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Security report for kununu.com

kununu · Other · Germany

Low risk. 3 critical or high findings in Security headers and GDPR outside view.

Security score

80/100

Risk levelLow

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

kununu is a leading employer review and salary comparison platform serving the German-speaking market, providing transparent insights into company culture, salaries, and job opportunities. The platform targets job seekers and employees looking to make informed career decisions. It offers a comprehensive suite of services including employer reviews, salary checks, job listings, and employer branding solutions. Technically, the website leverages modern frameworks such as React and Next.js, hosted on AWS infrastructure, and integrates advanced analytics and marketing tools like New Relic, VWO, and Usercentrics for consent management. Despite rich content and strong privacy compliance, the site lacks a valid SSL certificate and essential security headers, which impacts its security posture. Performance is suboptimal with a high load time and large page size, suggesting opportunities for optimization. Overall, kununu demonstrates a mature digital presence with extensive user tracking and marketing integrations, but should prioritize improving its security configuration to enhance trust and compliance.

Scanned

This is an earlier scan of kununu.com. View the latest report

NIS2 and GDPR posture

GDPR outside view
43/ 100 · High
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

3 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 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. GDPR outside view

    These are the privacy signals visitors and data protection authorities look for under GDPR.

    • High

      No Cookie Policy found

      GDPR requires clear information about cookie usage

      What to do: Add a dedicated cookie policy explaining cookie usage and purposes

    • High

      No Cookie Consent Banner found

      GDPR requires explicit consent for non-essential cookies

      What to do: Implement a cookie consent banner that appears on first visit

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

Keep watching kununu.com

This scan found 14 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
100
Security headers
65
Email security
88
DNS health
85
Network security
100
GDPR outside view
43
Average
80

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

kununu holds a strong market position as the leading employer review platform in the DACH region, catering primarily to job seekers and employees. Its business model revolves around user-generated content, employer branding services, and data-driven insights such as salary comparisons and gender pay gap analyses. The platform benefits from a broad partnership ecosystem including XING and integrates multiple social media channels for brand engagement. The presence of awards like 'Top Company' and extensive testimonials reinforce its credibility. The company operates at a large scale with millions of insights and a significant user base. Its growth is supported by continuous content updates and targeted campaigns. However, explicit business registration or certification details are not publicly disclosed on the site.

Security posture

The security posture of kununu.com reveals critical gaps, notably the absence of a valid SSL certificate and lack of modern TLS protocol support, which exposes users to potential risks during data transmission. The site does not implement key security headers such as HSTS, Content-Security-Policy, or X-Frame-Options, reducing its resilience against common web attacks. While no known vulnerabilities like Heartbleed or POODLE are detected, the lack of OCSP stapling and session resumption indicates suboptimal SSL performance and security. Privacy compliance is well addressed with comprehensive cookie consent mechanisms and GDPR-aligned policies. However, the absence of explicit security policies or incident response contacts limits transparency. To enhance security maturity, immediate remediation of SSL issues and implementation of security headers are recommended.

Recommendations

  1. Obtain and deploy a valid SSL/TLS certificate supporting TLS 1.2 or 1.3 to secure all user connections.
  2. Implement HTTP security headers including HSTS with preload, Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options.
  3. Enable OCSP stapling and session resumption to improve SSL performance and reduce latency.
  4. Publish clear security and incident response policies with dedicated contact channels for vulnerability reporting.
  5. Optimize website performance by reducing page size and load time to enhance user experience and SEO.
Technical notes

Notes

The website is built using modern web technologies including React and Next.js, indicating a server-side rendered React application. It is hosted on Amazon AWS infrastructure, as evidenced by the DNS records and nameservers. The site integrates multiple third-party analytics and marketing tools such as New Relic for performance monitoring, Piwik Pro for analytics, VWO for A/B testing and personalization, and Usercentrics for consent management. The site is mobile-optimized with responsive design and accessibility features. However, the page load time is high (~17.8 seconds) with a large page size (~2.9 MB) and many resources (235), suggesting technical debt and opportunities for optimization. No CMS is explicitly detected. The technical stack supports a rich user experience but requires improvements in security and performance.
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

Earlier scans of this domain

  1. 82/100Low22 findingsView report
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