Haus der Flüsse is a regional informational and educational center dedicated to the Biosphärenreservat Mittelelbe in Germany. It provides visitors with educational exhibits, accessibility services, and organizes events related to nature conservation. The website is well-structured, professionally designed, and targets a broad audience including families, educational groups, and people with disabilities. The business operates as a non-profit or government-affiliated entity with a strong emphasis on accessibility and environmental awareness. Technically, the site is built on TYPO3 CMS with modern frameworks like Bootstrap and jQuery, ensuring good performance and mobile optimization. Security posture is solid with HTTPS enforced and cookie consent implemented, though there is room for improvement in publishing explicit security policies and incident response information. Overall, the site is trustworthy, compliant with GDPR, and provides clear contact information.
Scanned ·
NIS2 and GDPR posture
GDPR outside view
83/ 100 · Low
Checks completed
7of 7
NIS2 Art. 21(2)
a(a) Risk analysis and security policies: Not visible from outside
b(b) Incident handling: One indicator
c(c) Business continuity, backups and crisis management: Not visible from outside
d(d) Supply chain security: Not visible from outside
e(e) Secure acquisition, development and maintenance, including vulnerability handling: Partly checked
f(f) Assessing the effectiveness of security measures: Not visible from outside
g(g) Cyber hygiene and security training: Not visible from outside
h(h) Cryptography and encryption: Partly checked
i(i) HR security, access control and asset management: One indicator
j(j) Multi-factor authentication and secured communications: Not visible from outside
Partly checked
One indicator
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
2 findings rated critical or high. Fix these first.
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
This scan found 22 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
Email alerts on material changes and an exportable JSON history of every change.
Prices incl. 21% VAT. Secure checkout by Mollie; sold by SEQ SIA, Latvia.
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
72
Security headers
75
Email security
70
DNS health
60
Network security
20
GDPR outside view
83
Average
63
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 haus-der-fluesse.de, from OffSeq Breach.
No leaked records found
Breach holds no records for haus-der-fluesse.de right now. New leaks arrive continuously, so monitoring on Breach alerts you if that changes.
Business context, site observations and technical notes gathered during the scan, and the standards behind each reference.
Business context
Business profile
The organization positions itself as a key regional player in environmental education and nature conservation. Its partnerships with related sites like Mittelelbe and Gartenreich indicate a collaborative ecosystem. The business model is focused on public service and education rather than commercial revenue. The presence of certifications related to accessibility and sustainability enhances its credibility. The website supports multiple languages and accessibility features, indicating inclusiveness and community engagement. Growth potential lies in expanding digital outreach and enhancing interactive content. The lack of commercial advertising suggests a focus on mission-driven objectives.
Security posture
The website demonstrates a mature security posture with HTTPS and cookie consent mechanisms in place. No critical vulnerabilities or exposed sensitive data were detected. However, the absence of a published security policy, incident response contacts, or vulnerability disclosure reduces transparency and preparedness perception. Security headers are not explicitly detected in the provided data, which could be improved. Overall, the site is secure for visitors but could benefit from enhanced security documentation and proactive communication of security practices.
Recommendations
Publish a dedicated security policy page outlining security practices and user data protection.
Implement and publicize a vulnerability disclosure policy or security.txt file to encourage responsible reporting.
Add incident response contact information, such as a security@ or abuse@ email address.
Enhance HTTP security headers (Content-Security-Policy, X-Frame-Options, Strict-Transport-Security) to improve defense in depth.
Continue to maintain and improve accessibility and privacy compliance to strengthen trust and inclusivity.
Automated reading of the public site. Ratings are indicative.
Business
Company
Haus der Flüsse - Natura 2000-Informationszentrum des Biosphärenreservates Mittelelbe
Description
Informationszentrum and visitor center focused on the Biosphärenreservat Mittelelbe, providing educational content, event information, and accessibility services related to nature conservation and regional projects.
Key services
Visitor information center, Educational projects and events, Accessibility services, Information dissemination about Biosphärenreservat Mittelelbe, Refill water stations and e-bike charging
Website is fully accessible with no blocking or WAF challenges.
Content is primarily in German with English alternate language available.
Strong focus on accessibility and inclusivity with multiple accessibility features and certifications.
Uses modern web technologies and CMS TYPO3.
Cookie consent and privacy compliance mechanisms are implemented.
No visible security policy or incident response information published.
Contact information is clearly provided including email, phone, physical address, and contact form.
No advertising or tracking scripts detected beyond cookie consent for external media.
Social media presence limited to YouTube channel.
WHOIS data is minimal but domain appears stable and consistent with business.
Technical notes
Notes
The website uses TYPO3 CMS, a robust and widely used content management system, combined with Bootstrap 4.6 for responsive design and jQuery for interactivity. Additional libraries like Parsley.js for form validation and Fancybox for media display enhance user experience. Hosting is provided by agenturserver, as indicated by nameservers. Performance is moderate with compressed CSS and JS assets. Accessibility features such as contrast mode, font size adjustments, and sign language links are implemented, reflecting good technical maturity. SEO is supported by meta tags and Open Graph data. There is no indication of outdated or vulnerable libraries. The site could improve by adding modern security headers and further optimizing load times.
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.
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