Identity is the most dangerous code in your product. Make sure yours doesn't ship broken.

    Authentication code reviews, AI-driven security scans, and identity engineering for EU software teams. NIS2 and DORA evidence-ready.

    Authentication Code Review

    Fixed-fee · OAuth2 · OIDC · WebAuthn · Passkeys · Report in 10 days, from €1,500

    Industries & teams we have worked with

    SpectricityDeep Tech
    CNDXMusic Tech
    HearYourBrainMusic Tech
    RPStudiosCreative
    Social BuildersSocial Impact
    Saloufaki MCPYMaritime Services
    ManestraE-commerce
    IMECDeep Tech
    VeroTechTech Consulting
    SSOBuddyCybersecurity
    Digital FlandersDigital Governance
    Anodos ConstructionProperty Developer
    Prove / UnifyIDBehavioral Biometrics
    DatAnalysisWeb Development
    Camping Vrachos3D Virtual Visit
    SpectricityDeep Tech
    CNDXMusic Tech
    HearYourBrainMusic Tech
    RPStudiosCreative
    Social BuildersSocial Impact
    Saloufaki MCPYMaritime Services
    ManestraE-commerce
    IMECDeep Tech
    VeroTechTech Consulting
    SSOBuddyCybersecurity
    Digital FlandersDigital Governance
    Anodos ConstructionProperty Developer
    Prove / UnifyIDBehavioral Biometrics
    DatAnalysisWeb Development
    Camping Vrachos3D Virtual Visit

    Know exactly what is wrong with your authentication code

    A fixed-fee, fixed-scope security review of your OAuth2, OIDC, WebAuthn, or passkeys implementation — delivered in ten business days with an auditor-ready encrypted PDF. Built for engineering teams that want expert eyes on their authentication layer before an auditor, a breach, or a compliance questionnaire forces the issue.

    • OAuth2 / OIDC / WebAuthn / FIDO2 / Passkeys
    • OWASP ASVS-mapped findings per section
    • SOC 2 · ISO 27001 · DORA · NIS2 evidence pack
    • Auditor-ready encrypted PDF in 10 business days
    • Single Flow Review from €1,500
    • Full Auth Surface Review from €3,500
    auth-review-report.pdf — CONFIDENTIAL
    Authentication Code Reviewv1.0 · Final
    Reverse Polarity · Brussels · reversepolarity.be
    SectionStandardSeverity
    Algorithm ConfusionASVS 3.3.1CRITICAL
    PKCE State EntropyRFC 7636HIGH
    Session LifetimeASVS 2.2.1MEDIUM
    Token BindingRFC 6750LOW
    4 findings · 3 standardsEncrypted PDF · AES-256
    What you receive10 days

    Findings report

    PDF, typically 15–25 pages. Every finding includes location in code, severity, attack path, and remediation guidance, mapped to OWASP ASVS and relevant RFCs.

    Threat model

    A diagram and written analysis of your authentication surface, trust boundaries, and identity-specific risks.

    Prioritized remediation roadmap

    Table of findings with effort estimates and recommended timelines.

    60-minute review call

    Walk-through with your engineering team.

    30-day follow-up window

    Ask questions by email after delivery.

    Positive observations section

    Auditor-friendly attestation of controls that are correctly implemented.

    What you receive

    A complete review package within 10 business days. Every deliverable is structured to be immediately usable — by your engineering team and by your auditors.

    • Findings report

      PDF, typically 15–25 pages. Every finding includes location in code, severity, attack path, and remediation guidance, mapped to OWASP ASVS and relevant RFCs.

    • Threat model

      A diagram and written analysis of your authentication surface, trust boundaries, and identity-specific risks.

    • Prioritized remediation roadmap

      Table of findings with effort estimates and recommended timelines.

    • 60-minute review call

      Walk-through with your engineering team.

    • 30-day follow-up window

      Ask questions by email after delivery.

    • Positive observations section

      Auditor-friendly attestation of controls that are correctly implemented.

    See the full Auth Review page

    Pricing

    Fixed-fee, visible upfront. Prices exclude VAT (21% BTW/TVA, where applicable).

    Single Flow Review
    €1,500

    One authentication flow (e.g., OAuth2 login, WebAuthn registration, or SSO integration). One repository.

    Book a scoping call
    Full Auth Surface Review
    €3,500

    Up to three flows, one repository. Includes federation and multi-tenant analysis if applicable.

    Book a scoping call

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    Ready to secure your authentication code?

    Start with a free 30-minute scoping call.

    No payment required. We confirm scope, answer questions, and send a quote within 24 hours.