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Security report for radonova.com

Radonova · Energy · United States

Medium risk. 3 critical or high findings in Security headers, GDPR outside view and 1 other check.

Security score

73/100

Risk levelMedium

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

Radonova is a specialized company providing accurate radon test kits for both residential and commercial use, focusing on safety and environmental health. Their market position is that of a trusted provider in the energy/environmental testing sector, targeting homeowners and businesses concerned with radon exposure. The website is built on modern technologies including Next.js and Material-UI, hosted likely on Vercel, and incorporates standard analytics and cookie consent tools. Security posture is good with HTTPS and no visible vulnerabilities, though some security headers and DNSSEC are missing. Privacy compliance is partial, with cookie consent present but no explicit privacy or terms policies found. Overall, the site is professional, trustworthy, and well-structured, but could improve transparency on privacy and security policies.

Scanned

NIS2 and GDPR posture

GDPR outside view
68/ 100 · Medium
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"

  2. GDPR outside view

    These are the privacy signals visitors and data protection authorities look for under GDPR.

    • 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

  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 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 radonova.com

This scan found 22 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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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
72
Security headers
45
Email security
75
DNS health
80
Network security
100
GDPR outside view
68
Average
73

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

Radonova operates in the niche market of radon detection, offering test kits for short and long-term radon measurement. Their business model is product sales with a focus on safety compliance and environmental health. The company has a medium size profile, founded in 2017, with a consistent brand presence and active social media channels. Trust indicators include customer reviews via Trustpilot and structured data markup. The company targets homeowners and businesses in the United States and possibly other countries. No parent or subsidiary companies were identified. The website supports growth through digital marketing and analytics integration.

Security posture

The website demonstrates a moderate to good security posture with HTTPS enabled and no exposed sensitive data. However, it lacks advanced security headers such as Content-Security-Policy and X-Frame-Options, and DNSSEC is not enabled on the domain. There is no published security policy or incident response information, which limits transparency and preparedness perception. No vulnerability disclosure or security.txt files were found. The site uses third-party scripts like Google Tag Manager and Usercentrics, which are standard but require careful management to avoid privacy risks. Overall, the security maturity is adequate but could be enhanced with additional policies and technical controls.

Recommendations

  1. Publish a comprehensive privacy policy and terms of service to improve compliance and user trust.
  2. Implement and publish a security policy and incident response plan to demonstrate security maturity.
  3. Enable DNSSEC on the domain to strengthen DNS security.
  4. Add security headers such as Content-Security-Policy, X-Frame-Options, and X-XSS-Protection.
  5. Consider publishing a vulnerability disclosure policy or security.txt file to facilitate responsible reporting.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Radonova
Description
Radonova offers accurate radon test kits for short-term and long-term testing, providing reliable solutions for homes and office buildings to ensure safety from radon exposure.
Key services
Radon test kits, Radon detection solutions
Content quality
good
Branding
consistent

Technology

Stack
React, Next.js, Material-UI, Google Tag Manager, Usercentrics (cookie consent), YouTube iframe API
Frameworks
Next.js, Material-UI
Platforms
Vercel (implied by /_vercel/insights/script.js)
Performance
fast
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
75/100
Good practices seen
  • HTTPS enabled
  • No exposed sensitive data in HTML
  • Use of Google Tag Manager for analytics

Analytics and tracking

Services
Google Tag Manager
Tracking level
moderate
Privacy practices
basic

Advertising

Tracking pixels
Usercentrics
Marketing tools
Usercentrics
Transparency
basic

Site quality

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

Key observations

  1. Website is professionally designed with clear branding and consistent style.
  2. Content is focused on radon test kits and safety solutions.
  3. No privacy policy or terms of service pages explicitly found in provided content.
  4. Cookie consent implemented via Usercentrics.
  5. Contact phone number clearly provided in header.
  6. No email addresses or physical addresses explicitly found in provided content.
  7. Social media presence is strong with links to Facebook, Twitter (X), LinkedIn, YouTube, Instagram.
  8. No security.txt or vulnerability disclosure policy detected.
  9. No explicit security policy or incident response information found.
  10. WHOIS data shows domain is active, not privacy protected, and registered with a reputable registrar.
Technical notes

Notes

The website is built using modern web technologies including React and Next.js with Material-UI for UI components, indicating a contemporary and maintainable codebase. Hosting appears to be on Vercel, which supports fast performance and scalability. The site is mobile optimized and includes SEO best practices such as meta tags and structured data. Analytics and cookie consent are managed via Google Tag Manager and Usercentrics respectively. No CMS is detected, suggesting a custom-built solution. The technical infrastructure is robust with good performance and user experience, though some accessibility features could be improved.
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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