Pentest · Training · Consulting

Find your vulnerabilities before attackers do

Fenrir is a cybersecurity firm run by certified ethical hackers. We pentest web, mobile, network and IoT systems for teams in healthcare, finance and deliver a clear report with prioritised, actionable remediation.

Request a quote Our services
Certified expertise
  • Certified Ethical Hacker (CEH)
  • CompTIA Pentest+
  • Certified EC-Council Instructor
Recognised & accredited
Cybermalveillance.gouv.fr referenced provider France Num accredited activator
Original research

We disclose vulnerabilities and publish security advisories from our own lab.

Read our advisories
Fenrir
Who we are

A certified expertise

All of our services (PenTest, Training, Consulting, Incident Response, DDoS attack remediation […]) are managed by one or more certified experts (Certified Ethical Hacker, Pentest+, Certified EC-Council Intructor, […]). We always aim to elevate our crafts, bringing innovation to penetration testing and IT traning. Our team has been working for several years for small companies to large organizations in the government, banking and medical domains.

  • Certified ethical hackers — CEH, Pentest+, EC-Council Instructor
  • Reports with clear, prioritised and actionable remediation
  • Proven across government, banking and medical organisations
  • Referenced by Cybermalveillance.gouv.fr and France Num
More about us
What we do

Our Services

Three ways we help you find and fix weaknesses before attackers reach them.

Penetration Testing

Detect the vulnerabilities of your infrastructure through a Penetration Test carried out by a certified expert in Ethical Hacking! Each of our Pentests is delivered with an exhaustive report containing remediation advice in order to be able to secure your information system as well as possible.

Training

Have your teams trained on the topics of IT security, in e-learning or face-to-face according to your needs.

We offer training in Ethical Hacking, Introduction to Cybersecurity and the C|EH and Pentest+ certifications. We develop 100% homemade lab environments showcasing innovative exploitation techniques and defense tools.

Consulting

Do you need help assessing your security needs? Finding the best software solution for your needs? Benefit from a tailor-made support for the development and implementation of your IT projects.

We assist you in the choice and implementation of technologies to ensure the security of your data.
View all services
Testimonials

Trusted by the teams we work with

You get the feeling that Fenrir is up to date with cybersecurity, they know what the current threats are and how to prevent them. If you’re looking for people who combine education, goodwill and real professional expertise when it comes to cyber threats, you’ve come to the right place.
Maxime Guémon
Maxime Guémon

Independent

2nd mission with Fenrir after a first one 3 years ago for a web audit (Firebase & Angular Suite) Already excellent at the time, Jérémie is now very experienced: Meticulous and structured work. Clear and complete test report. Pedagogical in his explanations. Perfect!
Mahé Cornillon
Mahé Cornillon

Director @OTB SAS

An extremely competent and conscientious professional, who left no stone unturned and produced a more than comprehensive report.I would recommend him without hesitation.
Jean-Phillipe Helal
Jean-Phillipe Helal

Director @Nature Verte

Need a penetration test or cybersecurity training? Let’s scope it together.

Get a quote