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Security report for f5.com

F5, Inc. · Technology · United States

Low risk. 2 critical or high findings in GDPR outside view and SSL/TLS.

Security score

83/100

Risk levelLow

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

F5, Inc. is a well-established enterprise technology company specializing in application delivery, multicloud security, and AI-driven cybersecurity solutions. Founded in 1996 and headquartered in Seattle, USA, F5 serves a global enterprise audience including IT professionals, security teams, and cloud architects. The company offers a broad portfolio of services such as API security, bot management, DDoS protection, and unified management platforms, positioning itself as a leader in the application delivery and security market. The website demonstrates a mature technical infrastructure leveraging modern technologies including Adobe Experience Manager CMS, Tealium tag management, Coveo search, and advanced font loading techniques. The site is optimized for performance, mobile responsiveness, accessibility, and SEO, reflecting a high level of digital maturity. Comprehensive privacy and cookie policies with consent mechanisms indicate strong compliance with GDPR and related regulations. Security posture is robust with HTTPS enforced, multiple security headers present, and no visible vulnerabilities or exposed sensitive data. The company maintains recognized certifications such as ISO 27001, SOC 2, and FedRAMP, and provides clear incident response contacts. Despite the absence of WHOIS data due to privacy or registry restrictions, the website's content, branding, and security practices strongly support its legitimacy. Overall, F5's website and digital presence reflect a secure, professional, and trustworthy enterprise entity with strong compliance and security governance, suitable for its target market and business model.

Scanned

This is an earlier scan of f5.com. View the latest report

NIS2 and GDPR posture

GDPR outside view
73/ 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

2 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

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

Keep watching f5.com

This scan found 15 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
77
Security headers
70
Email security
85
DNS health
90
Network security
100
GDPR outside view
73
Average
83

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

F5 holds a strong market position as a leading provider of application delivery and security solutions, targeting large enterprises and service providers. Its business model focuses on software and services that enhance application performance and security across multicloud environments. Revenue streams likely include product sales, subscriptions, professional services, and training. The company maintains a broad partner ecosystem and invests in AI-driven security innovations. Growth indicators include comprehensive product offerings and active community engagement. Strategic partnerships and certifications reinforce its competitive advantage and operational maturity.

Security posture

F5 exhibits a high security maturity level with enforced HTTPS, comprehensive security headers, and no detected vulnerabilities in the website content. The presence of industry-standard certifications and a dedicated trust center indicates strong governance. Incident response readiness is supported by published contacts and vulnerability disclosure policies. Data protection practices align with GDPR requirements, supported by a clear privacy policy and consent management. The security culture is evident in transparent communication and adherence to best practices, minimizing business risks related to cybersecurity.

Recommendations

  1. Conduct regular third-party script audits to mitigate supply chain risks.
  2. Enhance public visibility of incident response procedures and timelines.
  3. Maintain continuous monitoring and updating of security certifications.
  4. Expand GDPR compliance disclosures including data retention policies.
  5. Invest in advanced bot detection and mitigation technologies.

Contact details published on the site

Addresses
Legal name
F5, Inc.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
F5, Inc.
Description
F5 application services ensure that applications are always secure and perform the way they should—in any environment and on any device.
Key services
Application Delivery, Multicloud Security, AI Cybersecurity, API Security, Bot Management, DDoS Protection, Load Balancing, Unified Management and Automation
Content quality
excellent
Branding
consistent

Technology

Stack
JavaScript, Adobe Helix RUM, Tealium, YouTube iframe API, FontFaceObserver, Coveo Search
Frameworks
Adobe Helix, Tealium Tag Management
Platforms
YouTube, Coveo Search
Performance
fast
Mobile
excellent
Accessibility
good
SEO
good

Security

Observed score
90/100
Good practices seen
  • HTTPS enforced
  • Security headers present
  • No exposed sensitive data in HTML
  • Secure forms with proper labeling
  • Use of reputable third-party scripts

Analytics and tracking

Services
Tealium, Adobe Helix RUM
Tracking level
moderate
Privacy practices
good

Advertising

Tracking pixels
Tealium, TrustArc, Coveo
Marketing tools
Tealium Tag Management, TrustArc Consent Management
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 enterprise branding and consistent design
  3. Comprehensive privacy, cookie, and security policies present
  4. Use of advanced analytics and consent management tools
  5. No signs of phishing, malware, or suspicious domains
  6. WHOIS data unavailable, likely due to privacy or registry policies
Technical notes

Notes

The website infrastructure is built on a modern CMS (Adobe Experience Manager) with integration of advanced JavaScript libraries and tag management systems (Tealium). Performance is optimized with font preloading and asynchronous script loading. The technical stack supports fast load times, mobile responsiveness, and accessibility standards. There is minimal technical debt visible, and the architecture supports scalability and security. Opportunities exist to further modernize analytics and enhance real-time security monitoring capabilities to reduce technical risks.
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. 86/100Low20 findingsView report
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