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Security report for coze.com

Technology · N/a

Medium risk. 8 critical or high findings in Security headers, GDPR outside view and 1 other check.

Security score

64/100

Risk levelMedium

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

Coze is a next-generation AI chatbot development platform designed to enable users, regardless of programming experience, to create and deploy chatbots across various social and messaging platforms. The website presents a professional and modern interface built on contemporary web technologies including React and Node.js, hosted on ByteDance's CDN infrastructure. The platform targets a broad audience including non-technical users, emphasizing ease of use and accessibility. Technically, the site leverages modern JavaScript libraries and frameworks, ensuring a responsive and performant user experience. However, the absence of visible privacy, cookie, or terms of service policies, as well as the lack of contact information, indicates gaps in compliance and transparency. Security posture is moderate with HTTPS enforced but missing explicit security headers and incident response details. The domain WHOIS data is unavailable, raising concerns about domain registration legitimacy and trustworthiness. Overall, while the platform appears functional and technologically sound, improvements in privacy compliance, security best practices, and business transparency are recommended to enhance trust and regulatory adherence.

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

8 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 coze.com

This scan found 23 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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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

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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
57
Security headers
20
Email security
85
DNS health
70
Network security
100
GDPR outside view
50
Average
64

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

Coze operates in the technology sector as an AI chatbot development platform, targeting a wide user base including non-programmers. Its business model likely revolves around providing AI chatbot creation and deployment tools, possibly with subscription or usage-based revenue streams. The platform's integration with social and messaging apps suggests a focus on social media and communication markets. The use of ByteDance infrastructure and tracking SDKs indicates a connection to a larger technology ecosystem. The lack of explicit business registration or contact details limits assessment of company size, market position, and partnerships. The platform's modern design and technology stack position it competitively in the AI chatbot development space, but transparency and compliance improvements could strengthen market credibility.

Security posture

The website enforces HTTPS, ensuring encrypted communication, and uses modern JavaScript frameworks reducing legacy vulnerabilities. However, no explicit security headers such as Content-Security-Policy or X-Frame-Options were detected, which are important for mitigating common web attacks. No forms or input fields were found, reducing immediate risk of injection attacks, but absence of privacy and cookie policies indicates potential compliance gaps with GDPR and other regulations. The presence of ByteDance's TTWid tracking SDK suggests user data collection, but without clear privacy disclosures. Incident response and security policy information are missing, limiting readiness assessment. Overall, the security posture is moderate but could be significantly improved by adding security headers, privacy disclosures, and incident response contacts.

Recommendations

  1. Implement and publish comprehensive privacy and cookie policies to ensure GDPR and global privacy compliance.
  2. Add standard security headers such as Content-Security-Policy, X-Frame-Options, and Strict-Transport-Security to enhance web security.
  3. Provide clear contact information including support and security incident response channels to improve transparency and trust.
  4. Verify and publish domain registration details to improve legitimacy and trustworthiness perception.
  5. Conduct regular security audits and vulnerability assessments to identify and remediate potential risks proactively.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Description
Coze is a next-generation AI application and chatbot developing platform for everyone. Regardless of your programming experience, Coze enables you to effortlessly create various chatbots and deploy them across different social platforms and messaging apps.
Key services
AI chatbot development, Deployment across social platforms and messaging apps
Content quality
good
Branding
consistent

Technology

Stack
Node.js, React, Axios, Arco Design, Semi UI, Webpack, JavaScript
Frameworks
React
Platforms
Web
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
80/100
Good practices seen
  • HTTPS enforced
  • Use of modern JavaScript libraries
  • No exposed sensitive data in HTML

Analytics and tracking

Services
TTWid (ByteDance)
Tracking level
moderate
Privacy practices
poor

Advertising

Tracking pixels
TTWid (ByteDance tracking)
Marketing tools
ByteDance TTWid SDK
Transparency
basic

Site quality

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

Key observations

  1. Website is accessible and not blocked by WAF or security challenge.
  2. No WHOIS registration data available, indicating possible unregistered domain or privacy protection.
  3. No privacy policy, cookie policy, or terms of service found on the homepage HTML.
  4. No contact emails, phone numbers, or physical addresses found in the HTML content.
  5. Website uses modern JavaScript frameworks and ByteDance CDN infrastructure.
  6. Tracking via ByteDance TTWid SDK is present, indicating user tracking.
  7. No explicit security headers detected in the HTML content.
  8. Content is focused on AI chatbot development platform targeting general users including non-programmers.
  9. No adult or questionable content detected.
  10. No visible forms or data collection fields in the provided HTML snippet.
Technical notes

Notes

The website is built using a modern tech stack including React, Node.js, Axios, and UI libraries such as Arco Design and Semi UI. It is hosted on ByteDance's CDN infrastructure, which likely provides good global performance and availability. The site uses asynchronous JavaScript loading and modern bundling techniques (Webpack/Rspack) for optimized delivery. Mobile optimization appears good with responsive design and viewport settings. Accessibility features are basic but present. SEO is supported by proper meta tags and Open Graph data. No CMS was detected, indicating a custom or proprietary platform. Performance is moderate, with some large JavaScript bundles but efficient CDN delivery. Technical debt appears low, but improvements in security headers and privacy compliance are needed.
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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