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Security report for pubmatic.com

PubMatic · Technology · United States

Low risk. 2 critical or high findings in Security headers and GDPR outside view.

Security score

80/100

Risk levelLow

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

PubMatic is a well-established programmatic advertising technology company founded in 2006, providing a suite of sell-side advertising solutions targeting publishers, app developers, CTV/OTT publishers, buyers, and commerce media. The company positions itself as a leader in maximizing customer value and control in digital advertising. The website reflects a mature digital presence built on WordPress with modern technologies such as jQuery, GSAP, and Bootstrap, and integrates multiple marketing and analytics tools including Google Tag Manager and Pardot. Security posture is solid with HTTPS enforced and domain locking, though DNSSEC is not enabled and explicit security policies are not published. Privacy compliance is addressed with visible privacy and cookie policies and a consent management platform. Overall, the site is professional, well-branded, and trustworthy, with no signs of malicious content or blocking mechanisms.

Scanned

This is an earlier scan of pubmatic.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. 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 Consent Banner found

      GDPR requires explicit consent for non-essential cookies

      What to do: Implement a cookie consent banner that appears on first visit

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

Keep watching pubmatic.com

This scan found 17 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
90
Security headers
70
Email security
70
DNS health
80
Network security
100
GDPR outside view
68
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

PubMatic operates in the technology sector, specifically in advertising technology, serving a broad audience including publishers and buyers in digital advertising. The business model revolves around providing programmatic advertising platforms and tools such as SSP, Connect, Identity Hub, and Activate. The company maintains a strong market position with a long domain history and consistent branding. The website's external links and partner domains indicate an ecosystem of events, investor relations, and support resources. The absence of direct contact emails or phone numbers on the homepage suggests a controlled communication channel via contact forms. The company leverages multiple third-party marketing and analytics services to optimize user engagement and advertising effectiveness.

Security posture

The website demonstrates a good security posture with HTTPS enabled and domain status flags that prevent unauthorized domain changes. The use of a consent management platform indicates attention to privacy compliance. However, the absence of DNSSEC and explicit security or incident response policies are gaps that could be addressed to enhance trust and resilience. No vulnerabilities or exposed sensitive data were detected in the analyzed content. The site does not publish a vulnerability disclosure or security.txt file, which could improve transparency and security collaboration. Overall, the security maturity is good but could benefit from formalized policies and DNS security enhancements.

Recommendations

  1. Enable DNSSEC to improve DNS security and prevent spoofing.
  2. Publish a dedicated security policy and incident response contact information.
  3. Implement a vulnerability disclosure program or security.txt file.
  4. Enhance website accessibility features to improve compliance and user experience.
  5. Regularly audit and update third-party scripts to mitigate potential vulnerabilities.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
PubMatic
Description
PubMatic is a sell-side advertising technology company that maximizes customer value and puts clients in control of their digital advertising business.
Key services
PubMatic SSP, Connect, Identity Hub, OpenWrap, Activate, Auction Packages, Convert
Content quality
good
Branding
consistent

Technology

Stack
jQuery, GSAP, Google Tag Manager, Yoast SEO, Bootstrap, Slick Carousel, Zoomify, Ketch CMP
Frameworks
WordPress
Platforms
Web
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
80/100
Good practices seen
  • HTTPS enforced
  • Domain locked with multiple client*Prohibited statuses
  • Use of consent management platform (Ketch CMP)

Analytics and tracking

Services
Google Analytics, Google Tag Manager, Pardot
Tracking level
moderate
Privacy practices
good

Advertising

Ad networks
PubMatic SSP
Tracking pixels
Pardot, Ketch CMP
Marketing tools
Pardot
Transparency
basic

Site quality

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

Key observations

  1. Website is professionally designed and well-structured.
  2. Content is business-focused on programmatic advertising technology.
  3. No signs of malicious or suspicious content.
  4. Use of multiple third-party marketing and analytics tools.
  5. No direct company emails or phone numbers found on homepage; contact via form.
  6. No explicit security or incident response policies published.
  7. Domain is long-established and well-maintained.
Technical notes

Notes

The website is built on WordPress CMS with a modern tech stack including jQuery, GSAP, Bootstrap, and various plugins for SEO and user experience enhancements. Performance is moderate with preloading of key images and asynchronous loading of scripts. The site is mobile optimized and SEO friendly with proper meta tags and structured data. Hosting details are not explicit but DNS is managed via NS1 name servers. The site uses multiple external domains for analytics, marketing, and content delivery. Technical risks are low but the lack of DNSSEC and some accessibility features represent areas for improvement.
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. 79/100 −1Low26 findingsView report
  2. 80/100 +1Low26 findingsView report
  3. 79/100Low26 findingsView report
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