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Security report for captcha.at

captcha.eu · Technology · N/a

Medium risk. 6 critical or high findings in GDPR outside view, SSL/TLS and 1 other check.

Security score

54/100

Risk levelMedium

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

Captcha.eu is a specialized technology provider offering GDPR-compliant bot protection solutions as an alternative to traditional services like reCAPTCHA. The company targets website owners and developers who require privacy-focused, compliant bot and spam protection. The website is professionally designed, well-structured, and optimized for SEO and mobile devices, reflecting a mature digital presence. Technically, the site is built on WordPress with modern plugins and frameworks, ensuring good performance and accessibility. Security posture is strong with HTTPS enforced, security headers implemented, and no visible vulnerabilities or exposed sensitive data. Privacy compliance is emphasized with comprehensive privacy and cookie policies and consent mechanisms. However, explicit security policies, incident response contacts, and vulnerability disclosure mechanisms are not publicly available, representing areas for improvement. Overall, the site is trustworthy and professional, with a legitimacy score supported by consistent branding and privacy focus.

Scanned

NIS2 and GDPR posture

GDPR outside view
45/ 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

6 findings rated critical or high. Fix these first.

  1. GDPR outside view

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

    • Critical

      EU business without adequate privacy measures

      EU businesses are subject to strict GDPR requirements

      What to do: Implement comprehensive GDPR compliance including privacy policy, cookie consent, and data protection measures

    • 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

  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.

    • 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

  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 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';…

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

Keep watching captcha.at

This scan found 20 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

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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

Email alerts on material changes and an exportable JSON history of every change.

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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
75
DNS health
80
Network security
100
GDPR outside view
45
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

Technical appendix

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

Business context

Business profile

Captcha.eu occupies a niche market segment focused on privacy-compliant bot protection within the EU, leveraging GDPR compliance as a competitive advantage. The business model is SaaS-based, providing bot protection technology to website operators. The company demonstrates strong branding consistency and trust signals such as privacy policies and social media presence. The absence of direct contact emails or phone numbers suggests a lean operation or preference for contact via web forms. The use of multilingual support indicates targeting a broad European audience. No parent or subsidiary relationships are evident. The company appears small but focused, with a clear value proposition centered on privacy and compliance.

Security posture

The website exhibits a strong security posture with HTTPS enforced and multiple security headers present, indicating adherence to best practices. No security policy or incident response information is publicly disclosed, which could limit transparency in case of incidents. No vulnerability disclosure or security.txt file is found, reducing avenues for responsible vulnerability reporting. The site uses third-party scripts including Google Tag Manager and privacy-center SDK, which appear well integrated without obvious vulnerabilities. Overall, the security maturity is good but could be enhanced by publishing explicit security policies and contact channels for incident reporting.

Recommendations

  1. Publish a dedicated security policy page outlining security practices and compliance.
  2. Implement and publish a vulnerability disclosure policy or security.txt file to facilitate responsible reporting.
  3. Provide direct security contact information such as security@ or abuse@ email addresses.
  4. Regularly audit and update third-party scripts and plugins to mitigate potential vulnerabilities.
  5. Enhance transparency by including incident response procedures and data breach notification commitments.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
captcha.eu
Description
Captcha.eu offers a GDPR-compliant alternative to traditional bot protection services like reCAPTCHA, focusing on protection against abuse, bots, and spam.
Key services
GDPR-compliant bot protection, Spam and abuse prevention
Content quality
excellent
Branding
consistent

Technology

Stack
WordPress, Yoast SEO, Google Tag Manager, Privacy Center SDK, GS Logo Slider, Premium Blocks for Gutenberg, TranslatePress Multilingual, Captcha.eu SDK
Frameworks
WordPress Gutenberg
Platforms
WordPress CMS
Performance
fast
Mobile
excellent
Accessibility
good
SEO
excellent

Security

Observed score
90/100
Good practices seen
  • HTTPS enforced
  • Use of security headers
  • No exposed sensitive data in HTML
  • Use of GDPR-compliant cookie consent mechanism

Analytics and tracking

Services
Google Tag Manager
Tracking level
minimal
Privacy practices
good

Advertising

Transparency
good

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 challenges.
  2. Content is focused on GDPR-compliant bot protection services.
  3. WHOIS data is privacy protected, typical for EU domains.
  4. Strong emphasis on privacy and compliance throughout the site.
  5. No direct contact emails or phone numbers publicly listed; contact via form.
  6. Use of multiple modern WordPress plugins and SEO tools.
  7. No visible security vulnerabilities or exposed sensitive data.
  8. No explicit security or incident response contact information found.
  9. No vulnerability disclosure or security.txt file detected.
Technical notes

Notes

The website is built on WordPress CMS using a modern Gutenberg block editor framework and multiple plugins for SEO, multilingual support, and UI enhancements. The tech stack includes Google Tag Manager for analytics and privacy-center SDK for consent management. Performance is optimized with lazy loading images and minified scripts. Mobile optimization and accessibility are well addressed. Hosting provider details are not explicitly identified. The site uses structured data (JSON-LD) for SEO and social media integration. Technical risks are minimal, but reliance on multiple third-party scripts requires ongoing monitoring to prevent supply chain vulnerabilities.
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. 57/100Medium28 findingsView report
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