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Security report for mymuesli.de

mymuesli · Retail · Germany

Low risk. 1 critical or high finding in SSL/TLS.

Security score

82/100

Risk levelLow

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

mymuesli is a German-based e-commerce company specializing in personalized organic muesli products. The website offers a high-quality user experience with a focus on organic ingredients and customization, targeting health-conscious consumers. The company leverages Shopify as its e-commerce platform, integrating various third-party services for customer reviews, loyalty programs, and marketing automation. The site is well-optimized for performance, mobile responsiveness, and SEO, reflecting a mature digital infrastructure. Security posture is strong with HTTPS enforcement and security headers, although explicit security policies and incident response information are not publicly available. Privacy compliance is robust, featuring comprehensive privacy and cookie policies with consent mechanisms. The absence of publicly available WHOIS data slightly impacts business credibility but does not detract from the overall legitimacy of the site. Strategic recommendations include publishing security and incident response policies and enhancing transparency around domain registration.

Scanned

NIS2 and GDPR posture

GDPR outside view
100/ 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

1 finding rated critical or high. Fix these first.

  1. 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 SSL Key Length

      SSL certificate uses 256-bit key, which is considered weak

      What to do: Use at least 2048-bit RSA or 256-bit ECC key

      • CWE-326
      • OWASP A04:2025
      • Mozilla TLS: Mozilla Server Side TLS 6.0 intermediate: rsa_key_size 2048

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

Keep watching mymuesli.de

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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
75
Security headers
75
Email security
65
DNS health
75
Network security
100
GDPR outside view
100
Average
82

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

mymuesli operates in the retail sector with a focus on organic and personalized food products. Its business model centers on direct-to-consumer online sales, supported by subscription options and loyalty programs. The company maintains a consistent brand presence and leverages customer reviews to build trust. Its market position is that of a specialized niche player in the organic muesli segment, with a medium-sized operational scale. The integration of marketing and analytics tools like Klaviyo and Google Tag Manager indicates a data-driven approach to customer engagement. While the company does not publicly disclose detailed corporate structure or founding year, the website's professionalism and technology stack suggest a stable and established operation.

Security posture

The website demonstrates a solid security posture with HTTPS enforced and multiple security headers implemented, reducing common web vulnerabilities. The use of cookie consent and privacy compliance mechanisms aligns with GDPR requirements. However, the lack of a publicly accessible security policy or incident response plan limits transparency and preparedness perception. No vulnerabilities or exposed sensitive data were detected in the HTML content or scripts. Third-party integrations are standard for e-commerce but should be regularly audited to mitigate supply chain risks. Overall, the security maturity is good but could be improved by publishing formal security documentation and contact channels for security incidents.

Recommendations

  1. Publish a dedicated security policy page outlining security practices and controls.
  2. Establish and publicize an incident response contact channel to improve transparency and trust.
  3. Implement a vulnerability disclosure policy or security.txt file to encourage responsible reporting.
  4. Regularly review and update third-party scripts and integrations to minimize security risks.
  5. Enhance business credibility by ensuring WHOIS data is accurate and publicly accessible or justified if privacy protected.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
mymuesli
Description
Für Dich gemixt aus besten Bio-Zutaten und viel Liebe - Höchste Müsli-Qualität - Ohne künstliche Zusätze - Mix Dir jetzt Dein Lieblingsmüsli!
Key services
Personalized muesli mixing, Online retail, Subscription services
Content quality
good
Branding
consistent

Technology

Stack
Shopify, Google Tag Manager, LoyaltyLion, Judge.me, Klaviyo, JavaScript ES6 modules, CSS3, HTML5
Frameworks
Shopify Liquid, Embla Carousel
Platforms
Shopify e-commerce platform
Performance
fast
Mobile
excellent
Accessibility
good
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Cookie consent mechanism implemented
  • No exposed sensitive data in HTML
  • Use of security headers

Analytics and tracking

Services
Google Analytics (via GTM), Shopify Analytics, Klaviyo
Tracking level
moderate
Privacy practices
good

Advertising

Tracking pixels
Klaviyo, Judge.me, LoyaltyLion
Marketing tools
Klaviyo, LoyaltyLion
Transparency
good

Site quality

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

Key observations

  1. Website is fully accessible with rich content and e-commerce functionality
  2. Uses Shopify platform with multiple third-party integrations for reviews, loyalty, and marketing
  3. Strong privacy and cookie consent mechanisms in place
  4. No direct contact emails or phone numbers found in the HTML content; contact likely via contact page form
  5. No explicit security policy or incident response page found
  6. WHOIS data unavailable, possibly due to privacy protection or registry issues
Technical notes

Notes

The website is built on the Shopify platform, utilizing modern web technologies including ES6 JavaScript modules, CSS3, and HTML5. It integrates several third-party services such as LoyaltyLion for customer loyalty, Judge.me for reviews, and Klaviyo for marketing automation. The site uses Google Fonts and employs advanced front-end components like Embla Carousel for UI interactions. Hosting is via Shopify's CDN, ensuring fast content delivery and high availability. Performance metrics indicate fast loading times and excellent mobile optimization. SEO is well addressed with proper meta tags, Open Graph data, and hreflang tags for multilingual support. Accessibility features are present but could be further enhanced. Overall, the technical infrastructure is modern, scalable, and well-maintained.
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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