Pentest & offensive security
HDW Sec is a French company specializing in offensive and defensive cybersecurity. We conduct realistic penetration tests to identify exploitable vulnerabilities and provide a clear, prioritized remediation plan.
They trust us
To best ensure the cyber defense of companies and governments, our team offers a range of intellectual services to address concrete security challenges.
HDW SEC obtained the France Cybersecurity Label in January 2025 for its penetration testing, training and awareness offering.
This official label, awarded by an independent jury, attests to the quality and reliability of our services, in accordance with the demanding specifications established by the France Cybersecurity initiative.
We simulate real attacks to identify exploitable vulnerabilities and strengthen the security of your systems.
Simulation of real attacks on your systems, applications and networks to identify and prioritize exploitable vulnerabilities before an attacker does.
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Advanced attack scenarios combining physical intrusion, social engineering and cutting-edge offensive techniques to test your overall resilience.
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Development of custom offensive tools, vulnerability proof-of-concepts and offensive security research to stay one step ahead.
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Quickly identify sensitive data from your organization circulating on the darknet and receive actionable alerts.
Detect and take down websites selling counterfeit versions of your products through our monitoring engine and takedown procedures.
We give you access today to tomorrow's vulnerabilities. Confront your security mechanisms with new, unknown attacks.
We are passionate about information security and committed to providing high-quality services to protect your digital assets.
Co-founder
Co-founder
Cybersecurity engineer
Cybersecurity engineer
Social engineering expert
Translated from French
"To ensure a high level of security in our SaaS solutions, we trust HDW Sec. Their expertise and ongoing support allow us to offer our clients reliable, compliant and protected environments every day, with continuous monitoring for potential risks."
Didier SERRADEL
Founder, IDcapt
"Evolution Energie develops an energy trading software solution for large enterprises. Cybersecurity is a key driver in our development, and with HDW Sec we have found the right partner to meet these challenges."
Erwin Guizouarn
CEO, Evolution Energie
"HDW experts identified critical vulnerabilities and proposed pragmatic fixes. A concrete, fast impact on our security posture."
Marc Leroy
CTO, DataNova
Découvrez comment nous avons identifié plusieurs vulnérabilités critiques lors de l'audit d'une banque en ligne, incluant SQL Injection, contournement 2FA et IDOR.
Local privilege escalation vulnerability in Netskope Client Service allowing USER to SYSTEM escalation through chained vulnerabilities.
Critical stack buffer overflow vulnerability in Netgear UPnP daemon allowing remote code execution without authentication from WAN or LAN.
Get an estimate tailored to your scope and challenges.
