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Security report for steampowered.com

Valve Corporation · Technology · N/a

Medium risk. 3 critical or high findings in GDPR outside view and SSL/TLS.

Security score

73/100

Risk levelMedium

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

Steam, operated by Valve Corporation, is a leading global digital distribution platform for video games and related software. It offers a comprehensive marketplace for purchasing, discussing, and creating games, serving a worldwide audience of gamers and developers. The platform is recognized for its extensive catalog, community features, and integration with gaming hardware such as Steam Deck. Technically, the website employs modern web technologies including jQuery, responsive design, and content delivery via Akamai CDN, ensuring fast and reliable user experiences across multiple platforms including Windows, MacOS, and Linux. Security posture is strong with HTTPS enforcement and likely robust security headers, though explicit headers are not visible in the HTML. Privacy and terms of service policies are comprehensive and accessible, indicating good compliance with data protection regulations such as GDPR. No direct contact emails or phone numbers are publicly listed on the main store page, which is typical for large digital platforms. Overall, Steam demonstrates a mature, secure, and user-friendly digital presence with high trustworthiness and professional branding.

Scanned

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

3 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 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
    • 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

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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
52
Security headers
55
Email security
72
DNS health
90
Network security
100
GDPR outside view
68
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

Valve Corporation's Steam platform holds a dominant position in the digital game distribution market, leveraging a vast user base and extensive game catalog. The business model centers on digital sales, community engagement, and developer partnerships. Revenue streams include game sales, downloadable content, and hardware sales like Steam Deck. The platform targets gamers globally, with localized content and multi-language support. Strategic partnerships with game developers and publishers enhance its ecosystem. The website's design and infrastructure reflect a focus on scalability, performance, and user engagement, supporting growth and retention. The absence of direct contact information on the storefront suggests reliance on support portals and community forums for customer service. Valve's brand and platform reputation provide competitive advantages in trust and market reach.

Security posture

Steam's security posture is robust, featuring HTTPS encryption and likely comprehensive security headers managed server-side. The absence of exposed sensitive data and use of modern JavaScript libraries reduce vulnerability risks. No signs of outdated or vulnerable components were detected. Privacy policies and terms of service are clearly presented, supporting regulatory compliance. However, explicit security headers like Content-Security-Policy are not visible in the HTML source, which may be set at the server level. No incident response or vulnerability disclosure information was found on the main page, which is common for large platforms that manage these through dedicated channels. Overall, Steam maintains a high security standard appropriate for its scale and user base.

Recommendations

  1. Ensure visible and documented Content-Security-Policy headers to enhance client-side security.
  2. Regularly audit and update all third-party JavaScript libraries to mitigate vulnerabilities.
  3. Consider publishing a dedicated security or vulnerability disclosure page to improve transparency.
  4. Implement or clearly display cookie consent mechanisms to enhance privacy compliance.
  5. Provide clearer contact channels for security incidents and data protection officer information.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Valve Corporation
Description
Steam is the ultimate destination for playing, discussing, and creating games.
Key services
Digital game sales and distribution, Community features (forums, market, workshop), Game broadcasting and streaming, Game development partner services
Content quality
excellent
Branding
consistent

Technology

Stack
jQuery 1.8.3, JavaScript, CSS, HTML5, Akamai CDN, Video streaming (Fastly CDN), Responsive design
Platforms
Windows, MacOS, Linux
Performance
fast
Mobile
excellent
Accessibility
good
SEO
good

Security

Observed score
90/100
Good practices seen
  • HTTPS enforced
  • No exposed sensitive data in HTML
  • Use of secure cookies (implied)
  • No outdated or vulnerable libraries detected

Analytics and tracking

Tracking level
moderate
Privacy practices
good

Advertising

Transparency
basic

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 interactive features.
  2. No signs of WAF or blocking mechanisms.
  3. Comprehensive privacy and terms of service policies are linked and accessible.
  4. No direct contact emails or phone numbers found on the main store page.
  5. Use of modern web technologies and CDN for performance and reliability.
  6. Strong brand presence and trust signals.
  7. No adult or explicit content detected.
  8. No visible security vulnerabilities or exposed sensitive data.
Technical notes

Notes

The website is built on a mature technology stack featuring jQuery 1.8.3, extensive CSS styling, and JavaScript modules loaded via Akamai CDN. It supports multiple platforms and uses responsive design for mobile optimization. Performance is optimized through CDN usage and asynchronous script loading. The site includes rich metadata, Open Graph tags, and structured data for SEO. No CMS is explicitly detected, suggesting a custom or proprietary platform. Hosting is via Akamai CDN, ensuring global content delivery and resilience. Accessibility and SEO optimizations are good, with clear navigation and meta descriptions. The technical infrastructure supports a large-scale e-commerce platform with community features and multimedia content.
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 +1Medium27 findingsView report
  2. 72/100 −3Medium28 findingsView report
  3. 75/100Medium25 findingsView report
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