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Security report for thetradedesk.com

The Trade Desk · Technology · United Kingdom

Low risk. 2 critical or high findings in GDPR outside view and SSL/TLS.

Security score

81/100

Risk levelLow

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

The Trade Desk is a leading independent demand-side platform (DSP) specializing in programmatic advertising solutions for data-driven marketers and advertisers. Their omnichannel platform supports brand building and performance marketing across multiple channels including audio, connected TV, digital out-of-home, display, mobile, native, and video. The company positions itself as a technology innovator with capabilities in identity solutions, measurement, artificial intelligence, and retail data integration. The website reflects a mature enterprise with a professional design, clear navigation, and comprehensive content tailored to marketing professionals globally, including localized versions for multiple regions and languages. Technically, the website employs modern JavaScript frameworks such as Alpine.js and Vite, integrates Google Tag Manager and Rollbar for analytics and error tracking, and demonstrates excellent mobile optimization and SEO practices. The site is served over HTTPS with no detected blocking or WAF challenges, indicating a robust digital infrastructure. However, some security best practices such as explicit security headers and published security policies are not evident. From a security perspective, the site enforces HTTPS, uses reputable analytics and error monitoring tools with privacy considerations (e.g., IP capture disabled in Rollbar), and does not expose sensitive data or vulnerable libraries in the analyzed content. The absence of a published security policy or incident response contact is a gap that could be addressed to enhance trust and compliance. The WHOIS data is unavailable or not returned in the raw output, which limits domain registration transparency but does not detract significantly from the site's legitimacy given the professional presentation and ecosystem. Overall, The Trade Desk's website demonstrates a high level of professionalism, technical maturity, and privacy compliance suitable for an enterprise in the advertising technology sector. Strategic recommendations include publishing detailed security and incident response policies, enhancing security headers, and improving WHOIS transparency to further strengthen trust and compliance.

Scanned

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

NIS2 and GDPR posture

GDPR outside view
68/ 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

2 findings rated critical or high. Fix these first.

  1. 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

  2. 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 thetradedesk.com

This scan found 16 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
75
Security headers
80
Email security
80
DNS health
85
Network security
100
GDPR outside view
68
Average
81

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 thetradedesk.com, from OffSeq Breach.

Total records
637
Employees
6
Customers
571
Third parties
60
Weak passwords
13%

Latest record dated 2026-05-13 · 20 subdomains 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 thetradedesk.com.

Select it in the checkout above.

Masked preview

  • –shop.thetradedesk.com2026-05-13
  • –shop.thetradedesk.com2025-11-14
  • –shop.thetradedesk.com2025-09-17
  • –shop.thetradedesk.com2025-08-20
  • –shop.thetradedesk.com2025-04-15

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

Open in Breach(opens in a new tab)Monitor on Breach(opens in a new tab)

Technical appendix

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

Business context

Business profile

The Trade Desk operates as a major player in the digital advertising technology industry, offering a demand-side platform that enables marketers to execute data-driven, omnichannel advertising campaigns. Their business model revolves around providing programmatic buying solutions, identity resolution, and measurement tools to optimize advertising spend and performance. The company targets advertisers, agencies, and brands seeking advanced technology for audience targeting and campaign management. The presence of multiple regional sites and language options indicates a global market reach. Partnerships with educational platforms and developer portals suggest a strong ecosystem focus. The company likely generates revenue through platform usage fees and data services. The absence of direct contact emails or phone numbers on the main site suggests a controlled communication channel via forms and partner sites, typical for enterprise B2B services.

Security posture

The website exhibits a solid security posture with mandatory HTTPS usage and integration of error tracking tools configured to avoid IP address capture, reflecting privacy-conscious practices. The use of Google Tag Manager is standard for analytics but requires ongoing monitoring to prevent injection risks. No security headers were detected in the provided content, which is a potential area for improvement to mitigate clickjacking, XSS, and other web attacks. The lack of a published security policy or incident response contact reduces transparency and may impact compliance with regulations such as GDPR and NIS2. No vulnerabilities or exposed sensitive data were identified in the analyzed content. Overall, the security posture is good but could be enhanced by publishing security documentation and implementing additional HTTP security headers.

Recommendations

  1. Publish a dedicated security policy page outlining security practices and compliance.
  2. Add and enforce HTTP security headers such as Content-Security-Policy, X-Frame-Options, and Strict-Transport-Security.
  3. Provide clear incident response contact information, including security@ or abuse@ email addresses.
  4. Improve WHOIS transparency by ensuring domain registration details are publicly accessible or provide justification for privacy protection.
  5. Regularly audit third-party scripts and analytics tools to ensure no privacy or security risks.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
The Trade Desk
Description
From brand building to performance marketing, our omnichannel platform was built with one goal: helping you reach yours.
Key services
Omnichannel advertising, Identity solutions, Measurement & optimisation, Artificial intelligence, Retail data, APIs & custom solutions, Programmatic buying solutions, Partner directory, OpenPath
Content quality
excellent
Branding
consistent

Technology

Stack
JavaScript, Rollbar, Google Tag Manager, Alpine.js, Vite (modulepreload), MobileSelect
Frameworks
Alpine.js
Platforms
Web
Performance
fast
Mobile
excellent
Accessibility
good
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Use of Google Tag Manager with async loading
  • Rollbar error tracking with IP capture disabled

Analytics and tracking

Services
Google Tag Manager, Rollbar
Tracking level
moderate
Privacy practices
good

Advertising

Ad networks
The Trade Desk DSP
Tracking pixels
Rollbar
Marketing tools
Rollbar
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 no blocking or WAF challenges.
  2. Content is professionally presented and targeted at advertising professionals.
  3. Multiple language versions and regional sites are available.
  4. No direct company contact emails or phone numbers found in the HTML content; contact is via forms and partner sites.
  5. No explicit security policy or incident response information published.
  6. Use of modern JavaScript frameworks and analytics tools.
  7. No suspicious or malicious domains linked.
  8. WHOIS data is missing, which reduces transparency but does not directly indicate malicious intent.
Technical notes

Notes

The website leverages modern web technologies including Alpine.js for reactive UI components and Vite for module bundling and loading, indicating a contemporary front-end development approach. Integration with Google Tag Manager and Rollbar supports analytics and error monitoring, enhancing operational visibility. The site is well-optimized for mobile devices and demonstrates good SEO practices with comprehensive meta tags and Open Graph data. The absence of a detected CMS suggests a custom or proprietary platform. Hosting details are not explicitly available but the use of CDN domains for scripts and assets indicates a distributed content delivery strategy. Performance is fast with asynchronous script loading and minimal blocking resources. Opportunities exist to enhance security headers and publish additional compliance documentation to reduce technical debt and improve trustworthiness.
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. 82/100 +1Low24 findingsView report
  2. 81/100 +14Low25 findingsView report
  3. 67/100Medium28 findingsView report
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