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Security report for siriusxm.com

SiriusXM · Media · United States

Medium risk. 4 critical or high findings in SSL/TLS, Security headers and 1 other check.

Security score

73/100

Risk levelMedium

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

SiriusXM is a leading enterprise in the media and telecommunications sector, providing a broad range of audio entertainment services including satellite radio, streaming apps, exclusive channels, and live sports coverage. The company targets general consumers seeking diverse audio content accessible across multiple platforms such as cars, mobile devices, and smart home systems. The website reflects a mature digital presence with excellent content quality, clear navigation, and professional branding consistent with a top-tier media provider. Technically, the site leverages modern frameworks like Next.js and React, integrates advanced analytics and marketing tools such as Adobe DTM, Google Tag Manager, and Datadog RUM, and employs robust cookie consent mechanisms. The performance is fast, mobile optimization is excellent, and SEO practices are well implemented, indicating a high level of digital maturity. From a security perspective, the website enforces HTTPS with strong SSL configurations and implements key security headers including CSP and HSTS. No vulnerabilities or exposed sensitive data were detected. However, the absence of a dedicated security policy or vulnerability disclosure page suggests room for improvement in transparency and incident response readiness. Overall, the site is trustworthy and professionally managed, though the lack of WHOIS data limits domain registration transparency. The risk profile is low, with recommendations focusing on enhancing security communication and formalizing vulnerability disclosure processes.

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. 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

  2. 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 X-Frame-Options header

      Prevents clickjacking attacks

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

    • 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';…

  3. 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 siriusxm.com

This scan found 21 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

Email alerts on material changes and an exportable JSON history of every change.

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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
25
Email security
85
DNS health
85
Network security
100
GDPR outside view
80
Average
73

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

SiriusXM holds a strong market position as a premier provider of satellite and streaming audio entertainment in the United States. Its business model is subscription-based, offering tiered plans for access to exclusive content and live sports. The company benefits from a diverse content portfolio including music, talk shows, news, and podcasts, appealing to a wide demographic. Strategic partnerships with major sports leagues and celebrity hosts enhance its competitive advantage. The website's integration of advanced marketing and analytics tools supports targeted customer engagement and growth. No direct parent or subsidiary domains were identified from the data provided.

Security posture

The website demonstrates a mature security posture with enforced HTTPS, comprehensive security headers, and no visible exposure of sensitive information. The use of cookie consent tools aligns with privacy regulations such as GDPR. However, the absence of explicit security policies, incident response contacts, and vulnerability disclosure mechanisms indicates gaps in security transparency and preparedness. No critical vulnerabilities or malware indicators were found. The security score is high but could be improved by publishing dedicated security documentation and contact channels for incident reporting.

Recommendations

  1. Publish a dedicated security policy page outlining security practices and compliance.
  2. Establish and publicize an incident response contact channel for security issues.
  3. Implement and disclose a vulnerability disclosure or security.txt file to encourage responsible reporting.
  4. Enhance transparency around data retention policies and user privacy controls.
  5. Maintain regular security audits and update third-party libraries to mitigate potential vulnerabilities.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
SiriusXM
Description
SiriusXM offers a wide variety of audio entertainment including music, sports, talk, news, and podcasts accessible via car, mobile app, home devices, and more.
Key services
Satellite radio, Streaming app, Exclusive channels and podcasts, Live sports coverage
Content quality
excellent
Branding
consistent

Technology

Stack
React, Next.js, Adobe DTM, Google Tag Manager, Datadog RUM, OneTrust Cookie Consent, YouTube embeds
Frameworks
Next.js
Platforms
Web, Mobile apps (iOS, Android)
Performance
fast
Mobile
excellent
Accessibility
good
SEO
good

Security

Observed score
90/100
Good practices seen
  • HTTPS enforced
  • Use of CSP
  • Cookie consent mechanism
  • No exposed sensitive data in HTML

Analytics and tracking

Services
Google Analytics (via GTM), Datadog RUM, Quantum Metric
Tracking level
extensive
Privacy practices
good

Advertising

Ad networks
Twitter Ads, Bizible
Tracking pixels
Adobe DTM, Datadog RUM, Quantum Metric
Marketing tools
Adobe DTM, Bizible
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 multimedia content.
  2. Strong brand presence and consistent design.
  3. Comprehensive subscription and content offerings.
  4. Use of modern web technologies and analytics.
  5. No visible security or privacy red flags on the site.
  6. WHOIS data unavailable, possibly due to privacy or registry restrictions.
Technical notes

Notes

The website is built on a modern tech stack including React and Next.js, enabling server-side rendering and optimized performance. It integrates multiple third-party analytics and marketing platforms such as Adobe DTM, Google Tag Manager, Datadog RUM, and Quantum Metric, facilitating comprehensive user behavior tracking and marketing automation. The site is mobile-optimized with responsive design and preloading of critical assets for fast load times. Accessibility features are present but could be further enhanced. No CMS was explicitly detected. Hosting details are not disclosed but performance indicators suggest a reliable infrastructure.
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. 70/100 +7Medium29 findingsView report
  2. 63/100Medium28 findingsView report
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