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Security report for metva.cz

METVA.CZ · Other · Czech Republic

Low risk. 3 critical or high findings in Security headers and SSL/TLS.

Security score

76/100

Risk levelLow

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

METVA.CZ is a specialized weather alert service focused on providing up-to-date meteorological warnings for the Czech Republic. The website offers detailed weather warnings including rain, snow, wind, thunderstorms, and freezing rain, updated every five minutes. It targets the general public and possibly emergency services or businesses requiring timely weather information. The service includes interactive maps and options for SMS and email alerts, positioning itself as a regional leader in weather warnings. The domain is mature, registered since 2010, and uses reputable infrastructure and third-party services for analytics and advertising.

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

3 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 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. 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

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

Keep watching metva.cz

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.

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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
82
Security headers
30
Email security
70
DNS health
75
Network security
100
GDPR outside view
100
Average
76

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

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 metva.cz, from OffSeq Breach.

Total records
18
Employees
0
Customers
18
Third parties
0
Weak passwords
83%

2 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 metva.cz.

Select it in the checkout above.

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 business operates in the meteorological information sector, providing critical weather warnings to the Czech population. It leverages partnerships with similar services in neighboring countries, indicating a collaborative network. The business model likely includes subscription-based alerts and advertising revenue. The website content is professional and consistent, with clear navigation and GDPR-compliant consent mechanisms. The absence of direct contact emails or phone numbers suggests a focus on digital self-service and automated alerting. The company appears small but established, with a niche market position in weather alerting.

Security posture

The website enforces HTTPS and uses reputable domain registration services, indicating a baseline of security best practices. Cookie consent and GDPR compliance are well implemented. However, explicit security headers like Content-Security-Policy and X-Frame-Options are not evident, and no published security or incident response policies are found. No vulnerabilities or exposed sensitive data were detected in the HTML content. The security posture is good but could be improved by publishing formal security policies and adding additional HTTP security headers.

Recommendations

  1. Implement and publish a formal security policy and incident response contact information to enhance transparency and trust.
  2. Add HTTP security headers such as Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options to improve protection against common web attacks.
  3. Consider publishing a vulnerability disclosure policy or security.txt file to encourage responsible reporting of security issues.
  4. Enhance accessibility features to improve usability for all users, including those with disabilities.
  5. Expand contact information to include verified company emails and phone numbers to improve business credibility and user trust.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
METVA.CZ
Description
Aktuellste Unwettersituation für Česká republika. ✔ Regen, ✔ Schneefall, ✔ Wind, ✔ Gewitter ✔ gefrierender Regen. Rechtzeitige und punktgenaue Unwetterwarnungen jetzt per SMS und E-Mail.
Key services
weather warnings, SMS and email alerts, interactive weather maps
Content quality
good
Branding
consistent

Technology

Stack
OpenLayers (ol.Map), Handlebars.js, Google Analytics, ConsentManager.net, Smart Ad Server, Neustar, JavaScript, HTML5, CSS3
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
80/100
Good practices seen
  • HTTPS enforced
  • Cookie consent with GDPR compliance
  • No exposed sensitive data in HTML
  • Use of reputable domain registrar

Analytics and tracking

Services
Google Analytics (Universal Analytics and GA4)
Tracking level
moderate
Privacy practices
good

Advertising

Ad networks
Smart Ad Server
Tracking pixels
ConsentManager.net
Marketing tools
ConsentManager.net, Neustar
Transparency
good

Site quality

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

Key observations

  1. Website is a weather alert and warning service focused on the Czech Republic.
  2. Content is primarily in Czech with some German language metadata.
  3. Comprehensive cookie consent mechanism is implemented with GDPR compliance.
  4. No direct company contact emails or phone numbers found in the HTML; contact form is available.
  5. No explicit security or incident response policies published.
  6. Use of multiple reputable third-party services for analytics, advertising, and consent management.
  7. No adult or questionable content detected.
  8. Website uses modern JavaScript frameworks and mapping libraries for interactive weather maps.
  9. No CMS detected; likely a custom-built platform.
  10. No signs of WAF or content blocking.
Technical notes

Notes

The website uses a modern JavaScript stack including OpenLayers for mapping and Handlebars.js for templating. It integrates Google Analytics (both Universal and GA4), ConsentManager.net for cookie consent, and Smart Ad Server for advertising. The site is mobile-optimized with responsive design and good SEO practices. Hosting and domain registration are managed by reputable providers. Performance is moderate, with potential for optimization. No CMS was detected, suggesting a custom-built platform. Technical risks are low but could be mitigated by improving security headers and accessibility 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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