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Security report for plus4u.net

Technology · N/a

Low risk. 5 critical or high findings in GDPR outside view and SSL/TLS.

Security score

77/100

Risk levelLow

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

Plus4U is a technology-oriented website offering users the ability to compose their own online services from various applications, creating a personalized digital world. The site targets a general audience interested in digital service customization. The technical infrastructure leverages modern JavaScript frameworks such as React and UU5, with integration of Google Tag Manager for analytics and advertising. The site is multilingual, supporting Czech, English, German, Ukrainian, and Swedish languages, indicating an intent to serve a diverse user base. However, the website's WHOIS data is unavailable, which raises concerns about domain registration legitimacy. Security posture is moderate with HTTPS usage implied but lacks explicit security headers and privacy compliance documentation. No contact or incident response information is provided, limiting transparency and trust. Overall, the site demonstrates basic digital maturity but requires improvements in privacy, security, and business credibility to enhance trustworthiness and compliance.

Scanned

This is an earlier scan of plus4u.net. View the latest report

NIS2 and GDPR posture

GDPR outside view
35/ 100 · High
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

5 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.

    • 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

      No Cookie Policy found

      GDPR requires clear information about cookie usage

      What to do: Add a dedicated cookie policy explaining cookie usage and purposes

    • High

      No Cookie Consent Banner found

      GDPR requires explicit consent for non-essential cookies

      What to do: Implement a cookie consent banner that appears on first visit

    • High

      Third-party services without privacy policy

      Detected services: Google Analytics

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

  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

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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
77
Security headers
95
Email security
85
DNS health
70
Network security
100
GDPR outside view
35
Average
77

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 business model appears focused on providing a platform for users to assemble online services tailored to their needs, likely monetized through digital service offerings or partnerships. The market positioning is unclear due to limited business information and lack of explicit company details. The absence of contact information and privacy policies suggests a low level of transparency. The use of Google advertising and analytics indicates a commercial intent. The multilingual support suggests targeting multiple European markets. No certifications or trust indicators are present, which may affect competitive advantage. The partnership ecosystem is not evident from the data. Growth indicators and revenue streams cannot be determined from the available information.

Security posture

The website employs HTTPS and integrates Google Tag Manager, which is standard for modern sites. However, no security headers were detected in the provided data, and there is no evidence of security policies, incident response contacts, or vulnerability disclosure mechanisms. The lack of privacy and cookie policies indicates non-compliance with GDPR and other data protection regulations. No forms or user input fields were found, reducing attack surface but also limiting user engagement. The WHOIS data absence is a significant concern for domain legitimacy and trust. Overall, the security maturity is basic with room for improvement in compliance, transparency, and technical security controls.

Recommendations

  1. Implement and publish comprehensive privacy and cookie policies with explicit GDPR compliance statements.
  2. Add security headers such as Content-Security-Policy, X-Frame-Options, and Strict-Transport-Security to enhance protection.
  3. Provide clear contact information including support and incident response channels to improve transparency and trust.
  4. Verify and update WHOIS domain registration data to ensure legitimacy and reduce suspicion.
  5. Conduct regular security assessments and vulnerability scans to identify and remediate potential risks.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Description
Poskládejte si své online služby z aplikací, které vám vyhovují, a vytvořte si svůj digitální svět.
Key services
Online services composition, Digital world creation
Content quality
basic
Branding
consistent

Technology

Stack
React 18.3.1, Google Tag Manager, UU5 framework, UU Webkit, JavaScript, CSS
Frameworks
UU5, UU Webkit
Performance
moderate
Mobile
good
Accessibility
basic
SEO
basic

Security

Observed score
60/100
Good practices seen
  • Use of HTTPS (implied by external scripts loaded over HTTPS)
  • Google Tag Manager integration

Analytics and tracking

Services
Google Analytics (via Google Tag Manager)
Tracking level
moderate
Privacy practices
poor

Advertising

Ad networks
Google Ads (AW-574076508)
Transparency
basic

Site quality

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

Key observations

  1. Website is accessible with no blocking or WAF detected.
  2. WHOIS data is unavailable, indicating possible domain registration issues or privacy protection.
  3. No explicit privacy, cookie, or terms of service policies found in the HTML content.
  4. No contact emails, phone numbers, or physical addresses found in the content.
  5. Website uses modern JavaScript frameworks and Google Tag Manager for analytics and advertising.
  6. No security headers detected in provided data; SSL status unknown but external scripts loaded over HTTPS.
  7. Content is in Czech language with multilingual support indicated by hreflang tags.
  8. No forms detected in the provided HTML snapshot.
  9. No social media links explicitly found in the HTML content.
  10. No explicit security or incident response information present.
Technical notes

Notes

The website uses a modern JavaScript stack including React 18.3.1 and the UU5 framework, indicating a contemporary front-end architecture. Google Tag Manager is used for analytics and advertising, showing integration with major marketing tools. The site is hosted on plus4u.net CDN infrastructure, which likely provides reasonable performance and availability. Mobile optimization is good with responsive design adjustments evident in CSS. Accessibility features are basic but could be improved. SEO optimization is minimal with basic meta tags and Open Graph data present. No CMS is explicitly detected. The site does not expose forms or user input fields in the provided snapshot, limiting data collection points. Overall, the technical implementation is solid but could benefit from enhanced accessibility, SEO, and security configurations.
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. 76/100Low27 findingsView report
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