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Security report for interstuhl.com

Interstuhl · Furniture · Germany

Medium risk. 4 critical or high findings in Security headers and SSL/TLS.

Security score

75/100

Risk levelMedium

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

Scanned

NIS2 and GDPR posture

GDPR outside view
95/ 100 · Low
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

4 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 X-Frame-Options header

      Prevents clickjacking attacks

      What to do: Add "X-Frame-Options: DENY" or "X-Frame-Options: SAMEORIGIN"

    • 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. 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 interstuhl.com

This scan found 20 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.

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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
62
Security headers
20
Email security
85
DNS health
85
Network security
100
GDPR outside view
95
Average
75

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

Technical appendix

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

Business context

Business profile

Interstuhl operates in the manufacturing sector, focusing on office furniture and ergonomic seating. The business model revolves around producing and selling high-quality office chairs and related furniture, targeting corporate clients and ergonomic-conscious consumers. The company benefits from a family-owned structure, which may contribute to brand trust and market stability. The website's multilingual support and detailed cookie consent mechanism indicate a focus on international markets and regulatory compliance. The presence of multiple third-party marketing and tracking services suggests active digital marketing efforts. However, the lack of publicly available WHOIS data and contact details could hinder customer trust and raise questions in some markets. There is no evidence of partnerships or subsidiaries from the analyzed data. The company appears to maintain a consistent brand image and professional online presence, supporting its market position.

Security posture

The website demonstrates a moderate security posture. It uses HTTPS (implied by the URL) and employs Cookiebot for managing cookie consent, which is a positive privacy and security practice. However, no HTTP security headers such as Content-Security-Policy, X-Frame-Options, or Strict-Transport-Security were detected in the provided data, which are important for mitigating common web vulnerabilities. The absence of visible security or incident response policies and lack of contact channels for security incidents reduce the site's preparedness for handling security events. No vulnerable libraries or exposed sensitive data were identified, but the use of multiple third-party tracking services increases the attack surface and privacy risks. Overall, the site should enhance its security headers, publish clear security policies, and provide incident response contacts to improve its security maturity and compliance.

Recommendations

  1. Implement and enforce HTTP security headers including CSP, HSTS, and X-Frame-Options.
  2. Publish explicit security and incident response policies on the website.
  3. Enhance visibility of company contact information including emails and phone numbers.
  4. Regularly audit third-party scripts and tracking services to minimize privacy risks.
  5. Monitor domain registration status and ensure WHOIS data transparency.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Interstuhl
Description
Interstuhl is an independent, owner-run family company. Today's owners are Werner Link (Managing Director), the sons Joachim Link (Managing Director, Production
Key services
Office swivel chairs, Ergonomic seating, Office furniture
Content quality
good
Branding
consistent

Technology

Stack
Bootstrap, jQuery, Cookiebot, Leaflet, Slick Carousel
Frameworks
Bootstrap
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
70/100
Good practices seen
  • Cookie consent with granular controls

Analytics and tracking

Services
Google Analytics
Tracking level
extensive
Privacy practices
good

Advertising

Ad networks
Meta Platforms, Inc., Google, Pinterest
Tracking pixels
Facebook Pixel, Pinterest tracking
Marketing tools
Cookiebot consent management
Transparency
good

Site quality

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

Key observations

  1. Website uses Cookiebot for GDPR-compliant cookie consent management.
  2. No visible contact emails or phone numbers on the analyzed page content.
  3. WHOIS data is missing or not publicly available, which is unusual for a .com domain.
  4. Website content is professional and well-structured with multiple language alternates.
  5. No security headers detected in the provided data; SSL status unknown.
  6. Multiple third-party tracking and marketing services are used.
  7. No explicit security or incident response policies found on the site.
  8. No visible forms collecting personal data on the analyzed page.
  9. No social media links explicitly found in the truncated HTML content.
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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