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Security report for deliveroo.engineering

Deliveroo · Technology · N/a

Medium risk. 6 critical or high findings in Security headers, GDPR outside view and 1 other check.

Security score

68/100

Risk levelMedium

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

Deliveroo.engineering is the official technology blog of Deliveroo, a large and well-known food delivery company. The site serves as a platform for Deliveroo's engineering teams to share insights, technical stories, and innovations, targeting technology professionals and enthusiasts. The content is professionally presented with consistent branding and regular updates, reflecting a mature digital presence. Technically, the site is built using Jekyll, a static site generator, and leverages modern web technologies including asynchronous script loading and cookie consent mechanisms. While the site uses HTTPS and includes a cookie consent banner, it lacks visible security headers and explicit privacy or terms of service pages, which are areas for improvement. The WHOIS data is privacy protected, which is typical for corporate domains, and no suspicious patterns were detected. Overall, the site demonstrates a good security posture and business credibility, though enhancements in privacy compliance and security headers would strengthen its position.

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

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 Strict-Transport-Security header

      Forces HTTPS connections

      What to do: Add "Strict-Transport-Security: max-age=31536000; includeSubDomains; preload"

      • CWE-319
      • OWASP A04:2025
      • ASVS V3.4.1
    • 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

      Third-party services without privacy policy

      Detected services: Twitter, Cloudflare

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

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

Keep watching deliveroo.engineering

This scan found 20 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
75
Security headers
15
Email security
70
DNS health
85
Network security
100
GDPR outside view
65
Average
68

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

Deliveroo.engineering positions itself as a key communication channel for Deliveroo's engineering culture and technology initiatives. It supports employer branding and community engagement by showcasing technical challenges and achievements. The blog targets engineers, developers, and tech enthusiasts, reinforcing Deliveroo's market position as a technology-driven company in the food delivery sector. The presence of multiple authors and detailed articles indicates a collaborative and transparent culture. The site links to related Deliveroo domains, indicating a cohesive digital ecosystem. No direct revenue streams or commercial transactions occur on this site, emphasizing its role as a content and branding platform.

Security posture

The website employs HTTPS and a cookie consent mechanism, indicating baseline security and privacy awareness. However, the absence of security headers such as Content Security Policy (CSP), HTTP Strict Transport Security (HSTS), and X-Frame-Options reduces its defense-in-depth posture. No contact information for security incidents or vulnerability disclosure is provided, which could hinder incident response. The site does not expose sensitive data or use vulnerable libraries based on the provided scripts. Overall, the security maturity is moderate, suitable for a content site but with room for improvement to meet higher compliance standards such as GDPR and NIS2.

Recommendations

  1. Implement and publish a comprehensive privacy policy and terms of service on the domain.
  2. Add security headers including CSP, HSTS, and X-Frame-Options to enhance protection.
  3. Provide clear contact information for security incidents and vulnerability disclosures.
  4. Regularly audit and update third-party scripts to avoid vulnerabilities.
  5. Enhance accessibility features and mobile optimization for broader user inclusivity.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Deliveroo
Description
Deliveroo Tech blog
Key services
Technology insights, Engineering stories, Employer branding
Content quality
good
Branding
consistent

Technology

Stack
Jekyll, jQuery 3.1.1 slim, CookieConsent v3.0.3, JSON-LD structured data
Frameworks
Jekyll
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
70/100
Good practices seen
  • Use of HTTPS (implied by canonical URLs)
  • Cookie consent banner implemented

Analytics and tracking

Tracking level
minimal
Privacy practices
basic

Advertising

Transparency
poor

Site quality

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

Key observations

  1. Website is a professional tech blog for Deliveroo engineering teams.
  2. Content is well structured with multiple recent articles and author attribution.
  3. No direct contact emails or phone numbers found on the site.
  4. Cookie consent is implemented with a clear banner and link to cookie policy.
  5. No privacy policy or terms of service pages detected on this domain.
  6. No security.txt or vulnerability disclosure information found.
  7. External scripts are loaded asynchronously from trusted CDNs.
  8. No security headers detected in provided data; SSL status unknown but HTTPS URLs used.
  9. No advertising or tracking scripts detected beyond cookie consent.
  10. Social media presence confirmed via embedded Twitter follow button (@DeliverooEng).
Technical notes

Notes

The site is built on Jekyll, a static site generator, ensuring fast and reliable performance with minimal server-side complexity. It uses modern JavaScript libraries like jQuery slim and cookie consent scripts loaded asynchronously to optimize page load times. The presence of structured data (JSON-LD) improves SEO and content discoverability. The site is mobile optimized with responsive design elements and includes social media integration via Twitter widgets. However, no CMS or hosting provider details are explicitly identified. Performance is moderate, with potential for improvement by optimizing external script loading and implementing caching strategies. The technical stack is appropriate for a corporate tech blog but could benefit from enhanced security and privacy features.
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. 66/100Medium28 findingsView report
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