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Security report for baslerstadtbuch.ch

Basler Stadtbuch · Media · Switzerland

Medium risk. 6 critical or high findings in Email security, SSL/TLS and 1 other check.

Security score

64/100

Risk levelMedium

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

Basler Stadtbuch is a reputable digital cultural archive dedicated to preserving and presenting the historical memory of Basel since 1879. The website offers rich historical content including articles, dossiers, and daily historical events, targeting the general public interested in Basel's heritage. Technically, the site is built on Magnolia CMS and uses modern JavaScript libraries and analytics tools, providing a good user experience with mobile optimization and accessibility features. Security posture is strong with HTTPS and security headers, though explicit privacy and security policies are missing. Overall, the site is trustworthy and professionally maintained, with room for improvement in privacy compliance and incident response transparency.

Scanned

NIS2 and GDPR posture

GDPR outside view
88/ 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

6 findings rated critical or high. Fix these first.

  1. Email security

    SPF, DKIM and DMARC stop others sending email that looks like it comes from your domain, a common route to phishing and invoice fraud.

    • Critical

      No email authentication configured

      Domain is vulnerable to email spoofing

      What to do: Implement SPF, DKIM, and DMARC immediately

  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
    • High

      Weak SSL Key Length

      SSL certificate uses 384-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

  3. 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"

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

Keep watching baslerstadtbuch.ch

This scan found 24 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

€25per month

  • 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
42
Security headers
20
Email security
60
DNS health
75
Network security
100
GDPR outside view
88
Average
64

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

The Basler Stadtbuch operates as a small, important media entity focused on cultural and historical content for Basel. Its market position is that of a trusted local archive with a long-standing history. The business model appears non-profit or cultural preservation focused, with key services including digital access to historical articles and images. The presence of social media channels and regular content updates indicates active engagement with its audience. The lack of detailed business contact info and privacy policies suggests a primarily informational role rather than commercial operations.

Security posture

The website demonstrates a mature security posture with enforced HTTPS, presence of multiple security headers, and no visible vulnerabilities or exposed sensitive data. However, it lacks published security policies, incident response contacts, and vulnerability disclosure mechanisms, which are important for transparency and compliance. Cookie consent is implemented, but GDPR compliance details are not explicit. Overall, the security measures are solid but could be enhanced with formal documentation and contact channels for security incidents.

Recommendations

  1. Publish a comprehensive privacy policy page detailing GDPR compliance and data handling practices.
  2. Add terms of service and security policy documents accessible from the website footer.
  3. Implement a security.txt file or vulnerability disclosure policy to facilitate responsible reporting.
  4. Provide clear incident response contact information, such as a dedicated security or abuse email.
  5. Enhance contact information with phone numbers and physical address to improve business credibility.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Basler Stadtbuch
Description
Basler Stadtbuch is a digital city chronicle and archive providing historical articles, dossiers, and daily historical events about Basel since 1879. It serves as a city memory and cultural resource.
Key services
Historical articles and dossiers, Daily historical events with images, Digital archive access
Content quality
excellent
Branding
consistent

Technology

Stack
JavaScript, jQuery, MediaElement.js, Splide.js, Google Analytics, Matomo Analytics
Frameworks
Magnolia CMS
Performance
moderate
Mobile
good
Accessibility
good
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Security headers present
  • No exposed sensitive data in HTML
  • Secure forms with POST method

Analytics and tracking

Services
Google Analytics, Matomo
Tracking level
moderate
Privacy practices
basic

Advertising

Tracking pixels
Matomo
Transparency
basic

Site quality

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

Key observations

  1. Website is a well-maintained digital archive for Basel city history.
  2. Content is rich with historical articles, images, and dossiers.
  3. No signs of malicious or suspicious activity.
  4. Good use of modern web technologies and analytics.
  5. Lacks explicit privacy policy and terms of service pages.
  6. Cookie consent mechanism is implemented.
  7. Contact information is limited to email and contact form; no phone or physical address found.
Technical notes

Notes

The website uses Magnolia CMS as its content management system, combined with JavaScript libraries such as jQuery, MediaElement.js for media playback, and Splide.js for sliders/carousels. Analytics are handled via Google Analytics and Matomo, indicating a balanced approach to user tracking. The site is mobile optimized and accessible, with good SEO practices including meta tags and Open Graph data. Performance is moderate, likely due to rich media content. The technical stack is modern and well-maintained, though hosting provider details are not explicit.
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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