Offensive Emulation

Validated by Attack. Defense in Depth.

COFFSec is a Hong Kong cybersecurity consultancy and research collective dedicated to creating a safer digital world. We aim for real-world impact that scales. Our cutting-edge security consulting and innovative research for global technology partners directly influence people, processes, and technologies helping to safeguard the digital lives of billions.

Who we are

Mission

Safeguard the security of critical computer systems and infrastructures.

Vision

Build a safer digital world and enhance overall computer system security in Hong Kong.

Values

Ensure Confidentiality, Integrity, and Availability (CIA) of your data.

Certifications
Offensive Security certification badge
Offensive Security certification badge
Offensive Security certification badge
Offensive Security certification badge
Offensive Security certification badge
Offensive Security certification badge
Offensive Security certification badge
Offensive Security certification badge
Offensive Security certification badge
Offensive Security certification badge
Offensive Security certification badge
Offensive Security certification badge
Offensive Security certification badge
Offensive Security certification badge
Offensive Security certification badge
Offensive Security certification badge
Services

Core Services

Comprehensive security assessments tailored to your organization's needs

01

Red Team & Purple Team

Advanced adversary simulation

Adversary SimulationSocial EngineeringMITRE ATT&CK
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02

Web & Mobile Penetration Testing

Comprehensive application security assessments

OWASP Top 10API SecurityMobile App Testing
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03

Source Code Review

Automated static analysis for vulnerability detection

Static AnalysisVulnerability DetectionSecurity Patterns
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04

Network Penetration Testing

External infrastructure security assessment

External TestingInfrastructure ReviewService Enumeration
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05

Incident Response

Rapid containment and recovery from security incidents

Incident TriageContainment & RecoveryForensic Analysis
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06

GenAI Security

Red-teaming & guardrailing for LLM and AI applications

Prompt Injection TestingRAG & Agent ReviewGuardrail Validation
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Our Team

Security professionals with proven track records

Our team brings together experienced offensive security practitioners with a proven track record across industry certifications, competitive achievements, and real-world vulnerability research.

Certified Expertise

Holders of top-tier industry certifications.

Proven in Competition

Recognized in national and international CTF events.

Real Research

Contributors to vulnerability research and responsible disclosure.

Get in Touch

Ready to Secure Your Organization?

Speak with a senior offensive security consultant about your environment. We map how an attacker would reach your critical assets, then help you close those paths.

What happens next
01

Response within 24 hours

A senior consultant reviews your request and replies directly.

02

Scoping call

We define targets, rules of engagement, and the testing window.

03

Testing begins under NDA

Confidentiality is in place before a single packet is sent.

No obligation, no sales pressure. A technical conversation with the team who will run the engagement.

We value your privacy

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