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Security report for customgpt.ai

CustomGPT.ai · Technology · N/a

Medium risk. 7 critical or high findings in Security headers, GDPR outside view and 2 other checks.

Security score

67/100

Risk levelMedium

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

CustomGPT.ai is a technology startup founded in 2023 specializing in creating custom GPT models tailored from user content for business applications. The company targets businesses and professionals seeking AI-powered solutions to enhance their operations. The website is built on WordPress with Elementor and integrates multiple marketing and analytics tools such as Google Tag Manager, Facebook Pixel, and CookieYes for cookie consent management. Hosting is provided via Amazon AWS infrastructure. The site demonstrates good design quality, mobile optimization, and SEO practices, though it lacks visible contact information and formal privacy or terms of service pages. Security posture is moderate with HTTPS enabled but missing key security headers and published security policies. The domain is privacy protected, consistent with a small tech startup, and shows no suspicious registration patterns.

Scanned

NIS2 and GDPR posture

GDPR outside view
80/ 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

7 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 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

  3. 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

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

Keep watching customgpt.ai

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.

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

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
57
Security headers
15
Email security
85
DNS health
65
Network security
100
GDPR outside view
80
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 business operates in the AI technology sector with a SaaS model offering custom GPT creation services. Its market position is niche, focusing on tailored AI solutions for business clients. The company leverages modern digital marketing and analytics platforms to engage and track users. Absence of visible contact details and formal policies may impact trust and compliance perception. The startup nature is supported by the recent domain registration and privacy-protected WHOIS data. No partnerships or subsidiaries are evident from the website content.

Security posture

The website employs HTTPS and domain transfer protection but lacks DNSSEC and critical security headers such as Content-Security-Policy and Strict-Transport-Security. No published security policies, incident response contacts, or vulnerability disclosure mechanisms are found. Tracking and marketing scripts are extensive, indicating moderate user tracking. The absence of contact information for security or abuse reporting reduces incident response readiness. Overall, the security maturity is moderate but could be improved by implementing best practices and transparency measures.

Recommendations

  1. Implement and publish a comprehensive privacy policy and terms of service pages to improve compliance and user trust.
  2. Add visible and verified contact information including security incident response contacts.
  3. Enable DNSSEC and deploy security headers like Content-Security-Policy, X-Frame-Options, and Strict-Transport-Security.
  4. Publish a vulnerability disclosure policy or security.txt file to facilitate responsible reporting.
  5. Review and minimize tracking scripts to align with privacy best practices and improve user privacy.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
CustomGPT.ai
Description
CustomGPT.ai provides custom GPT models built from user content tailored for business applications.
Key services
Custom GPT model creation, AI-powered business solutions
Content quality
good
Branding
consistent

Technology

Stack
JavaScript, Google Tag Manager, Facebook Pixel, Twitter Universal Website Tag, LinkedIn Insight Tag, Bing UET, Customer.io analytics, CookieYes cookie consent
Frameworks
WordPress, Elementor
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
70/100
Good practices seen
  • HTTPS enabled
  • clientTransferProhibited domain status

Analytics and tracking

Services
Customer.io, Google Analytics (via GTM), Facebook Pixel, Twitter Universal Website Tag, LinkedIn Insight Tag, Bing UET
Tracking level
extensive
Privacy practices
basic

Advertising

Tracking pixels
Facebook Pixel, Twitter Universal Website Tag, LinkedIn Insight Tag, Bing UET, Google Analytics (via GTM)
Marketing tools
Customer.io, CookieYes
Transparency
basic

Site quality

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

Key observations

  1. Website uses modern marketing and analytics tools
  2. No visible contact emails or phone numbers on main page
  3. No privacy policy or terms of service pages detected
  4. Cookie consent implemented via CookieYes
  5. Domain is relatively new and privacy protected
  6. No security.txt or vulnerability disclosure found
  7. No explicit security policies or incident response info published
Technical notes

Notes

The website is built on WordPress CMS with Elementor page builder, hosted on AWS infrastructure. It uses a modern tech stack including multiple analytics and marketing scripts for user tracking and engagement. Performance is moderate with good mobile optimization. However, the site lacks advanced security configurations such as DNSSEC and security headers. The domain is relatively new and privacy protected, typical for startups. Technical debt appears low but improvements in security and compliance documentation are recommended to reduce operational risks.
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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