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Security report for o2.co.uk

Virgin Media O2 · Telecommunications · United Kingdom

Low risk. 3 critical or high findings in GDPR outside view and SSL/TLS.

Security score

77/100

Risk levelLow

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

Virgin Media O2 operates as a leading telecommunications provider in the United Kingdom, combining the largest and most reliable mobile network with a broadband network offering some of the fastest widely-available speeds. The website serves as a corporate news portal, providing updates, press releases, and information about the company's leadership, innovation, and responsible business initiatives. The brand is well-established with consistent and professional digital presence, targeting UK consumers and businesses seeking connectivity solutions. From a technical perspective, the website is built on WordPress with a modern tech stack including Google Tag Manager, YouTube APIs, and various JavaScript libraries for enhanced user experience. The site is mobile-optimized and employs SEO best practices, although some accessibility features could be improved. Performance is moderate, with no significant loading issues detected. Security posture is solid with HTTPS enforced and a cookie consent mechanism implemented, reflecting good privacy compliance aligned with GDPR. However, the absence of explicit security headers and publicly available security policies or incident response information suggests room for enhancement. No vulnerabilities or exposed sensitive data were detected in the content. Overall, the website demonstrates a high level of professionalism and trustworthiness, with clear business information and contact details. The lack of WHOIS data for the subdomain is explained by domain naming rules and does not detract from the legitimacy of the site. Strategic recommendations include improving security headers, publishing security policies, and enhancing accessibility to further strengthen the site's security and compliance posture.

Scanned

NIS2 and GDPR posture

GDPR outside view
65/ 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

3 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 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

      Third-party services without privacy policy

      Detected services: Google Analytics, Twitter, LinkedIn, YouTube, Google APIs

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

  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

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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
74
Security headers
80
Email security
65
DNS health
75
Network security
100
GDPR outside view
65
Average
77

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

Virgin Media O2 holds a strong market position as a major UK telecommunications provider, leveraging the merger of Virgin Media and O2 to offer integrated mobile and broadband services. The company targets a broad customer base including consumers and enterprises, emphasizing network reliability and speed. The business model focuses on connectivity services with revenue streams from mobile subscriptions, broadband packages, and value-added services such as Volt benefits. The website reflects a mature digital presence with active engagement through social media and press communications. Partnerships with regulatory bodies and transparent corporate communications indicate a robust ecosystem. Growth indicators include frequent news updates and innovation hub content, signaling ongoing investment in technology and customer experience.

Security posture

The website exhibits a moderate to strong security posture with mandatory HTTPS and a comprehensive cookie consent mechanism that supports GDPR compliance. The absence of visible security headers such as Content-Security-Policy and X-Frame-Options is a notable gap that could expose the site to certain web-based attacks. No incident response or security policy pages were found, which limits transparency and preparedness perception. The site does not expose sensitive data or use vulnerable libraries based on the provided content. Overall, the security maturity is adequate for a corporate site but would benefit from enhanced header implementation, published security policies, and a vulnerability disclosure program to improve trust and resilience.

Recommendations

  1. Implement comprehensive security headers including Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options to mitigate common web vulnerabilities.
  2. Publish explicit security and incident response policies on the website to increase transparency and preparedness.
  3. Establish and publicize a vulnerability disclosure program, including a security.txt file, to encourage responsible reporting of security issues.
  4. Enhance website accessibility features to comply with WCAG standards and improve user experience for all visitors.
  5. Regularly audit and update third-party scripts and plugins to minimize risks from vulnerable components.

Contact details published on the site

Addresses
Legal name
VMED O2 UK Limited ( Virgin Media O2 )
Registration number
12580944
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Virgin Media O2
Description
Combining the UK’s largest and most reliable mobile network with a broadband network offering the nation’s fastest widely-available speeds.
Key services
Mobile network services, Broadband internet services, Business and consumer connectivity solutions
Content quality
good
Branding
consistent

Technology

Stack
Google Tag Manager, YouTube iframe API, jQuery 3.5.1, Modernizr 3.6.0, Slick Carousel, CountUp.js, MailOptin, WordPress
Frameworks
WordPress theme virgino2
Platforms
WordPress CMS
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
80/100
Good practices seen
  • HTTPS enforced
  • Cookie consent mechanism implemented
  • No exposed sensitive data in HTML

Analytics and tracking

Services
Google Tag Manager
Tracking level
moderate
Privacy practices
good

Advertising

Marketing tools
MailOptin
Transparency
good

Site quality

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

Key observations

  1. Website is a corporate news and information portal for Virgin Media O2.
  2. Content is professionally presented with clear branding and navigation.
  3. Cookie consent and privacy policies are implemented and accessible.
  4. WHOIS data for the subdomain is unavailable due to domain naming rules; no direct WHOIS info for subdomain.
  5. No security challenge or WAF blocking detected; site fully accessible.
  6. No explicit security headers detected in HTML source; potential area for improvement.
  7. Multiple external trusted domains linked including social media and regulatory bodies.
  8. No forms detected that collect personal data on the homepage; cookie consent is managed via JavaScript overlay.
  9. Contact information includes verified company emails and phone numbers for press/media.
  10. No adult or questionable content detected; content safety rating is safe.
Technical notes

Notes

The website is built on the WordPress CMS platform using a custom theme named virgino2. It leverages modern JavaScript libraries such as jQuery, Modernizr, Slick Carousel, and CountUp.js to provide interactive and dynamic content. Google Tag Manager and YouTube iframe APIs are integrated for analytics and media embedding respectively. The site uses a responsive design with Google Fonts for typography and includes SEO optimizations via the Yoast SEO plugin. Performance is moderate with asynchronous loading of scripts and prefetching strategies. However, the hosting provider is not explicitly identified. The technical stack is modern and well-maintained, though improvements in security headers and accessibility compliance are recommended to reduce technical debt and enhance robustness.
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. 75/100Medium22 findingsView report
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