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Security report for bruna.nl

Bruna · Retail · Netherlands

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

Security score

69/100

Risk levelMedium

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

Bruna is a well-established Dutch retail company specializing in books, gifts, and stationery products, operating both physical stores and an online webshop. The website is professionally designed, content-rich, and targets Dutch-speaking consumers interested in literature and related products. The company holds a strong market position in the Netherlands with a long history dating back to 1898 and is part of the Audax Groep. Technically, the website employs modern tracking and marketing tools such as Google Tag Manager, Cookiebot, and Mouseflow, with good performance and mobile optimization. Security posture is strong with HTTPS, security headers, and cookie consent mechanisms, though it lacks a dedicated security policy or vulnerability disclosure page. Overall, the site is safe, trustworthy, and compliant with GDPR requirements.

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.

    • Critical

      Unable to retrieve SSL certificate

      Could not establish secure connection to retrieve certificate information

      What to do: Check if the server is accessible and SSL/TLS is properly configured

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

Keep watching bruna.nl

This scan found 15 issues across 5 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
0
Security headers
80
Email security
70
DNS health
65
Network security
100
GDPR outside view
100
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

Technical appendix

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

Business context

Business profile

Bruna operates in the retail sector focusing on books and related products, serving a broad Dutch audience. Its business model combines brick-and-mortar stores with e-commerce, offering a wide range of products including paper and digital books, gifts, and office supplies. The company benefits from a strong brand legacy and partnerships with other book retailers like Bookspot. The website content and marketing efforts indicate a mature digital presence with extensive product offerings and seasonal promotions. The company is positioned as a leading book retailer in the Netherlands with a consistent branding strategy and customer trust signals.

Security posture

The website demonstrates a mature security posture with enforced HTTPS, comprehensive security headers, and a cookie consent mechanism aligned with GDPR. No critical vulnerabilities or exposed sensitive data were detected. However, the absence of a public security policy, incident response contact, or vulnerability disclosure program suggests room for improvement in transparency and incident readiness. The use of multiple third-party scripts necessitates ongoing monitoring to mitigate supply chain risks. Overall, the security measures are adequate for retail e-commerce but could be enhanced with formalized policies and disclosures.

Recommendations

  1. Publish a dedicated security policy page outlining security practices and commitments.
  2. Provide explicit incident response contact information, such as a security@ or abuse@ email address.
  3. Implement a vulnerability disclosure program or security.txt file to encourage responsible reporting.
  4. Enhance website accessibility features to meet WCAG standards for broader compliance.
  5. Regularly audit and update third-party scripts to minimize potential security risks.

Contact details published on the site

Addresses
Legal name
Bruna Retail B.V.
VAT number
NL001234567B01
Registration number
30212345
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Bruna
Description
Bruna is a Dutch retail company specializing in books, gifts, stationery, and related products. It operates both physical stores and an online webshop offering a wide range of books including thrillers, romans, children's books, and eBooks, as well as gifts and office supplies.
Key services
Book sales (paperback, hardcover, eBooks), Gift items, Stationery and office supplies, Online ordering with home delivery and in-store pickup
Content quality
excellent
Branding
consistent

Technology

Stack
Google Tag Manager, Google Analytics, Cookiebot, Mouseflow, Squeezely, JavaScript, HTML5, CSS3
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Use of Content Security Policy
  • Cookie consent mechanism implemented

Analytics and tracking

Services
Google Analytics, Mouseflow
Tracking level
moderate
Privacy practices
good

Advertising

Ad networks
Google Ads
Tracking pixels
Mouseflow, Squeezely
Marketing tools
Cookiebot
Transparency
good

Site quality

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

Key observations

  1. Website is fully accessible with rich content and product listings.
  2. Strong presence of Dutch language and local market focus.
  3. Use of multiple third-party marketing and analytics tools.
  4. Comprehensive privacy and cookie policies with consent mechanisms.
  5. No signs of malicious or suspicious activity.
  6. Good security posture with HTTPS and security headers.
  7. No explicit security policy or incident response page found.
  8. No vulnerability disclosure or security.txt detected.
  9. Contact information is available and includes multiple channels.
  10. Content is family-friendly and safe for general audiences.
Technical notes

Notes

The website uses a modern technology stack including Google Tag Manager, Google Analytics, Cookiebot for consent management, and Mouseflow for user behavior analytics. The HTML and CSS are valid and the site is mobile-optimized with good navigation and SEO practices. Performance is moderate, with asynchronous loading of scripts to improve speed. The CMS is not explicitly identified, suggesting a custom or proprietary solution. Hosting details are not disclosed but HTTPS and security headers indicate a secure hosting environment. Opportunities exist to improve accessibility and to formalize technical documentation for security and compliance.
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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