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Security report for canisius.de

Canisius-Kolleg · Education · Germany

Medium risk. 6 critical or high findings in Security headers, SSL/TLS and 2 other checks.

Security score

54/100

Risk levelMedium

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

Canisius-Kolleg is a well-established Jesuit educational institution located in Berlin, offering Gymnasium education from grade 5 and an integrated secondary school from grade 9. The school emphasizes a Christian-humanist educational philosophy, fostering comprehensive development and responsibility among young people. It serves a diverse student body with over 900 students from 60 nationalities. The website reflects a mature digital presence built on WordPress with modern plugins and a responsive design, providing clear navigation and rich content. Privacy and cookie policies are comprehensive and GDPR compliant, with an active consent mechanism. Security posture is good with HTTPS enforced and no visible vulnerabilities, though some security headers could be improved. Overall, the site projects professionalism, trustworthiness, and a strong educational brand in the Berlin region.

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

6 findings rated critical or high. Fix these first.

  1. 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';…
  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
  3. DNS health

    DNS sends visitors and email to the right servers. Misconfigured records can cause outages or let someone redirect your traffic.

    • High

      Weak SPF Policy

      SPF record has permissive policy allowing any server to send email

      What to do: Use -all or ~all qualifier for better email security

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

Keep watching canisius.de

This scan found 24 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.

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
77
Security headers
15
Email security
60
DNS health
50
Network security
20
GDPR outside view
100
Average
54

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 canisius.de, from OffSeq Breach.

Total records
4
Employees
0
Customers
0
Third parties
4
Weak passwords
25%

See the 10 newest leaked credentials

A one-off add-on to this report that lists the most recent identifier and password pairs OffSeq Breach holds for canisius.de.

Select it in the checkout above.

Breach keeps ingesting new leaks, so these numbers can grow between scans.

Technical appendix

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

Business context

Business profile

The Canisius-Kolleg operates as a private Jesuit school with a medium-sized student population and a focus on holistic education. Its market position is strong within the Berlin educational sector, supported by memberships in Jesuit and Ignatian pedagogical networks. The business model centers on tuition and donations, with clear calls for support and detailed contact information. The school leverages digital tools for education and communication, indicating a commitment to modernization. No direct competitors or partners are explicitly linked, but banking partnerships (Pax-Bank) are noted for donations. Growth indicators include recent expansions such as the integrated secondary school and individual talent promotion programs.

Security posture

The website demonstrates a solid security foundation with HTTPS and GDPR-compliant cookie management. No critical vulnerabilities or exposed sensitive data were detected. However, the absence of explicit security headers like Content-Security-Policy and X-Frame-Options suggests room for enhancement. There is no public incident response or vulnerability disclosure policy, which could improve transparency and readiness. The use of reputable WordPress plugins and regular updates is implied but should be continuously monitored. Overall, the security posture is good but could benefit from formalized policies and additional header implementations.

Recommendations

  1. Implement comprehensive security headers including Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options to enhance protection against common web attacks.
  2. Publish a dedicated security policy and incident response page to improve transparency and user trust.
  3. Establish a security.txt file to facilitate responsible vulnerability disclosure.
  4. Regularly audit and update WordPress core, themes, and plugins to mitigate emerging vulnerabilities.
  5. Enhance monitoring and alerting mechanisms for suspicious activities to strengthen security posture.

Contact details published on the site

Addresses
Legal name
Canisius-Kolleg GmbH (gemeinnützig)
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Canisius-Kolleg
Description
Das Canisius-Kolleg ist ein Gymnasium mit integrierter Sekundarschule mit christlich-humanistischer Prägung, wo junge Menschen eine exzellente, umfassende Bildung erfahren und zu verantwortungsbewussten Menschen reifen.
Key services
Gymnasium ab Klasse 5, Integrierte Sekundarschule ab Klasse 9, Ganztagsbetreuung, Begabungsförderung, Außerschulische Jugendarbeit
Content quality
excellent
Branding
consistent

Technology

Stack
WordPress, PHP, jQuery, Smart Slider 3, Real Cookie Banner plugin, Google Fonts
Frameworks
GeneratePress theme
Platforms
WordPress CMS
Performance
moderate
Mobile
good
Accessibility
good
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Cookie consent banner with GDPR compliance
  • No exposed sensitive data in HTML
  • No visible vulnerable libraries

Analytics and tracking

Services
WP Slimstat
Tracking level
moderate
Privacy practices
good

Advertising

Marketing tools
Real Cookie Banner
Transparency
basic

Site quality

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

Key observations

  1. Website is fully accessible with no blocking or WAF challenge.
  2. Content is rich, well-structured, and professionally presented.
  3. Strong focus on education and Jesuit values.
  4. Comprehensive privacy and cookie policies with GDPR compliance.
  5. Contact information is clear and consistent across pages.
  6. No visible security or privacy red flags.
  7. Use of modern WordPress plugins and themes.
  8. No advertising or affiliate marketing detected.
  9. No adult or questionable content present.
Technical notes

Notes

The website is built on WordPress using the GeneratePress theme, enhanced with plugins such as Real Cookie Banner for GDPR compliance and Smart Slider 3 for visual content. It uses jQuery and Google Fonts, hosted on RZone servers as indicated by the nameservers. The site is mobile-optimized with responsive design and good accessibility features. Performance is moderate, with some optimization potential in loading times and caching. The technical stack is modern and well-maintained, supporting a professional and user-friendly experience. No deprecated or vulnerable libraries were detected in the provided content.
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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