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Security report for uschovna.cz

Úschovna · Technology · Czech Republic

Medium risk. 9 critical or high findings in GDPR outside view, Security headers and 1 other check.

Security score

59/100

Risk levelMedium

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

Úschovna.cz is a well-established Czech file transfer and storage service operating since 1998. It offers users the ability to send files up to 30 GB easily and securely, with optional premium services providing additional storage. The platform targets general internet users in the Czech Republic and surrounding regions, integrating local digital identity services like mojeID for authentication. The website is professionally designed with good navigation and content relevance, supporting multiple languages including Czech, English, and Slovak. Technically, it leverages modern web technologies and integrates multiple advertising and analytics services with a robust consent management platform to ensure GDPR compliance. Security posture is solid with HTTPS enforcement and no critical vulnerabilities detected, although explicit security policies and incident response information are not published. Overall, the site demonstrates a mature digital presence with strong business credibility and privacy compliance.

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

9 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

    • 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

  2. 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';…

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

Keep watching uschovna.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.

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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
62
Security headers
20
Email security
85
DNS health
75
Network security
100
GDPR outside view
10
Average
59

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 uschovna.cz, from OffSeq Breach.

Total records
2,569
Employees
0
Customers
2,529
Third parties
40
Weak passwords
17%

10 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 uschovna.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

Úschovna.cz holds a strong market position as a trusted file sharing service in the Czech Republic, supported by its long domain history and integration with mojeID. Its freemium business model allows free file transfers with paid upgrades for enhanced storage and features. The company leverages partnerships with advertising networks and analytics providers to monetize the platform while maintaining user consent and privacy standards. The absence of direct contact emails or phone numbers suggests a focus on digital self-service and automated support. The platform's ecosystem includes multiple third-party vendors for advertising and tracking, reflecting a mature digital marketing strategy. Strategic growth could focus on expanding premium offerings and enhancing mobile user experience.

Security posture

The website enforces HTTPS and employs a consent management platform to comply with GDPR cookie regulations. Security headers are present but could be enhanced with additional controls like Content-Security-Policy and X-Frame-Options. No exposed sensitive data or vulnerable libraries were detected in the HTML content. The use of nonce attributes in scripts indicates attention to script security. However, the lack of published security policies or incident response contacts limits transparency. The integration of multiple third-party advertising and tracking scripts increases the attack surface, necessitating regular security audits. Overall, the security posture is good but could benefit from formalized policies and enhanced header configurations.

Recommendations

  1. Publish a dedicated security policy and incident response page including contact channels.
  2. Implement and enforce additional security headers such as Content-Security-Policy and X-Frame-Options.
  3. Conduct regular security audits of third-party scripts and dependencies to mitigate vulnerabilities.
  4. Enhance mobile optimization and accessibility to improve user experience across devices.
  5. Consider providing direct contact information such as support emails or phone numbers to increase trust.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Úschovna
Description
Posílejte soubory do 30 GB snadno, bezpečně a neomezenou rychlostí. Zdarma a bez registrace.
Key services
File sending up to 30 GB, File storage, User account management via mojeID, Premium service (Úschovna Plus) with 50 GB storage
Content quality
good
Branding
consistent

Technology

Stack
Google Fonts, Google Analytics, Google Tag Manager, Google Ads, Gemius analytics, Cloudflare DNS, DoubleClick, PubMatic, Facebook Pixel, Funding Choices (Google CMP)
Performance
moderate
Mobile
basic
Accessibility
basic
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • No exposed credentials in HTML
  • Consent management for cookies and tracking
  • Use of nonce attributes in scripts

Analytics and tracking

Services
Google Analytics, Gemius
Tracking level
extensive
Privacy practices
good

Advertising

Ad networks
Google Ads, DoubleClick, PubMatic, Roq.ad GmbH, AdMaxim Limited, Index Exchange Inc., Quantcast, BeeswaxIO Corporation, Sovrn, Inc., RTB House S.A., The UK Trade Desk Ltd
Tracking pixels
Facebook Pixel, Gemius
Marketing tools
Funding Choices CMP
Transparency
good

Site quality

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

Key observations

  1. Website offers file transfer and storage services primarily in Czech language with English and Slovak options.
  2. Comprehensive consent management platform implemented for GDPR compliance.
  3. Multiple advertising and tracking vendors integrated with user consent.
  4. No direct contact emails or phone numbers found; contact primarily via forms.
  5. No explicit security or incident response policies published.
  6. Use of mojeID for user authentication indicates integration with Czech digital identity services.
  7. Website uses modern fonts and scripts but lacks explicit CMS identification.
  8. No signs of malware, phishing, or suspicious content.
  9. Privacy and cookie policies are accessible and detailed.
Technical notes

Notes

The website uses a modern technology stack including Google Fonts, Google Analytics, Google Tag Manager, and multiple advertising networks. Hosting appears to be supported by Cloudflare DNS services, enhancing availability and security. The site loads multiple third-party scripts asynchronously to optimize performance, though the overall loading speed is moderate. SEO is supported by proper meta tags and Open Graph data. Accessibility features are basic but present. The site lacks a detectable CMS, suggesting a custom or proprietary platform. Technical debt appears low, but improvements in mobile responsiveness and security header implementation are recommended to modernize the infrastructure further.
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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