Freelancer profile translated to English.
Back to original languageAbout Théophile
Bilingual FR/EN cybersecurity consultant, OSCP and OSWE certified, specializing in web, API, and application penetration testing. I help companies identify, exploit, and remediate critical vulnerabilities to sustainably strengthen their security.
French
Native or bilingual
English
Native or bilingual
Can work on-site
Lyon (up to 30km), Grenoble (up to 20km)
Experience
- SCHNEIDERCybersecurity Consultant / PentesterCONSULTING AND AUDITSNovember 2024 - February 2025 (3 months)Grenoble, FranceCybersecurity mission focused on securing cloud-hosted web applications and APIs.Objectives and achievements:
- Conducted 7 application security audits in accordance with internal standards and OWASP Top 10 guidelines
- Identified over 100 vulnerabilities, including 4 critical ones, with detailed technical analyses and tailored remediation recommendations
- Collaborated closely with Blue Team and international Component Teams to ensure the correction and validation of security measures
- Contributed to improving secure development standards by integrating lessons learned from audits into technical team processes
- FreelanceCybersecurity Consultant / PentesterCONSULTING AND AUDITSJanuary 2022 - Today (4 years and 5 months)Independent consultant specializing in web application security, I assist companies in evaluating and strengthening their cybersecurity posture.I perform comprehensive technical audits such as penetration tests, counter-audits, code reviews, and API pentests to identify critical vulnerabilities, whether they are flaws from the OWASP Top 10, known CVEs, or specific business logic issues.My approach combines technical rigor and operational clarity:• Controlled analysis and exploitation of vulnerabilities in complex environments• Writing clear and prioritized reports, adapted for technical and decision-making teams• Formulating concrete and prioritized recommendations for rapid and measurable security reinforcementMy goal is to provide a precise view of the attack surface and propose pragmatic actions to sustainably elevate the security level of the audited systems.
Reviews
Pierre-Marie
Escures Developpement
Reviewed on 10/1/2025
Very responsive and available, complete and quality audit performed quickly. Spoiler: he found many tricky vulnerabilities. We will not hesitate to call on Théo again for regular counter-audits.
Claire
3 - SE - Global functions - Schneider Digital
Reviewed on 2/17/2025
Théophile joined our team for a three-month period as a penetration tester. During this time, he demonstrated exceptional ability to integrate seamlessly into our team. His adaptability and collaborative spirit were evident from the start, making him a valuable team member.
He excelled in working within our international and technical environment, effectively communicating and collaborating with colleagues from diverse backgrounds. His expertise as a penetration tester is well-established, and he consistently identified critical findings with precision. Additionally, his reporting skills are commendable, providing clear and actionable insights.
Overall, Théophile has proven to be a highly skilled and reliable professional, and his contributions have been greatly appreciated.
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Education
- Offensive Security Certified Professional (OSCP)Offensive Security2021
- Offensive Security Web Expert (OSWE)Offensive Security2021
Certifications
- Offensive Security Web Expert (OSWE)Offensive Security2021
- Offensive Security Certified Professional (OSCP)Offensive Security2021