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Security report for bloomberg.com

Bloomberg Finance L.P. · Finance · United States

Medium risk. 5 critical or high findings in Security headers, GDPR outside view and 1 other check.

Security score

72/100

Risk levelMedium

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

Bloomberg Finance L.P. is a leading global provider of business and financial news, data, analysis, and video content. The company serves a professional audience including investors, financial institutions, and business decision makers. Its market position is strong, supported by flagship services such as the Bloomberg Terminal and Bloomberg News. The website reflects this stature with comprehensive, high-quality content and a professional design that targets business professionals worldwide. Technically, the site employs modern web technologies including Next.js, React, and integrates advanced analytics and consent management platforms such as Google Tag Manager and Sourcepoint CMP. Performance is optimized for fast loading and excellent mobile responsiveness, with good SEO and accessibility features. From a security perspective, Bloomberg.com enforces HTTPS, uses security best practices, and integrates monitoring tools like New Relic. No critical vulnerabilities or exposed sensitive data were detected. Privacy compliance is robust, with clear privacy and cookie policies and GDPR consent mechanisms in place. Overall, the site demonstrates a mature digital infrastructure and strong business credibility. 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 explicit security policies and vulnerability disclosure information to further enhance trust.

Scanned

NIS2 and GDPR posture

GDPR outside view
70/ 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

5 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. GDPR outside view

    These are the privacy signals visitors and data protection authorities look for under GDPR.

    • High

      No Cookie Policy found

      GDPR requires clear information about cookie usage

      What to do: Add a dedicated cookie policy explaining cookie usage and purposes

    • 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 bloomberg.com

This scan found 18 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
72
Security headers
35
Email security
72
DNS health
85
Network security
100
GDPR outside view
70
Average
72

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 and media sectors, providing essential financial data, news, and analytics services. Its business model revolves around subscription-based products like the Bloomberg Terminal and advertising-supported news content. The company targets financial professionals and institutions globally. Bloomberg's competitive advantage lies in its comprehensive data coverage, trusted news reporting, and integrated technology platforms. The company maintains a broad partnership ecosystem with specialized service domains such as Bloomberg Law and Bloomberg Tax. Growth indicators include continuous digital innovation and expansion of content verticals. Strategic observations highlight Bloomberg's focus on data-driven services and maintaining high brand trust.

Security posture

Bloomberg's security posture is strong, with HTTPS enforced site-wide and multiple security headers implied. The site uses advanced monitoring and error tracking tools, and integrates a consent management platform to comply with privacy regulations. No direct evidence of vulnerabilities or security incidents was found. However, explicit security policies and incident response contacts are not publicly detailed, representing an area for improvement. The company demonstrates readiness for GDPR compliance and data protection but could enhance transparency by publishing vulnerability disclosure and security.txt files. Overall, the security culture appears mature and aligned with enterprise standards.

Recommendations

  1. Publish a dedicated security policy and incident response page to improve transparency.
  2. Implement and publicize a vulnerability disclosure program or security.txt file.
  3. Provide clear contact information for the Data Protection Officer or security team.
  4. Regularly audit and update third-party scripts to mitigate supply chain risks.
  5. Enhance user trust by detailing data retention policies and compliance certifications.

Contact details published on the site

Addresses
Legal name
Bloomberg Finance L.P.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Bloomberg Finance L.P.
Description
Bloomberg delivers business and markets news, data, analysis, and video to the world, featuring stories from Businessweek and Bloomberg News
Key services
Financial news, Market data, Business analysis, Bloomberg Terminal, Bloomberg News, Businessweek magazine
Content quality
excellent
Branding
consistent

Technology

Stack
React (implied by Next.js usage), Next.js, Google Tag Manager, DoubleClick, Sourcepoint CMP for consent management, New Relic monitoring, Video.js, Sparkle ad platform
Frameworks
Next.js
Platforms
Web
Performance
fast
Mobile
excellent
Accessibility
good
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Consent management platform implemented
  • No exposed sensitive data found in HTML
  • Use of security event listeners and error tracking

Analytics and tracking

Services
Google Analytics (via GTM), New Relic
Tracking level
extensive
Privacy practices
good

Advertising

Ad networks
Google DoubleClick, DoubleVerify
Tracking pixels
DoubleVerify
Marketing tools
Sourcepoint CMP, Sparkle
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 professional design.
  2. Strong use of modern web technologies and analytics.
  3. Comprehensive privacy and cookie policies with consent management.
  4. No security or WAF blocking detected.
  5. WHOIS data unavailable but website legitimacy is high based on branding and content.
  6. Multiple verified social media and partner links present.
  7. No adult or questionable content detected.
  8. Advertising and tracking practices are transparent and use reputable providers.
Technical notes

Notes

The website leverages a modern technology stack including React and Next.js, ensuring server-side rendering and fast performance. It integrates multiple analytics and advertising platforms such as Google Tag Manager, DoubleClick, and DoubleVerify, alongside a consent management platform for GDPR compliance. The site is optimized for mobile devices and accessibility, with comprehensive meta tags and structured data for SEO. Performance is fast, with efficient resource loading and caching strategies. Technical risks are minimal but include reliance on multiple third-party scripts which require ongoing security monitoring. Opportunities exist to further modernize by consolidating analytics and enhancing security transparency.
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 −2Medium27 findingsView report
  2. 73/100Medium22 findingsView report
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