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Security report for theguardian.com

Guardian News & Media Limited · Media · United Kingdom

Low risk. No critical or high findings.

Security score

96/100

Risk levelLow

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

The Guardian is a globally recognized media company specializing in news, opinion, and analysis with a strong digital presence. It operates under Guardian News & Media Limited, a UK-based enterprise with a long history dating back to 1821. The website serves a broad general audience with high-quality, professionally curated content and a consistent brand identity. The business model is primarily advertising and subscription-based, supported by a sophisticated digital infrastructure. Technically, the site employs modern web technologies including React, advanced header bidding for advertising, and comprehensive analytics and tracking tools. The site is well optimized for performance, mobile responsiveness, and accessibility. Security posture is strong, with HTTPS enforcement, security headers, and error monitoring via Sentry, though explicit security policies and incident response details are not publicly disclosed. Privacy compliance is robust, featuring clear privacy and cookie policies with consent mechanisms aligned with GDPR. Overall, the website is trustworthy, professional, and secure, with no signs of blocking or suspicious activity.

Scanned

NIS2 and GDPR posture

NIS2 outside view
95/ 100 · Low
GDPR outside view
92/ 100 · Low
Checks completed
9of 9

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

The NIS2 figure counts only evidence anyone can see from the internet. 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

No critical or high findings. These medium findings are worth fixing next.

  1. GDPR outside view

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

    • Medium

      No reject option on the cookie banner

      The banner's first layer offers "141 partners", ".", "privacy policy", "cookie policy", "Store and/or access information on a device" but no button to refuse or to accept only necessary cookies; the only alternative to accepting is a paid subscription ("pay or OK"), a model EU regulators assess case by case. The EDPB cookie banner taskforce, CNIL and the Latvian DVI expect refusing to be as easy as accepting.

      What to do: Add a "Reject all" (or "Only necessary") button next to "Accept all", with the same size and prominence.

Keep watching theguardian.com

This scan found 7 issues across 4 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
100
Security headers
88
Email security
98
DNS health
95
Network security
100
Website hygiene
100
GDPR outside view
92
Average
96

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.
  • Accessibility: Accessibility is a separate readout from security, so it is reported but not scored. 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

Breach exposure

Leaked credentials and lookalike domains from OffSeq Breach. The counts are free; the detailed lists are paid add-ons.

Dark web exposure

Add-on

Leaked records that mention theguardian.com, from OffSeq Breach.

Total records
15,806
Employees
0
Customers
15,750
Third parties
56
Weak passwords
15%

51 subdomains affected

See the 10 newest leaked credentials

A one-off add-on to this report that lists the most recent identifier and password pairs OffSeq Breach holds for theguardian.com.

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Breach keeps ingesting new leaks, so these numbers can grow between scans.

Technical appendix

Business context, site observations and technical notes gathered during the scan, and the standards behind each reference.

Business context

Business profile

The Guardian holds a leading position in the media industry, particularly in the UK and Europe, with a well-established brand and a large audience. Its competitive advantage lies in its editorial quality, digital innovation, and diversified revenue streams including advertising and memberships. The company targets a general audience interested in liberal and progressive news coverage. The partnership ecosystem includes various advertising networks and analytics providers, enhancing monetization and user insights. The business shows indicators of maturity and scale consistent with an enterprise-level media organization.

Security posture

The website demonstrates a mature security posture with enforced HTTPS, comprehensive security headers, and no visible vulnerabilities or exposed sensitive data. The use of Sentry for error tracking indicates proactive monitoring. However, the absence of a publicly available security policy, incident response plan, or vulnerability disclosure program suggests room for improvement in transparency and formal security governance. GDPR compliance is evident through privacy and cookie policies with consent mechanisms. No critical security issues were detected.

Recommendations

  1. Publish a dedicated security policy and incident response information to enhance transparency.
  2. Implement and publicize a vulnerability disclosure program or security.txt file to encourage responsible reporting.
  3. Provide clear contact details for a Data Protection Officer or security contact to improve compliance and trust.
  4. Regularly review and update third-party libraries and advertising scripts to mitigate potential vulnerabilities.
  5. Enhance user privacy controls and data retention disclosures to align with evolving regulatory requirements.

Contact details published on the site

Addresses
Legal name
Guardian News & Media Limited
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Guardian News & Media Limited
Description
Latest news, sport, business, comment, analysis and reviews from the Guardian, the world's leading liberal voice
Key services
News publishing, Opinion and analysis, Digital media content
Content quality
excellent
Branding
consistent

Technology

Stack
React, JavaScript, Polyfill.io, Google Tag Manager, Prebid.js, Sentry
Frameworks
DCR (Dotcom Rendering), Prebid header bidding
Platforms
Web
Performance
fast
Mobile
excellent
Accessibility
good
SEO
good

Security

Observed score
90/100
Good practices seen
  • HTTPS enforced
  • Use of security headers
  • No exposed sensitive data in HTML
  • Use of Sentry for error monitoring
  • Consent management for cookies

Analytics and tracking

Services
Ophan, Comscore, Google Analytics (implied), Braze
Tracking level
extensive
Privacy practices
good

Advertising

Ad networks
Google DoubleClick, AppNexus, Magnite, Criteo, Teads, Index Exchange, OpenX, PubMatic, TripleLift, The Trade Desk, TrustX (disabled), Kargo, Permutive, Comscore, A9
Tracking pixels
Ophan, Comscore, Braze
Marketing tools
Braze, Ipsos Mori
Transparency
good

Site quality

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

Key observations

  1. The website is a major international news publisher with a strong brand presence.
  2. Comprehensive privacy and cookie policies are present with consent mechanisms.
  3. The site uses advanced advertising and analytics technologies with good transparency.
  4. Security best practices are well implemented, including HTTPS and security headers.
  5. No signs of blocking or WAF challenges detected.
  6. No adult or questionable content detected; suitable for general audiences.
  7. WHOIS data confirms legitimacy and consistency with business claims.
Technical notes

Notes

The Guardian's website is built on a modern, scalable tech stack leveraging React and advanced client-side rendering techniques. It integrates multiple advertising and analytics technologies, including header bidding and tracking pixels, to optimize revenue and user insights. The site is hosted on a robust CDN infrastructure ensuring fast load times and global availability. Accessibility and SEO best practices are well implemented, contributing to excellent user experience and discoverability. Technical risks are minimal, though the complexity of third-party integrations requires ongoing management to prevent performance or security degradation.
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. 78/100 −14Low25 findingsView report
  2. 92/100 +2Low17 findingsView report
  3. 90/100 +6Low17 findingsView report
  4. 84/100Low21 findingsView report
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