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Security report for lastminute.be

lastminute.com · Hospitality · Belgium

Medium risk. 4 critical or high findings in Security headers, Email security and 1 other check.

Security score

74/100

Risk levelMedium

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

lastminute.com is a well-established online travel agency specializing in last-minute travel deals including flights, hotels, and vacation packages, primarily targeting Dutch-speaking travelers in Belgium. The website offers a professional and user-friendly interface with comprehensive search forms and rich content to facilitate travel bookings. The technical infrastructure leverages modern JavaScript frameworks, third-party analytics, and marketing tools, ensuring good performance and mobile optimization. Security posture is solid with HTTPS enforced and cookie consent mechanisms in place, although explicit security policies and incident response information are not publicly disclosed. Overall, the website presents a trustworthy and professional digital presence with strong privacy compliance and marketing transparency.

Scanned

NIS2 and GDPR posture

GDPR outside view
100/ 100 · Low
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 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 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. Email security

    SPF, DKIM and DMARC stop others sending email that looks like it comes from your domain, a common route to phishing and invoice fraud.

    • High

      No SPF record found

      SPF helps prevent email spoofing

      What to do: Add SPF record: "v=spf1 include:_spf.yourmailprovider.com ~all"

  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 SSL Key Length

      SSL certificate uses 256-bit key, which is considered weak

      What to do: Use at least 2048-bit RSA or 256-bit ECC key

      • CWE-326
      • OWASP A04:2025
      • Mozilla TLS: Mozilla Server Side TLS 6.0 intermediate: rsa_key_size 2048

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

Keep watching lastminute.be

This scan found 18 issues across 5 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

Email alerts on material changes and an exportable JSON history of every change.

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Full report

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Prices incl. 21% VAT. Secure checkout by Mollie; sold by SEQ SIA, Latvia.

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
55
Email security
35
DNS health
80
Network security
100
GDPR outside view
100
Average
74

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

The company operates in the hospitality and transportation sectors, focusing on last-minute travel deals which is a competitive niche in the European market. Its business model revolves around online bookings and travel package sales, supported by extensive marketing and analytics tools to optimize customer acquisition and retention. The website's content and branding are consistent and targeted, with a clear focus on Belgian customers. While direct contact information is not prominently displayed, the presence of privacy and cookie policies indicates regulatory compliance. The company likely benefits from partnerships with airlines, hotels, and travel service providers, although no explicit partner domains were identified in the content.

Security posture

The website demonstrates a mature security posture with HTTPS encryption and cookie consent mechanisms. However, the absence of visible security headers and public security or incident response policies suggests room for improvement. No vulnerabilities or exposed sensitive data were detected in the HTML content. The use of multiple third-party scripts necessitates ongoing security audits to mitigate risks. The lack of a vulnerability disclosure program or security.txt file limits transparency for security researchers. Overall, the site is secure for users but could enhance trust by publishing more detailed security and incident response information.

Recommendations

  1. Implement and publish a comprehensive security policy and incident response plan accessible to users.
  2. Add and enforce security headers such as Content-Security-Policy, X-Frame-Options, and X-XSS-Protection.
  3. Establish a vulnerability disclosure program and publish a security.txt file to encourage responsible reporting.
  4. Regularly audit third-party scripts and dependencies to prevent supply chain vulnerabilities.
  5. Enhance contact information visibility to improve customer trust and support accessibility.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
lastminute.com
Description
Ontdek de beste last-minute deals voor reizen, hotels en meer. Met onze vriendelijke service helpen we jou om je ideale vakantie te vinden zonder gedoe.
Key services
Flight bookings, Hotel reservations, Vacation packages, Last-minute deals
Content quality
good
Branding
consistent

Technology

Stack
JavaScript, React (likely), Google Tag Manager, AppsFlyer, Iubenda Cookie Solution
Performance
moderate
Mobile
good
Accessibility
good
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Cookie consent mechanism
  • No exposed sensitive data in HTML

Analytics and tracking

Services
Google Analytics, AppsFlyer, Tealium
Tracking level
extensive
Privacy practices
good

Advertising

Ad networks
Google Ads
Tracking pixels
AppsFlyer, Tealium (utag)
Marketing tools
Iubenda Cookie Solution
Transparency
good

Site quality

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

Key observations

  1. Website is fully accessible with rich content and interactive search forms.
  2. No WHOIS data leakage due to registry privacy policies.
  3. Strong privacy and cookie consent mechanisms implemented.
  4. Use of multiple third-party analytics and marketing tools.
  5. No direct contact emails or phone numbers found in the HTML content.
  6. No explicit security or incident response policies publicly visible.
  7. No vulnerability disclosure or security.txt found.
  8. Content is professionally presented and targeted at Dutch-speaking Belgian travelers.
Technical notes

Notes

The website uses a modern tech stack including JavaScript frameworks (likely React), HubPink CMS, and integrates multiple analytics and marketing tools such as Google Tag Manager, AppsFlyer, and Iubenda for cookie management. The site is mobile-optimized and accessible with good SEO practices. Performance is moderate, with preloading of images and fonts to improve load times. The hosting provider is not explicitly identified. The site architecture supports a rich user experience with interactive search forms and dynamic content loading. Technical debt appears low, but continuous monitoring of third-party integrations is recommended to maintain security and performance.
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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