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Security report for rudderstack.com

RudderStack · Technology · N/a

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

Security score

79/100

Risk levelLow

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

RudderStack is a technology company specializing in customer data infrastructure, enabling businesses to collect, transform, and deliver real-time customer event data with strong privacy controls. The company positions itself as a leading SaaS provider in the customer data platform market, targeting businesses and developers who require robust data routing and privacy compliance. The website reflects a mature digital presence with professional design, clear messaging, and modern web technologies such as Next.js and React, hosted on Vercel. Analytics and tracking tools like Microsoft Clarity and Hockeystack are used to monitor user engagement and performance. Security posture is strong with HTTPS enforcement and security headers, though explicit security policies and incident response information are not publicly available. The absence of WHOIS registration data is a notable concern, suggesting privacy protection or registration inconsistencies, which slightly impacts trustworthiness. Overall, RudderStack demonstrates a solid business and technical foundation with room for improvement in transparency and direct contact information.

Scanned

This is an earlier scan of rudderstack.com. View the latest report

NIS2 and GDPR posture

GDPR outside view
70/ 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

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 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

    • 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 rudderstack.com

This scan found 18 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

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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
72
Security headers
65
Email security
80
DNS health
85
Network security
100
GDPR outside view
70
Average
79

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

Breach exposure

Leaked credentials and lookalike domains from OffSeq Breach. The counts are free; the detailed lists are paid add-ons.

Dark web exposure

Add-on

Leaked records that mention rudderstack.com, from OffSeq Breach.

Total records
234
Employees
0
Customers
234
Third parties
0
Weak passwords
12%

1 subdomain affected

See the 10 newest leaked credentials

A one-off add-on to this report that lists the most recent identifier and password pairs OffSeq Breach holds for rudderstack.com.

Select it in the checkout above.

Breach keeps ingesting new leaks, so these numbers can grow between scans.

Technical appendix

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

Business context

Business profile

RudderStack operates in the technology sector, focusing on customer data platforms that facilitate real-time data collection and delivery with privacy compliance. Its business model is SaaS-based, providing scalable solutions for data infrastructure. The company targets medium to large enterprises and developers seeking to unify customer data across multiple platforms. The website indicates a consistent branding strategy and a comprehensive content offering including product details, documentation, and resources. The use of advanced analytics and marketing tools suggests a data-driven approach to customer acquisition and retention. While no direct company contact emails or phone numbers are publicly listed, contact forms and demo requests are available, indicating a controlled lead generation process. The lack of WHOIS data raises questions about domain registration transparency, which should be addressed to enhance credibility.

Security posture

The website employs HTTPS with strong SSL configuration and implements key security headers such as Content-Security-Policy, Strict-Transport-Security, and X-Frame-Options, indicating adherence to security best practices. No vulnerabilities or exposed sensitive data were detected in the HTML content. However, the absence of a published security policy, incident response plan, or vulnerability disclosure program limits transparency and preparedness perception. No direct security contact channels were found, which could hinder timely incident reporting and response. The use of third-party analytics and tracking scripts is moderate and appears compliant with privacy standards. To improve security posture, RudderStack should consider publishing detailed security documentation, establishing a vulnerability disclosure process, and providing explicit security contact information.

Recommendations

  1. Publish a dedicated security policy and incident response page to enhance transparency and trust.
  2. Implement and publicize a vulnerability disclosure program or security.txt file to encourage responsible reporting.
  3. Provide direct company security contact emails (e.g., security@rudderstack.com) for incident reporting.
  4. Regularly audit and update third-party scripts and libraries to mitigate potential vulnerabilities.
  5. Enhance accessibility features and continue improving privacy compliance measures.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
RudderStack
Description
RudderStack is the easiest way to collect, transform, and deliver customer event data everywhere it's needed in real time with full privacy control.
Key services
Customer data collection, Data transformation, Real-time data delivery, Privacy controls
Content quality
excellent
Branding
consistent

Technology

Stack
Next.js, React, Font Awesome 6, Vercel Analytics, Hockeystack
Frameworks
React, Next.js
Platforms
Vercel
Performance
fast
Mobile
excellent
Accessibility
good
SEO
good

Security

Observed score
90/100
Good practices seen
  • HTTPS enforced
  • Security headers implemented
  • No exposed sensitive data in HTML
  • Use of modern JavaScript frameworks

Analytics and tracking

Services
Vercel Analytics, Hockeystack, Microsoft Clarity
Tracking level
moderate
Privacy practices
good

Advertising

Tracking pixels
Microsoft Clarity, Qualified
Marketing tools
Hockeystack, Vercel Analytics
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 professional design
  2. No WHOIS data available indicating possible privacy protection or registration issues
  3. Strong focus on customer data infrastructure and privacy
  4. Use of modern web technologies and analytics tools
  5. No direct contact emails or phone numbers publicly listed, only contact forms
  6. No explicit security policy or incident response information found
  7. Good SEO and accessibility practices observed
  8. No suspicious or malicious content detected
Technical notes

Notes

The website is built using modern web technologies including Next.js and React, hosted on Vercel, which supports fast performance and scalability. The use of Font Awesome 6 for icons and integration of analytics tools like Microsoft Clarity and Hockeystack indicate a mature technical stack. The site is mobile-optimized with responsive design and good accessibility practices. SEO is well addressed with proper meta tags and Open Graph data. No CMS was explicitly detected, suggesting a custom or framework-based solution. The technical infrastructure supports a professional and performant user experience, though continuous monitoring and updates are recommended to maintain security and performance standards.
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. 73/100 −8Medium22 findingsView report
  2. 81/100 +2Low23 findingsView report
  3. 79/100Low24 findingsView report
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