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Security report for interactivebrokers.com

Interactive Brokers LLC · Finance · United States

Medium risk. 4 critical or high findings in Security headers, GDPR outside view and 1 other check.

Security score

73/100

Risk levelMedium

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

Interactive Brokers LLC operates a leading global online brokerage platform providing direct access to stocks, options, futures, currencies, bonds, and funds. The company targets a broad audience including individual traders, investors, advisors, and institutional clients. It holds a strong market position supported by a Nasdaq listing, substantial equity capital, and multiple industry awards. The website reflects a mature digital presence with comprehensive product information, multilingual support, and advanced trading technologies. Technically, the site uses modern frameworks like Bootstrap and jQuery, is well optimized for performance and mobile devices, and implements strong security headers and HTTPS encryption. Privacy compliance is evident through cookie consent mechanisms and a detailed privacy policy. However, the absence of publicly available WHOIS data and explicit security policy or incident response contacts slightly reduce trustworthiness. Overall, the site demonstrates a high level of professionalism, security, and user experience suitable for a major financial services provider.

Scanned

NIS2 and GDPR posture

GDPR outside view
58/ 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

4 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"

  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 interactivebrokers.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.

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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
72
Security headers
55
Email security
75
DNS health
75
Network security
100
GDPR outside view
58
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

Interactive Brokers is positioned as a top-tier online broker with a comprehensive suite of trading platforms and services catering to diverse client segments globally. Its business model focuses on low commissions, advanced technology, and global market access. The company leverages partnerships and subsidiaries such as ForecastEx and Interactive Advisors to expand its offerings. The website's content and structure indicate a focus on transparency, regulatory compliance, and customer education. The presence of multiple awards and strong capital metrics underscores its competitive advantage and market leadership. The company’s digital ecosystem integrates research, portfolio analysis, and trading tools, supporting a sophisticated user base. Strategic observations include the need to enhance visible security governance and improve WHOIS transparency to align with best practices for financial institutions.

Security posture

The website exhibits a strong security posture with enforced HTTPS, comprehensive security headers, and no visible exposure of sensitive data. The use of Content Security Policy and other headers mitigates common web vulnerabilities. Consent management for cookies aligns with privacy regulations. However, the lack of a published security policy, incident response information, or vulnerability disclosure program represents a gap in transparency and readiness communication. No vulnerable libraries or insecure forms were detected. The site benefits from hosting on a reputed CDN and monitoring services. To enhance security maturity, the company should consider publishing explicit security governance documents and providing direct security contact channels. Overall, the security posture is robust but could improve in transparency and incident response readiness.

Recommendations

  1. Publish a dedicated security policy and incident response page to improve transparency and user trust.
  2. Implement and publicize a vulnerability disclosure program or security.txt file to encourage responsible reporting.
  3. Provide direct security contact emails (e.g., security@interactivebrokers.com) for incident reporting and inquiries.
  4. Regularly audit and update third-party scripts and libraries to mitigate potential vulnerabilities.
  5. Enhance WHOIS data transparency to align with expectations for a large financial services company.

Contact details published on the site

Legal name
Interactive Brokers LLC
Registration number
company number 03958476
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Interactive Brokers LLC
Description
Leading online trading solutions for traders, investors and advisors, with direct global access to stocks, options, futures, currencies, bonds and funds. Transparent, low commissions and financing rates and support for best execution.
Key services
Online trading, Global market access, Trading platforms, Portfolio analysis, Research and news, Cash management
Content quality
excellent
Branding
consistent

Technology

Stack
jQuery 3.6.1, Bootstrap 5.2.2, JavaScript, CSS3, HTML5
Frameworks
Bootstrap
Platforms
Web
Performance
fast
Mobile
excellent
Accessibility
good
SEO
good

Security

Observed score
90/100
Good practices seen
  • HTTPS enforced
  • Secure cookies
  • No exposed sensitive data in HTML
  • Use of CSP and other headers
  • Consent management for cookies

Analytics and tracking

Services
Google Analytics
Tracking level
moderate
Privacy practices
good

Advertising

Tracking pixels
Google Analytics (gtag), Akamai Boomerang
Marketing tools
Consent management scripts
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 navigation
  2. Strong branding and consistent professional design
  3. Comprehensive product and service offerings detailed
  4. Multiple language options and global market focus
  5. Use of modern web technologies and performance optimizations
  6. Good privacy and cookie consent mechanisms implemented
  7. No direct contact emails or phone numbers visible on homepage
  8. No explicit security policy or incident response info found
  9. WHOIS data missing, which is unusual for this business type
Technical notes

Notes

The website is built on a modern technology stack including Bootstrap 5 and jQuery 3.6.1, ensuring responsive design and cross-browser compatibility. Hosting appears to leverage Akamai CDN and performance monitoring tools like Boomerang for optimized loading times. The site includes advanced features such as dynamic search suggestions, multi-language support, and rich media content. SEO best practices are followed with proper meta tags, canonical links, and structured data (JSON-LD) describing the organization. Accessibility considerations are evident but could be further enhanced with ARIA roles and landmarks. No CMS was detected, suggesting a custom or proprietary platform. Overall, the technical infrastructure supports a fast, secure, and user-friendly experience suitable for a global financial services provider.
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

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