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Security report for convertkit.com

Kit · Technology · N/a

Low risk. 4 critical or high findings in Security headers, GDPR outside view and 1 other check.

Security score

80/100

Risk levelLow

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

Kit.com is a well-established SaaS platform focused on providing an email-first operating system tailored for creators, enabling them to manage subscribers, sell products, automate messaging, and receive recommendations. The platform targets creators and entrepreneurs seeking to build sustainable and profitable businesses. The website demonstrates a high level of digital maturity with modern technologies such as Next.js, Cloudflare DNS, and extensive use of analytics and marketing tools. The site is professionally designed, mobile-optimized, and provides a seamless user experience. Security posture is strong with HTTPS enforced, domain locking, and use of Cloudflare DNS, although DNSSEC is not enabled. However, the absence of explicit privacy and cookie policies, as well as incident response information, indicates areas for compliance improvement. Overall, the domain registration data supports the legitimacy and trustworthiness of the business.

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

4 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 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

  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 SSL Key Length

      SSL certificate uses 256-bit key, which is considered weak

      What to do: Use at least 2048-bit RSA or 256-bit ECC key

      • CWE-326
      • OWASP A04:2025
      • Mozilla TLS: Mozilla Server Side TLS 6.0 intermediate: rsa_key_size 2048

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

Keep watching convertkit.com

This scan found 15 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

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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
75
Security headers
55
Email security
85
DNS health
85
Network security
100
GDPR outside view
80
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

Kit.com occupies a niche in the creator economy, offering specialized email marketing and business management tools. Its business model is subscription-based SaaS, targeting content creators who value direct audience engagement and monetization. The platform leverages partnerships and integrations with major analytics and marketing services to enhance user insights and campaign effectiveness. The presence of testimonials from notable creators and authors strengthens its market position. The company appears medium-sized with a focus on technology and digital services. The long domain age and consistent registration details reinforce its credibility. Growth indicators include a strong brand presence and extensive use of third-party marketing tools.

Security posture

The website exhibits a mature security posture with HTTPS enforced and multiple domain status locks to prevent unauthorized changes. Use of Cloudflare DNS enhances DNS security, although DNSSEC is not enabled, which is a recommended improvement. No exposed sensitive data or vulnerable libraries were detected in the provided content. The site uses secure forms and input fields, but lacks publicly available security policies or incident response contacts, which could improve transparency and readiness. The extensive use of third-party scripts introduces some risk but is common in SaaS platforms. Overall, the security posture is good but could benefit from enhanced policy disclosures and DNS security.

Recommendations

  1. Enable DNSSEC to strengthen DNS security and prevent spoofing.
  2. Publish comprehensive privacy and cookie policies to improve GDPR compliance and user trust.
  3. Add a publicly accessible security policy and incident response contact information.
  4. Review and audit third-party scripts regularly to minimize security risks.
  5. Implement a vulnerability disclosure program or security.txt file to encourage responsible reporting.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Kit
Description
Kit is the email-first operating system for creators. Email subscribers, sell products, automate messages, and get recommendations. Start today!
Key services
Email subscriber management, Product sales, Message automation, Recommendations for creators
Content quality
excellent
Branding
consistent

Technology

Stack
React (Next.js), Cloudflare DNS, Segment analytics, Google Tag Manager, Facebook Pixel, MadKudu, Visual Website Optimizer, HubSpot scripts
Frameworks
Next.js
Platforms
Web
Performance
fast
Mobile
excellent
Accessibility
good
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Domain locked with multiple EPP status flags
  • Use of Cloudflare DNS for DNS security

Analytics and tracking

Services
Google Analytics (via Google Tag Manager), Segment, HubSpot Analytics, MadKudu
Tracking level
extensive
Privacy practices
basic

Advertising

Ad networks
Google Adsense, Twitter Ads, Facebook Ads
Tracking pixels
Facebook Pixel, LinkedIn Insight Tag, Twitter Ads Pixel
Marketing tools
HubSpot, MadKudu, Segment, Visual Website Optimizer
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 rich content and no blocking mechanisms
  2. Strong branding and professional design consistent with a SaaS business
  3. Use of modern web technologies and analytics tools
  4. No explicit privacy or cookie policy found in the provided HTML snippet
  5. No direct contact emails or phone numbers found in the provided content
  6. WHOIS data indicates a well-established domain with proper registrar and domain locking
  7. No security.txt or vulnerability disclosure found
  8. Extensive use of third-party marketing and analytics scripts
  9. No suspicious or malicious domains detected
Technical notes

Notes

The website is built on a modern React-based framework (Next.js) hosted likely on Vercel with Cloudflare DNS for performance and security. It uses multiple analytics and marketing tools including Segment, HubSpot, MadKudu, and Visual Website Optimizer, indicating a data-driven approach. The site is well-optimized for mobile and SEO with proper meta tags and Open Graph data. Performance is fast with preloading and preconnect hints. Accessibility features such as focus-visible rings and semantic HTML are present. No CMS was explicitly detected, suggesting a custom or headless architecture. The technical infrastructure is robust but could improve DNS security by enabling DNSSEC.
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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