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Security report for letemky.cz

Nejlevnější akční letenky · Transportation · Czech Republic

High risk. 11 critical or high findings in GDPR outside view, Email security and 2 other checks.

Security score

43/100

Risk levelHigh

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

The website letemky.cz operates as an online travel deals platform specializing in offering discounted flight tickets, weekend stays, and vacation packages primarily targeting budget-conscious travelers in the Czech Republic. The business model is affiliate marketing, leveraging partnerships with over 800 airlines and travel providers, as evidenced by the Pelikan affiliate flights integration. The site presents a professional and consistent brand image with good SEO and structured data implementation, enhancing its visibility and user engagement. Technically, the site is built on WordPress with modern frameworks like Bootstrap and uses common web technologies such as jQuery and Font Awesome. However, the Google Analytics plugin is present but not configured, indicating incomplete analytics setup. Security posture is moderate; HTTPS is enforced, but no security headers are detected, and no explicit privacy or cookie policies are present, which are compliance gaps. No contact information or incident response channels are provided, limiting transparency and trust. Overall, the site is functional and well-positioned in its niche but would benefit from enhanced security and compliance measures.

Scanned

NIS2 and GDPR posture

GDPR outside view
10/ 100 · Critical
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

11 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.

    • Critical

      EU business without adequate privacy measures

      EU businesses are subject to strict GDPR requirements

      What to do: Implement comprehensive GDPR compliance including privacy policy, cookie consent, and data protection measures

  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.

    • Critical

      No email authentication configured

      Domain is vulnerable to email spoofing

      What to do: Implement SPF, DKIM, and DMARC immediately

  3. Network security

    Services reachable from the internet are the first thing attackers probe. Anything open that does not need to be should be closed.

    • Critical

      Critical Service Exposed: MySQL

      Port 3306 (MySQL) is publicly accessible - MySQL - Database server

      What to do: Immediately restrict access to MySQL using firewall or VPN

      • NIS2 21(2)(e)
      • IR 2024/2690 6.7.2(f): Implementing Regulation (EU) 2024/2690, Annex point 6.7.2(f): Network security
      • NIST CM-7: NIST SP 800-53 Rev. 5 CM-7: Least Functionality
      • NIST SC-7: NIST SP 800-53 Rev. 5 SC-7: Boundary Protection

  4. 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"

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

Keep watching letemky.cz

This scan found 25 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

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

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Full report

€39.90one-time

  • The complete analysis as a PDF you can cite
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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
95
Security headers
15
Email security
60
DNS health
75
Network security
0
GDPR outside view
10
Average
43

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 · found on this site
  • 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

Le temky.cz holds a niche position in the Czech travel market, focusing on affordable flight deals and travel packages. Its competitive advantage lies in aggregating offers from a large number of airlines and travel companies, supported by affiliate partnerships. The business targets leisure travelers seeking last-minute deals and weekend getaways. The presence of multiple related domains suggests a broader network strategy to capture diverse market segments. Revenue streams likely include affiliate commissions from bookings. Growth potential depends on improving user trust through transparency and compliance, as well as enhancing analytics to better understand customer behavior. The partnership ecosystem includes Pelikan and other related travel deal sites, reinforcing its market presence.

Security posture

The current security maturity level is basic. The website uses HTTPS, which is mandatory for secure communications. However, the absence of security headers such as Content-Security-Policy, X-Frame-Options, and Strict-Transport-Security exposes the site to potential risks like clickjacking and content injection. No privacy or security policies are published, and no incident response contacts are available, indicating gaps in compliance with GDPR and best practices. The Google Analytics plugin is installed but not configured, which may lead to incomplete data collection or privacy concerns. There is no evidence of vulnerabilities or exposed sensitive data in the HTML content. To improve security posture, the site should implement recommended headers, publish clear policies, and establish incident response mechanisms.

Recommendations

  1. Implement comprehensive privacy and cookie policies with clear GDPR compliance statements.
  2. Configure and enable security headers including Content-Security-Policy, X-Frame-Options, and Strict-Transport-Security.
  3. Properly configure Google Analytics or remove unused tracking plugins to ensure accurate data collection and privacy compliance.
  4. Add visible contact information including security incident response channels and data protection officer contacts if applicable.
  5. Conduct regular security audits and vulnerability assessments to maintain a robust security posture.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Nejlevnější akční letenky
Description
Rezervujte si nejlevnější akční letenky do celého světa. Můžete si vybrat z nejlevnějších letenek od více než 800 společností. Nabízí také víkendové pobyty, akční pobyty a dovolené v různých destinacích.
Key services
Akční letenky (discounted flights), Víkendové pobyty (weekend stays), Dovolené (vacations), Travel tips and destination guides
Content quality
good
Branding
consistent

Technology

Stack
WordPress 6.8.2, PHP, Bootstrap CSS, jQuery 3.7.1, Font Awesome 5, Google Fonts (Roboto, Roboto Slab), Pelikan affiliate flights widget
Frameworks
WordPress, Bootstrap
Platforms
Web
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
55/100
Good practices seen
  • HTTPS enforced (implied by canonical and resource URLs)
  • No exposed sensitive data in HTML
  • No visible vulnerable libraries

Analytics and tracking

Tracking level
minimal
Privacy practices
poor

Advertising

Transparency
basic

Site quality

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

Key observations

  1. Website is a WordPress-based travel deals and flight aggregator focused on Czech market.
  2. No explicit privacy, cookie, or terms of service pages found.
  3. No contact emails or phone numbers explicitly provided on the homepage or footer.
  4. Affiliate marketing is a key business model with Pelikan affiliate flights integration.
  5. No visible security policies or incident response contacts.
  6. Google Analytics plugin present but not configured, indicating incomplete analytics setup.
  7. No security headers detected, which is a security improvement opportunity.
  8. Content is well structured with good SEO metadata and structured data.
  9. Multiple related domains linked in footer, indicating a network of related travel deal sites.
Technical notes

Notes

The website is built on a modern WordPress platform using version 6.8.2, combined with Bootstrap for responsive design and jQuery for client-side scripting. The use of Google Fonts and Font Awesome enhances visual appeal. The site loads external resources from trusted CDNs and integrates an affiliate flights widget from Pelikan. Performance is moderate with good mobile optimization and basic accessibility features. SEO is well addressed through meta tags, Open Graph, Twitter Cards, and JSON-LD structured data. However, the Google Analytics plugin is present but not configured, which is a technical debt. No advanced caching or performance optimization techniques are explicitly detected. The absence of security headers and incomplete analytics setup represent technical risks that could impact user trust and compliance.
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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