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Security report for sustainability-congress.com

Drescher & Cie AG · Finance · Germany

Medium risk. 5 critical or high findings in SSL/TLS, Security headers and 1 other check.

Security score

52/100

Risk levelMedium

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

The Sustainability Congress website is operated by Drescher & Cie AG, a medium-sized finance sector company based in Germany, specializing in organizing investment conferences focused on sustainable finance. The site presents a professional and consistent brand image, targeting investors and finance professionals interested in sustainable investments. The business model revolves around event organization, media content, and partnerships within the sustainable finance ecosystem. Technically, the site is built on TYPO3 CMS, leveraging modern frontend technologies such as Font Awesome and Bootstrap, hosted by Vautron Rechenzentrum AG. The website is mobile-optimized and SEO-friendly, with good performance and accessibility standards. Security-wise, the site uses HTTPS with a good SSL configuration, though DNSSEC is not enabled. Privacy compliance is strong, with clear privacy and cookie policies and GDPR adherence. No critical vulnerabilities or security issues were detected. Overall, the site demonstrates a mature digital presence with strong business credibility and trust indicators.

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

5 findings 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

  2. 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';…

  3. Network security

    Services reachable from the internet are the first thing attackers probe. Anything open that does not need to be should be closed.

    • High

      High-Risk Service Exposed: FTP

      Port 21 (FTP) is publicly accessible - FTP - Often unencrypted file transfer

      What to do: Consider restricting access to FTP or implementing strong authentication

      • NIS2 21(2)(e)
      • IR 2024/2690 6.7.2(f): Implementing Regulation (EU) 2024/2690, Annex point 6.7.2(f): Network security
      • NIST CM-7: NIST SP 800-53 Rev. 5 CM-7: Least Functionality
      • NIST SC-7: NIST SP 800-53 Rev. 5 SC-7: Boundary Protection

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

Keep watching sustainability-congress.com

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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
25
Email security
85
DNS health
85
Network security
20
GDPR outside view
95
Average
52

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 sustainability-congress.com, from OffSeq Breach.

No leaked records found

Breach holds no records for sustainability-congress.com right now. New leaks arrive continuously, so monitoring on Breach alerts you if that changes.

Monitor on Breach (opens in a new tab)

Technical appendix

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

Business context

Business profile

Drescher & Cie AG holds a solid position in the niche market of sustainable investment events in Germany. Their ecosystem includes multiple partner sites and media collaborations, enhancing their market reach. The business model is event-driven with additional content offerings such as a media library and online webinars. The company leverages partnerships with well-known financial institutions and asset managers, indicating strong industry connections. Growth indicators include recent event hosting and active social media engagement. The company maintains a carbon-neutral certification, aligning with its sustainability focus. The absence of direct contact emails or phone numbers suggests a controlled communication channel via contact forms, likely for professional lead management.

Security posture

The website exhibits a good security posture with HTTPS enforced and no visible exposure of sensitive data. Security headers are minimal but present, and no vulnerable libraries or outdated scripts were detected. The lack of DNSSEC is a minor gap. There is no published security policy or incident response contact, which could be improved. No security.txt or vulnerability disclosure policy is found, limiting transparency for security researchers. The cookie consent mechanism and privacy policy indicate compliance with GDPR. Overall, the site is secure for its purpose but could enhance security transparency and header implementation.

Recommendations

  1. Enable DNSSEC to improve domain name system security.
  2. Implement additional HTTP security headers such as Content-Security-Policy, X-Content-Type-Options, and X-Frame-Options.
  3. Publish a formal security policy and provide incident response contact information.
  4. Add a vulnerability disclosure or security.txt file to facilitate responsible reporting.
  5. Regularly review and update third-party libraries and scripts to mitigate potential vulnerabilities.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Drescher & Cie AG
Description
Investmentkonferenz rund um den Themenkomplex „nachhaltige Geldanlagen“.
Key services
Sustainability Congress event, Online and in-person conferences, Mediathek with recordings, Partner collaborations
Content quality
good
Branding
consistent

Technology

Stack
TYPO3 CMS, Font Awesome 6 Pro, Bootstrap, jQuery
Frameworks
TYPO3 CMS
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • No exposed sensitive data in HTML
  • Use of secure cookies (implied by cookie consent)
  • No visible vulnerable libraries

Analytics and tracking

Tracking level
minimal
Privacy practices
good

Advertising

Transparency
basic

Site quality

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

Key observations

  1. Website is fully accessible with no blocking or WAF challenges.
  2. Content is in German and professionally presented.
  3. Uses TYPO3 CMS with modern frontend technologies.
  4. Has a cookie consent mechanism and privacy policy compliant with GDPR.
  5. No direct email addresses or phone numbers found in the visible content; contact is via contact form.
  6. Social media links to LinkedIn and Twitter are present.
  7. No security.txt or explicit security policy found.
  8. Domain uses HTTPS with good SSL configuration.
  9. DNSSEC is not enabled, which is a minor security gap.
  10. Multiple partner domains linked, indicating a network of related finance and investment event sites.
Technical notes

Notes

The website is built on TYPO3 CMS, a robust and widely used content management system, indicating a stable technical foundation. The frontend uses modern libraries including Font Awesome 6 Pro and Bootstrap for responsive design. Hosting is provided by Vautron Rechenzentrum AG, a reputable hosting provider. Performance is moderate with video backgrounds and image sliders, but overall mobile optimization and SEO are good. Accessibility features are basic but present. The site uses standard meta tags, Open Graph, and JSON-LD structured data for SEO and social media integration. No critical technical debt or outdated technologies were identified, though some improvements in security headers and DNSSEC could enhance the technical posture.
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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