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Security report for karel.ai

VisionSpace Intelligent Systems UG · Technology · Germany

Medium risk. 6 critical or high findings in Security headers and GDPR outside view.

Security score

67/100

Risk levelMedium

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

VisionSpace Intelligent Systems UG operates the website karel.ai, offering an AI-powered conversational assistant named Karel designed to support operations of complex and critical systems. The assistant provides functionalities such as answering operational questions, predictive analytics, task automation, explainable AI reasoning, skill teaching via API, and team collaboration. The company is positioned as a niche technology provider with backing from the European Space Agency incubation program and EU funding, targeting operators and managers in aerospace and industrial sectors. The website is professionally designed, mobile-optimized, and includes EU trust signals, but lacks explicit security and incident response policies. The technical infrastructure leverages modern front-end technologies including Bootstrap, jQuery, FontAwesome, and Google Analytics, with moderate performance and basic SEO and accessibility features. Security posture is adequate with HTTPS implied and cookie consent implemented, but could be improved by adding security headers and vulnerability disclosure mechanisms. Overall, the website and business present a credible and professional front with room for enhanced security transparency and compliance documentation.

Scanned

NIS2 and GDPR posture

GDPR outside view
50/ 100 · Medium
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. GDPR outside view

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

    • High

      No Privacy Policy found

      GDPR requires a clear and accessible privacy policy

      What to do: Add a comprehensive privacy policy page and link to it prominently

    • 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

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

Keep watching karel.ai

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.

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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
95
Security headers
15
Email security
70
DNS health
70
Network security
100
GDPR outside view
50
Average
67

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

The company targets a specialized market segment requiring AI assistance for complex system operations, leveraging conversational AI to improve decision-making and operational efficiency. Its business model includes API access for customization, indicating a SaaS or platform approach. The presence of EU funding and ESA incubation suggests strong institutional support and credibility. The company is small-sized, based in Germany, and focuses on technology and energy sectors. The website content and branding are consistent and professional, supporting a trustworthy market position. The partnership ecosystem includes platforms like F6S for startup support. No direct revenue streams or pricing models are disclosed on the site. Growth indicators include active development of AI capabilities and integration options.

Security posture

The website uses HTTPS and implements a cookie consent banner, indicating baseline security and privacy awareness. However, no security headers (e.g., CSP, HSTS) were detected, and no published security or incident response policies are available. There is no vulnerability disclosure or security.txt file, limiting transparency for security researchers. No exposed sensitive data or vulnerable libraries were identified in the provided content. The absence of contact phone numbers and limited contact emails may reduce direct security communication channels. Overall, the security maturity is moderate but could be enhanced by adopting best practices in security headers, incident response documentation, and vulnerability disclosure.

Recommendations

  1. Implement and enforce security headers such as Content Security Policy (CSP), HTTP Strict Transport Security (HSTS), and X-Frame-Options to improve protection against common web attacks.
  2. Publish a clear security policy and incident response plan accessible on the website to enhance transparency and preparedness.
  3. Add a vulnerability disclosure policy or security.txt file to facilitate responsible reporting of security issues.
  4. Improve accessibility features to comply with standards and enhance user experience for all users.
  5. Consider adding verified company contact phone numbers to improve trust and communication channels.

Contact details published on the site

Addresses
Legal name
VisionSpace Intelligent Systems UG
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
VisionSpace Intelligent Systems UG
Description
Karel is a conversational assistant designed to support operations of complex and critical systems, helping users take decisions by answering questions, predicting outcomes, instructing automation, understanding reasoning, learning new skills, and collaborating within teams.
Key services
Conversational AI assistant, What-if analysis and prediction, Task automation and instruction, Explainable AI reasoning, Skill teaching via API, Team collaboration support
Content quality
good
Branding
consistent

Technology

Stack
Bootstrap, jQuery, FontAwesome, Google Analytics, Google Tag Manager, Highlight.js, Lottie animations
Frameworks
Bootstrap
Performance
moderate
Mobile
good
Accessibility
basic
SEO
basic

Security

Observed score
70/100
Good practices seen
  • HTTPS usage implied by canonical URL
  • Cookie consent banner implemented

Analytics and tracking

Services
Google Analytics
Tracking level
moderate
Privacy practices
basic

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 rich content and professional design.
  2. No WHOIS data available publicly, indicating privacy protection or query failure.
  3. EU funding and European Space Agency incubation are strong trust signals.
  4. No explicit security policies or incident response information published.
  5. Cookie consent mechanism is implemented.
  6. No contact phone numbers found; contact via email and contact form only.
  7. No terms of service page detected.
  8. No vulnerability disclosure or security.txt found.
  9. Website uses modern front-end technologies and analytics tools.
Technical notes

Notes

The website is built using a modern front-end stack including Bootstrap for responsive design, jQuery for DOM manipulation, FontAwesome for icons, and Google Analytics for user tracking. It uses Lottie animations for interactive graphics and includes external fonts from Google Fonts. The site is mobile-optimized with a separate mobile navigation layout. Performance is moderate with asynchronous loading of analytics scripts. SEO is basic with meta description and canonical tags present. No CMS or hosting provider information is discernible from the content. The site uses multiple CSS files for styling and includes cookie compliance scripts. There is no evidence of technical debt or deprecated technologies, but accessibility could be improved. Overall, the technical infrastructure supports a professional and functional user experience.
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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