration testing, security assessments, and ethical hacking, emphasizing their expertise in cybersecurity testing and vulnerability exploitation.

Social Media
Web And App Development
Article Write-up
+5 more
Binary Solutions Limited

Binary Solutions Limited

Red Team Penetration Testing
Kowloon, Hong Kong 4 employees

Cybersecurity solutions company based in Hong Kong; founded in 2009 with 1 employee, specializing in penetration testing, vulnerability assessment, risk management, and information security consulting. They focus on bespoke security services, with a web presence of 557 monthly visits, serving clients in the cybersecurity and compliance sectors.

Penetration Testing
Corporate Investigations
Forensic Consulting
+1 more
Dyxnet

Dyxnet

Network and Enterprise Applica...
Hong Kong 201 employees

Hong Kong-based enterprise network solutions provider; offers MPLS, SD-WAN, dedicated internet, and cybersecurity services including penetration testing and vulnerability scanning, with headquarters in New Territories, Hong Kong.

MPLS
SD-WAN
Dedicated Internet
+5 more