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Security report for bloomberg.net

Bloomberg L.P. · Finance · United States

Low risk. 3 critical or high findings in Security headers and SSL/TLS.

Security score

76/100

Risk levelLow

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

Bloomberg L.P. is a globally recognized leader in business and financial information, providing a comprehensive suite of products and services including the Bloomberg Terminal, data analytics, trading platforms, and media distribution. The company targets financial professionals, enterprises, and decision makers worldwide, offering trusted data and insights to enable smarter business decisions. The website reflects Bloomberg's enterprise stature with professional design, clear navigation, and extensive content about careers, products, and corporate values. Technically, the website leverages modern web technologies including WordPress CMS, Yoast SEO for optimization, Google Tag Manager for analytics, and New Relic for performance monitoring. The site is mobile-optimized, fast-loading, and accessible, demonstrating a mature digital infrastructure. Security best practices are observed with HTTPS enforcement and security headers, although explicit security policy and incident response information are not publicly detailed. The security posture is strong with no visible vulnerabilities or exposed sensitive data. Privacy compliance is well addressed with comprehensive privacy and cookie policies, including consent mechanisms and GDPR considerations. Contact information is clearly provided with regional emails and phone numbers, enhancing business credibility. Overall, Bloomberg's website is a high-quality, trustworthy digital presence that aligns with its market position as a leading financial information provider. The absence of WHOIS data is likely due to registry privacy policies and does not detract from the site's legitimacy. Strategic recommendations include publishing dedicated security policies and vulnerability disclosure information to further enhance transparency and trust.

Scanned

NIS2 and GDPR posture

GDPR outside view
83/ 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

3 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 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';…

  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

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

Keep watching bloomberg.net

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.

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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
82
Security headers
35
Email security
72
DNS health
85
Network security
100
GDPR outside view
83
Average
76

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

Bloomberg operates in the finance, media, and technology sectors, offering essential information services and software products to a global audience. Its business model centers on subscription-based data services, trading and risk management platforms, and media content distribution. The company maintains a strong market position as a trusted source of financial data and insights. Bloomberg's extensive partnership and subsidiary ecosystem, including Bloomberg Law, Bloomberg Tax, and Bloomberg Government, supports its diversified offerings. The website's content and structure reflect a focus on attracting talent, informing customers, and reinforcing corporate values, indicating a strategic emphasis on growth and brand reputation.

Security posture

The website demonstrates a mature security posture with enforced HTTPS, comprehensive security headers, and no visible exposure of sensitive information. However, there is no dedicated security policy or incident response contact information publicly available, which could be improved to meet best practices. The use of third-party analytics and tracking tools is balanced with privacy compliance measures, including cookie consent and GDPR adherence. No vulnerabilities or suspicious activities were detected in the site content or scripts. Overall, the security maturity is high but could benefit from enhanced transparency and formalized disclosure mechanisms.

Recommendations

  1. Publish a dedicated security policy page outlining security practices and commitments.
  2. Provide explicit incident response contact details such as security@ or abuse@ email addresses.
  3. Implement and publish a vulnerability disclosure policy or security.txt file to encourage responsible reporting.
  4. Regularly audit and update third-party scripts and libraries to mitigate potential vulnerabilities.
  5. Enhance accessibility features to improve inclusivity and compliance with standards.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Bloomberg L.P.
Description
Bloomberg connects decision makers to a dynamic network of data, delivering business and financial information, news and insights globally.
Key services
Bloomberg Terminal, Data services, Trading platforms, Risk management, Compliance, Indices, Media and news distribution
Content quality
excellent
Branding
consistent

Technology

Stack
JavaScript, Vimeo Player API, Google Tag Manager, New Relic Browser Agent, Polyfill.io, Yoast SEO plugin, WPBakery Page Builder, WordPress CMS
Frameworks
WordPress, Yoast SEO
Platforms
WordPress
Performance
fast
Mobile
excellent
Accessibility
good
SEO
excellent

Security

Observed score
90/100
Good practices seen
  • HTTPS enforced
  • Use of security headers
  • No exposed sensitive data in HTML
  • Secure forms with proper labels

Analytics and tracking

Services
Google Analytics (via GTM), New Relic Browser Agent
Tracking level
moderate
Privacy practices
good

Advertising

Tracking pixels
Google Optimize, New Relic
Marketing tools
Google Optimize
Transparency
good

Site quality

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

Key observations

  1. Website is professionally designed and well maintained.
  2. Comprehensive privacy, cookie, and terms policies are present.
  3. Multiple regional contact emails and phone numbers provided.
  4. Strong social media presence on major platforms.
  5. Use of modern web technologies and analytics tools.
  6. No signs of malicious or suspicious content.
  7. WHOIS data unavailable, but site legitimacy is high based on content and branding.
Technical notes

Notes

The website is built on WordPress CMS with Yoast SEO plugin, ensuring strong SEO and content management capabilities. It uses modern JavaScript libraries and APIs such as Vimeo Player and Google Tag Manager for analytics and marketing optimization. Polyfills are included for broad browser compatibility. The site is mobile-responsive, fast-loading, and well-structured with semantic HTML and ARIA roles for accessibility. Performance monitoring is enabled via New Relic. No technical debt or deprecated technologies were detected. Hosting details are not explicit but likely enterprise-grade given the scale and professionalism of the site.
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. 73/100Medium22 findingsView report
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