10/28/2026 updated


100 % available
Security Advisor, Offensive Ops & Penetration Tester
Copenhagen, Denmark
Only remote
About me
Pentester with focus on web security. I don't have premium, so I can't view private messages here. Feel free to reach out at https://www.linkedin.com/in/martin-thirup-christensen-08b85ab0/ Or email: Martin--t@hotmail.com
Penetration Testing of Web Applications
Extensive experience conducting in-depth penetration tests of web applications, mobile applications, and operating systems based on OWASP principles, using advanced tools and techniques to discover and remediate critical vulnerabilities.
Vulnerability Assessments
Comprehensive vulnerability assessments across complex systems including government applications, financial platforms, and telecommunications infrastructure, delivering actionable and risk-based remediation recommendations.
Security Consulting
Strategic security consulting covering cyber strategy, planning and development of security tests for clients in both the public and private sectors, including financial institutions, retail, and large enterprises.
Bug Bounty & Vulnerability Disclosure
Active participation in Bug Bounty and Vulnerability Disclosure Programs, reporting critical vulnerabilities to organizations such as M&T Bank, Wells Fargo, and US government and military systems, achieving a global ranking of 331st out of over 200,000 users on HackerOne.
Purple Team Engagements
Collaboration with blue teams on internal and external systems, conducting combined offensive and defensive security assessments to strengthen organizational security posture.
Network Security Testing
Conducting vulnerability tests and penetration tests on internal networks and web servers, identifying weaknesses and providing structured recommendations for remediation.
CVE Research & Discovery
Discovery and responsible disclosure of new CVEs, including CVE-2023-7252, CVE-2018-17061, and CVE-2017-7384, covering vulnerabilities in widely used software and plugins.
ISO 27001/27002 Alignment
Expertise aligned with industry best practices and applicable standards including ISO 27001/27002, ensuring security assessments and recommendations meet recognized compliance frameworks.
Burp Suite
Certified Burp Suite Practitioner (2024), applying advanced web application testing capabilities using Burp Suite as a primary tool in penetration testing engagements.
Extensive experience conducting in-depth penetration tests of web applications, mobile applications, and operating systems based on OWASP principles, using advanced tools and techniques to discover and remediate critical vulnerabilities.
Vulnerability Assessments
Comprehensive vulnerability assessments across complex systems including government applications, financial platforms, and telecommunications infrastructure, delivering actionable and risk-based remediation recommendations.
Security Consulting
Strategic security consulting covering cyber strategy, planning and development of security tests for clients in both the public and private sectors, including financial institutions, retail, and large enterprises.
Bug Bounty & Vulnerability Disclosure
Active participation in Bug Bounty and Vulnerability Disclosure Programs, reporting critical vulnerabilities to organizations such as M&T Bank, Wells Fargo, and US government and military systems, achieving a global ranking of 331st out of over 200,000 users on HackerOne.
Purple Team Engagements
Collaboration with blue teams on internal and external systems, conducting combined offensive and defensive security assessments to strengthen organizational security posture.
Network Security Testing
Conducting vulnerability tests and penetration tests on internal networks and web servers, identifying weaknesses and providing structured recommendations for remediation.
CVE Research & Discovery
Discovery and responsible disclosure of new CVEs, including CVE-2023-7252, CVE-2018-17061, and CVE-2017-7384, covering vulnerabilities in widely used software and plugins.
ISO 27001/27002 Alignment
Expertise aligned with industry best practices and applicable standards including ISO 27001/27002, ensuring security assessments and recommendations meet recognized compliance frameworks.
Burp Suite
Certified Burp Suite Practitioner (2024), applying advanced web application testing capabilities using Burp Suite as a primary tool in penetration testing engagements.
Languages
EnglishFluent
Project history
Technical lead on multiple pentest assignments on various web applications used by the specific government agency. The task included two in-depth penetration tests of functionality in web servers based on the OWASP principles and one test of two mobile applications. Several advanced hacks and techniques were needed to discover vulnerabilities.
Technical lead on multiple pentest assignments on various web applications used by the specific government agency. The task included a vulnerability test and an in-depth penetration test of functionality based on the OWASP principles. Several advanced tools and techniques were required to discover vulnerabilities.
Performing penetration testing, web application testing and vulnerability scanning of networks. Sparring and advice in connection with cyber strategy, planning and development of security tests for clients in both the public and private sectors, including the financial sector, retail, etc.