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Security report for bloomberg.com

Bloomberg · Media · N/a

Medium risk. 6 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

Bloomberg is a globally recognized media company specializing in financial news, market data, and analysis. It operates a subscription-based business model targeting business professionals, investors, and financial analysts. The website content is currently inaccessible due to a PerimeterX bot detection challenge, which limits direct content analysis. The company maintains professional branding and references comprehensive privacy and cookie policies, indicating a mature approach to compliance. However, no direct contact emails or phone numbers are exposed on this page, only a contact form link is provided. Technically, the site employs modern tracking and bot mitigation technologies such as Google Tag Manager and PerimeterX captcha. The HTML content is basic and mobile responsive to a degree, but lacks visible security headers and detailed SSL configuration information. The presence of advanced bot detection suggests a strong security posture against automated threats, but the lack of publicly visible security policies and incident response information indicates room for improvement. Overall, the website's security posture is moderate but limited by the inability to fully analyze due to the WAF challenge. The absence of WHOIS data reduces transparency but is likely due to privacy or registry restrictions rather than malicious intent. Strategic recommendations include enhancing security header implementation, publishing clear security and incident response policies, and improving accessibility and SEO compliance.

Scanned

This is an earlier scan of bloomberg.com. View the latest report

NIS2 and GDPR posture

GDPR outside view
50/ 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

6 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 Privacy Policy found

      GDPR requires a clear and accessible privacy policy

      What to do: Add a comprehensive privacy policy page and link to it prominently

    • 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

    • High

      Third-party services without privacy policy

      Detected services: Google Analytics

      What to do: Document all third-party data sharing in your privacy policy

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

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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
50
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

Bloomberg holds a leading position in the global financial media sector, leveraging a subscription-based revenue model focused on delivering timely and accurate market news and data. Its competitive advantage lies in its brand recognition, comprehensive market coverage, and integration of advanced analytics and data services. The company targets a professional audience including investors, financial analysts, and business decision-makers. Bloomberg's partnership ecosystem includes advertising and tracking service providers such as Adform and Google Tag Manager. Growth indicators are not directly observable from the blocked content, but the use of advanced bot mitigation suggests a high-value digital asset requiring protection. The company operates at an enterprise scale with consistent branding and professional content delivery.

Security posture

The website demonstrates a moderate security maturity level primarily through the deployment of PerimeterX bot detection technology, which effectively mitigates automated threats and unusual activity. However, the lack of visible security headers and absence of publicly available security or incident response policies indicate gaps in transparency and potential compliance. No vulnerabilities or exposed sensitive data were detected in the accessible content, but the inability to fully analyze the site due to the WAF challenge limits comprehensive assessment. Compliance with GDPR is implied through references to privacy and cookie policies. Incident response readiness and data protection officer contact information are not publicly disclosed, suggesting areas for enhancement in security culture and communication.

Recommendations

  1. Implement and publicly document comprehensive security headers such as Content Security Policy, HSTS, and X-Frame-Options.
  2. Publish clear and accessible security and incident response policies to improve transparency and compliance.
  3. Enhance accessibility and SEO features to meet modern web standards and improve user experience.
  4. Provide direct and verified contact information for security incidents and data protection inquiries.
  5. Develop a long-term security strategy that includes regular audits, vulnerability disclosures, and user privacy enhancements.
Site observations

Automated reading of the public site. Ratings are indicative.

PerimeterX detected. Page is a bot detection challenge by PerimeterX indicating unusual activity from the user network. These observations may be incomplete. For a fuller analysis, contact guard@offseq.com.

Business

Company
Bloomberg
Description
Bloomberg is a global media company providing business and markets news, data, analysis, and video to the world.
Key services
financial news, market data, analysis, subscription content
Content quality
basic
Branding
consistent

Technology

Stack
Google Tag Manager, PerimeterX Captcha, Adform tracking
Mobile
basic
Accessibility
basic
SEO
basic

Security

Observed score
25/100
Good practices seen
  • bot detection via PerimeterX captcha

Analytics and tracking

Services
Google Tag Manager
Tracking level
moderate
Privacy practices
basic

Advertising

Ad networks
Adform
Tracking pixels
Adform tracking
Transparency
basic

Site quality

Design
basic
User experience
basic
Content relevance
basic
Navigation
basic
Professionalism
basic
Trustworthiness
moderate

Key observations

  1. Website content is currently blocked by a PerimeterX bot detection challenge.
  2. No WHOIS data available from the registry for the domain.
  3. Site uses advanced bot mitigation technology.
  4. Privacy and cookie policies are referenced but not directly accessible from this page.
  5. No direct contact emails or phone numbers found; only a contact form link.
  6. No visible security headers or SSL details in the provided data.
  7. External scripts include Google Tag Manager and Adform tracking pixels.
  8. No social media links or physical addresses found in the HTML content.
  9. Content is safe and professional, focused on financial news and subscriptions.
Technical notes

Notes

The website utilizes modern web technologies including Google Tag Manager for analytics and Adform for advertising tracking. The presence of PerimeterX captcha indicates advanced bot mitigation infrastructure. The HTML and CSS are valid but minimal, reflecting a challenge page rather than full content delivery. Mobile optimization is basic but present. No CMS or hosting provider information is discernible from the content. Performance metrics cannot be accurately assessed due to the blocking mechanism. Technical debt is not evident but the reliance on third-party scripts for tracking and bot mitigation introduces dependencies and potential privacy considerations. Opportunities exist to improve security header implementation and enhance accessibility compliance.
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. 72/100 −1Medium24 findingsView report
  2. 73/100Medium22 findingsView report
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