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Security report for springserve.com

Magnite · Media · N/a

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

Security score

71/100

Risk levelMedium

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

Magnite is a leading independent sell-side advertising company specializing in programmatic advertising technology across multiple channels including Connected TV (CTV), streaming, online video, display, and audio. The company serves media owners and advertisers globally, providing advanced technology platforms such as SpringServe for ad serving and supply-side platform (SSP) services. Magnite holds a strong market position with extensive industry recognition and a comprehensive partner ecosystem. The website reflects a mature digital presence with multilingual support, professional branding, and rich content tailored to its target audience of media owners, buyers, and brands. Technically, the website is built on WordPress with modern technologies including Google Tag Manager, Marketo, LinkedIn Insight, and Hotjar for analytics and marketing. The site is well-optimized for SEO, mobile responsiveness, and accessibility, delivering fast performance and a user-friendly experience. Structured data and Open Graph tags are properly implemented to enhance search visibility and social sharing. From a security perspective, the site enforces HTTPS and uses secure forms but lacks explicit security headers and published security policies or incident response contacts. No vulnerabilities or exposed sensitive data were detected. Privacy compliance is strong with a comprehensive privacy policy, cookie consent mechanisms, and GDPR adherence indicators. However, the absence of WHOIS data reduces transparency, though the professional site and industry presence mitigate concerns. Overall, Magnite's website demonstrates a high level of professionalism, technical maturity, and compliance, supporting its enterprise-level business operations. Strategic recommendations include enhancing security headers, publishing a security policy and incident response contacts, and establishing a vulnerability disclosure program to further strengthen trust and security posture.

Scanned

This is an earlier scan of springserve.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

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 X-Frame-Options header

      Prevents clickjacking attacks

      What to do: Add "X-Frame-Options: DENY" or "X-Frame-Options: SAMEORIGIN"

  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 springserve.com

This scan found 22 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
62
Security headers
30
Email security
82
DNS health
85
Network security
100
GDPR outside view
68
Average
71

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

Magnite operates in the media and advertising technology sector as the largest independent sell-side advertising platform. Its business model focuses on providing programmatic advertising solutions to media owners and advertisers worldwide, leveraging technology to optimize ad revenue and audience targeting. The company benefits from a global infrastructure and a diverse partner ecosystem including subsidiaries like SpringServe and partnerships with platforms such as Rubicon Project. Magnite's revenue streams likely include platform fees, ad serving, and data services. The website's multilingual support and investor relations presence indicate a mature, enterprise-scale operation with growth ambitions. Industry awards and recognitions highlight competitive advantages in technology and market leadership. The absence of direct contact emails or phone numbers suggests a controlled communication approach, typical for large enterprises.

Security posture

Magnite's website security posture is solid with mandatory HTTPS and secure form implementations. The site uses modern analytics and marketing tools with consent mechanisms, indicating attention to privacy compliance. However, the lack of explicit security headers such as Content-Security-Policy, X-Frame-Options, and others is a gap that could be addressed to mitigate risks like clickjacking and cross-site scripting. No direct incident response or security policy information is published, which is a common shortfall but important for transparency and trust. No vulnerabilities or exposed sensitive data were detected in the content. The WHOIS data absence is a concern for domain transparency but does not directly impact website security. Overall, the security posture is good but could be improved with additional headers and published policies.

Recommendations

  1. Implement and enforce security headers including Content-Security-Policy, X-Frame-Options, and X-XSS-Protection.
  2. Publish a dedicated security policy page outlining security practices and compliance frameworks.
  3. Provide clear incident response contact information such as security@ or abuse@ email addresses.
  4. Establish and publicize a vulnerability disclosure program or security.txt file to encourage responsible reporting.
  5. Enhance WHOIS transparency if possible or provide domain registration details on the website for trust.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Magnite
Description
The world's top publishers trust Magnite to help them drive more advertising revenue across every channel and format, including CTV.
Key services
Programmatic advertising technology, Streaming and CTV advertising, Ad server and SSP services (SpringServe), Brand protection and transparency
Content quality
excellent
Branding
consistent

Technology

Stack
Google Tag Manager, Marketo Munchkin, LinkedIn Insight Tag, Hotjar, Yoast SEO, WordPress, Swiper.js
Frameworks
WordPress
Platforms
WordPress CMS
Performance
fast
Mobile
excellent
Accessibility
good
SEO
excellent

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • No exposed sensitive data detected
  • Secure forms with proper input fields

Analytics and tracking

Services
Hotjar, Google Tag Manager, Marketo, LinkedIn Insight
Tracking level
moderate
Privacy practices
good

Advertising

Ad networks
Rubicon Project (DV+), SpringServe
Tracking pixels
Marketo Munchkin, LinkedIn Insight, Hotjar
Marketing tools
Marketo, Hotjar
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 SEO and metadata implementation including Open Graph and JSON-LD structured data.
  3. Multiple language support with hreflang tags for global audience.
  4. Professional design with responsive and accessible layout.
  5. Multiple external trusted domains linked, including partner and investor relations sites.
  6. No direct company emails or phone numbers found on main pages; contact via form only.
  7. No explicit security policy or incident response contact published.
  8. Use of modern marketing and analytics tools with consent mechanisms.
  9. WHOIS data unavailable, which reduces transparency but does not negate legitimacy.
Technical notes

Notes

The website is built on WordPress CMS with a modern tech stack including Google Tag Manager, Marketo, LinkedIn Insight, Hotjar, and Swiper.js for UI components. The site is well-structured with comprehensive metadata, Open Graph tags, and JSON-LD structured data for SEO and social media optimization. It supports multiple languages with hreflang tags, indicating a global audience focus. Performance is fast with responsive design and good accessibility features. The use of external marketing and analytics tools is balanced with privacy compliance mechanisms. No technical debt or deprecated libraries were detected in the provided content. Hosting provider details are not explicit but the site uses HTTPS with a valid SSL configuration. Overall, the technical infrastructure supports a robust, scalable, and user-friendly digital presence.
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. 71/100 +2Medium30 findingsView report
  2. 69/100Medium26 findingsView report
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