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Security report for felmat.net

株式会社ロンバード · Technology · Japan

Medium risk. 5 critical or high findings in Security headers, GDPR outside view and 1 other check.

Security score

69/100

Risk levelMedium

0–100, higher is better. How it is calculated

felmat (フェルマ) is a Japanese closed affiliate service operated by 株式会社ロンバード since 2012, positioning itself as one of the largest and top-rated closed ASPs in Japan. The service focuses on performance-based internet advertising with a selective network built through invitation and referral. The website is professionally designed, mobile-optimized, and integrates modern frontend technologies including Bootstrap and Google reCAPTCHA for form security. Privacy policy and terms of service are clearly presented, supporting compliance efforts. However, the absence of WHOIS registration data for the domain www.felmat.net raises concerns about domain legitimacy and registration status, which impacts overall trustworthiness. No direct contact emails or phone numbers are provided, with inquiries handled via a contact form. Security posture is generally good with HTTPS and CAPTCHA protections, but lacks some security headers and incident response information.

Scanned

NIS2 and GDPR posture

GDPR outside view
53/ 100 · Medium
Checks completed
7of 7

NIS2 Art. 21(2)

  1. (a) Risk analysis and security policies: Not visible from outside
  2. (b) Incident handling: One indicator
  3. (c) Business continuity, backups and crisis management: Not visible from outside
  4. (d) Supply chain security: Not visible from outside
  5. (e) Secure acquisition, development and maintenance, including vulnerability handling: Partly checked
  6. (f) Assessing the effectiveness of security measures: Not visible from outside
  7. (g) Cyber hygiene and security training: Not visible from outside
  8. (h) Cryptography and encryption: Partly checked
  9. (i) HR security, access control and asset management: One indicator
  10. (j) Multi-factor authentication and secured communications: Not visible from outside

This scan rated NIS2 with an earlier keyword method that is no longer shown; rescan for the per-article view. Risk management, continuity, supply chain, training, MFA, management oversight (Art. 20) and incident reporting (Art. 23) need internal evidence, and Guard cannot tell whether NIS2 applies to this organisation.

GDPR is indicative only, based on publicly visible signals: Articles 7, 12, 13 and 32 of Regulation (EU) 2016/679 and Article 5(3) of the ePrivacy Directive. Not a certification or legal assessment.

Priority findings

5 findings rated critical or high. Fix these first.

  1. Security headers

    Security headers are instructions your web server sends to every visitor’s browser. Missing ones leave visitors more exposed to attacks such as clickjacking and injected scripts.

    • High

      Missing Strict-Transport-Security header

      Forces HTTPS connections

      What to do: Add "Strict-Transport-Security: max-age=31536000; includeSubDomains; preload"

      • CWE-319
      • OWASP A04:2025
      • ASVS V3.4.1
    • High

      Missing Content-Security-Policy header

      Controls resources the browser is allowed to load

      What to do: Implement a Content-Security-Policy appropriate for your application

      • ASVS V3.4.3
      • OWASP Secure Headers: OWASP Secure Headers Project recommends Content-Security-Policy: default-src 'self'; form-action 'self'; base-uri 'self'; object-src 'none';…
  2. GDPR outside view

    These are the privacy signals visitors and data protection authorities look for under GDPR.

    • High

      No Cookie Policy found

      GDPR requires clear information about cookie usage

      What to do: Add a dedicated cookie policy explaining cookie usage and purposes

    • High

      No Cookie Consent Banner found

      GDPR requires explicit consent for non-essential cookies

      What to do: Implement a cookie consent banner that appears on first visit

  3. SSL/TLS

    TLS encrypts the connection and proves the site is really yours. Weak or expiring certificates trigger browser warnings and put traffic at risk.

    • High

      Weak Protocols Supported

      Server supports weak protocols: TLSv1.1

      What to do: Disable TLS 1.0, TLS 1.1, and all SSL versions

      • CWE-327
      • OWASP A04:2025
      • ASVS V12.1.1

Need hands-on remediation? Email guard@offseq.com

Keep watching felmat.net

This scan found 23 issues across 6 checks. Monitoring re-runs those checks daily, emails you when something material changes and records each fix, so you can show progress.

Daily monitoring

Recommended

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  • TLS certificates and expiry
  • DNS records
  • SPF, DKIM and DMARC
  • Security headers
  • GDPR and NIS2 posture
  • Exposed services
  • Third-party trackers
  • Security score drift

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Results by check

Each check with its score, findings and the evidence it collected.

How this score is calculated

The security score runs 0–100, higher is better. It is the plain average of the security checks that completed in this scan, each counted equally. A check that could not run is left out: it counts neither as a pass nor as a fail.

Counted in this score

SSL/TLS
77
Security headers
35
Email security
75
DNS health
75
Network security
100
GDPR outside view
53
Average
69

Not counted

  • NIS2 outside view: Re-weights evidence from the TLS, email, DNS, network and hygiene checks, so counting it would count that evidence twice. Shown on its own.
  • OffSeq Observations: An AI reading of the site, useful context but not reproducible evidence. Shown on its own.

Findings that cap the score at 49

Each of these is serious on its own, so while any is present the site cannot rate better than high risk, however good the other checks are.

  • The certificate is not trusted by browsers
  • The website is not served over HTTPS
  • A database, remote desktop, file-sharing or Telnet service is reachable from the internet
  • The page loads a script from a compromised source
  • The domain registration has expired
  • SPF authorises every server to send mail as the domain

Partial scans

When the site blocks Guard or most checks cannot run, the score covers only the checks that ran (usually DNS and email), is capped at 75 and is shown as partial, without a risk level.

Risk levels

  • Critical0–25
  • High26–49
  • Medium50–75
  • Low76–100

Breach exposure

Leaked credentials and lookalike domains from OffSeq Breach. The counts are free; the detailed lists are paid add-ons.

Dark web exposure

Add-on

Leaked records that mention felmat.net, from OffSeq Breach.

Total records
387
Employees
0
Customers
336
Third parties
51
Weak passwords
25%

8 subdomains affected

See the 10 newest leaked credentials

A one-off add-on to this report that lists the most recent identifier and password pairs OffSeq Breach holds for felmat.net.

Select it in the checkout above.

Breach keeps ingesting new leaks, so these numbers can grow between scans.

Technical appendix

Business context, site observations and technical notes gathered during the scan, and the standards behind each reference.

Business context

Business profile

The company operates in the technology sector, specifically in digital marketing and affiliate advertising. It targets advertisers and media partners in Japan, leveraging a closed network model to ensure quality and maximize acquisition results. The business model is performance-based, relying on commissions from successful promotions. The company has a strong market position with multiple industry satisfaction awards. The parent company, 株式会社ロンバード, is prominently linked and appears to be the main operator. The website content is consistent with the business claims, though the domain registration inconsistency is a notable risk factor. The company does not publicly disclose direct contact details or certifications, which may limit transparency for some stakeholders.

Security posture

The website enforces HTTPS and integrates Google reCAPTCHA to protect forms from automated abuse, indicating a baseline security awareness. However, no security headers such as Content-Security-Policy or X-Frame-Options were detected, which are recommended to mitigate common web attacks. There is no published incident response or vulnerability disclosure policy, limiting transparency and preparedness for security incidents. The lack of cookie consent mechanisms may also pose compliance risks under GDPR or similar regulations. Overall, the security posture is moderate but could be improved by implementing additional headers, publishing security policies, and enhancing privacy compliance.

Recommendations

  1. Register the domain properly and ensure WHOIS data is publicly available to improve trust and legitimacy.
  2. Implement standard security headers (CSP, X-Frame-Options, X-Content-Type-Options) to enhance protection against web attacks.
  3. Add a cookie consent banner or mechanism to comply with privacy regulations and improve user transparency.
  4. Publish an incident response contact and vulnerability disclosure policy or security.txt file to demonstrate security maturity.
  5. Provide direct contact information such as company emails or phone numbers to improve business credibility and user trust.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
株式会社ロンバード
Description
felmat(フェルマ)は、日本最大級のクローズドアフィリエイト・サービスです。業界トップクラスの9,000以上の広告運用実績を誇り、良質な顧客 × 獲得数の最大化が行える独自の成果報酬型のインターネット広告です。
Key services
クローズドアフィリエイトサービス, 広告運用, スカウト・紹介によるネットワーク構築
Content quality
good
Branding
consistent

Technology

Stack
Bootstrap 4.3.1, Font Awesome 4.7.0, jQuery 3.3.1, Popper.js 1.14.7, Google reCAPTCHA v3
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
80/100
Good practices seen
  • HTTPS enforced
  • Google reCAPTCHA integration on forms

Analytics and tracking

Tracking level
minimal
Privacy practices
basic

Advertising

Tracking pixels
Google reCAPTCHA
Transparency
basic

Site quality

Design
good
User experience
good
Content relevance
good
Navigation
good
Professionalism
good
Trustworthiness
high

Key observations

  1. Website content is fully accessible with no WAF or blocking detected.
  2. WHOIS data is missing or domain appears unregistered, which is unusual for an active business site.
  3. Website uses modern frontend technologies and includes Google reCAPTCHA for form security.
  4. Privacy policy and terms of service are present and linked clearly.
  5. No explicit cookie consent mechanism detected.
  6. Contact information is only available via inquiry form; no direct emails or phone numbers found.
  7. Website is in Japanese and targets Japanese market.
  8. Business is positioned as a leading closed affiliate service in Japan.
  9. No security.txt or vulnerability disclosure policy found.
  10. No explicit incident response or security contact information found.
Technical notes

Notes

The website uses a modern frontend stack including Bootstrap 4.3.1, Font Awesome 4.7.0, jQuery 3.3.1, and Popper.js, ensuring responsive design and good user experience. Google reCAPTCHA v3 is integrated for form security. The site is mobile-optimized and SEO-friendly with proper meta tags and canonical links. However, no CMS or backend technology was detected from the HTML content. Performance is moderate, with external dependencies on CDNs for CSS and JS. There is no evidence of advanced frameworks or hosting provider details. The site could benefit from improved accessibility features and enhanced security configurations.
Standards and sources

Reference chips under each finding point to the standard, regulation or specification the finding relates to. They are taken from the official datasets below and mapped conservatively: a finding with no defensible link shows none. NIS2 and GDPR references mark where a finding is relevant evidence, not a compliance verdict. Implementing Regulation (EU) 2024/2690 binds digital infrastructure and digital service providers; for other entities it is the most detailed public reading of the Article 21 measures. WCAG, EN 301 549, European Accessibility Act and Web Accessibility Directive references name the requirement an automated accessibility rule relates to; they are not a conformance verdict.

Retrieved 2026-10-25

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