Cybersecurity background
    Offensive security · remote, across France

    Your flaws, found before attackers do.

    Security audits and penetration testing for organizations of all sizes. Start by scanning your site for free: in 30 seconds you'll see what an attacker already sees.

    Non-intrusive scan · Results in 30s · No sign-up

    Registered French company
    Top 500 worldwide on HackTheBox
    OWASP · PTES · OSSTMM methodology
    NDA signed before any test
    100% remote, across France

    Our Services

    Comprehensive cybersecurity solutions tailored to your needs

    Available now: Audit, Pentest, Web Development & Consulting
    Available

    Security Audit & Compliance

    Comprehensive audits for ISO 27001, GDPR, NIS2, and industry standards.

    Available

    Pentest & Red Team

    Offensive security testing to identify vulnerabilities before attackers do.

    Available

    Secure Web Development

    Hand-coded websites designed with security at their core - unlike WordPress, Wix, or other CMS platforms vulnerable to exploits.

    Available

    Cybersecurity Consulting

    Strategic guidance to strengthen your security posture and resilience.

    How a mission unfolds

    A clear, no-surprise flow, from first contact to retest.

    1

    Scoping

    30-min call to define the scope, objectives and constraints. NDA signed.

    2

    Testing

    Execution within scope: OWASP Top 10, business logic, APIs, infrastructure.

    3

    Report

    Clear deliverable: executive summary, technical details, prioritized remediation plan.

    4

    Retest

    Fixes re-validated within 30 or 60 days. You're not alone after the report.

    Free tool

    Is your site an easy target?

    Our scanner analyzes your HTTP headers, SSL certificate and DNS configuration in 30 seconds. Get a security score and a detailed report, for free.

    HTTP headersSSL / TLSDNS, SPF & DMARCScore out of 100
    Run a free scan

    Non-intrusive · 30 seconds · No sign-up

    Why Choose RedSentinel?

    A trusted partner for proactive cybersecurity

    01

    Registered French company (SIRET 99339143200016), you contract with a legal entity.

    02

    Ranked top 500 worldwide on HackTheBox.

    03

    OWASP, PTES and OSSTMM methodologies applied on every mission.

    04

    NDA signed before any technical contact.

    05

    Clear upfront quote and timeline, report delivered within 7 business days.

    06

    Retest included as an option to validate your fixes.

    Case study

    They trusted us

    The collaboration was fluid and very professional: the audit methodology is clear and reassuring, and we were able to follow the progress step by step directly from their platform.
    DigitalKin
    DigitalKin
    France's first autonomous AI agent platform
    Verified Google review
    Read the case study

    Frequently asked questions

    Ready to Strengthen Your Security?

    Start with a free scan, or book a 15-minute call to discuss your context.