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Security report for hot.at

HoT Telekom und Service GmbH · Telecommunications · Austria

Low risk. 2 critical or high findings in GDPR outside view and SSL/TLS.

Security score

84/100

Risk levelLow

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

HoT Telekom und Service GmbH operates as a prepaid mobile telecommunications provider in Austria, offering affordable and flexible mobile and internet services without contractual obligations. The company is positioned as a leading low-cost provider, affiliated with the reputable HOFER retail brand, and has received awards for customer satisfaction and price-performance. The website is professionally designed, mobile-optimized, and provides comprehensive information about services, legal policies, and customer support. Technically, the site uses modern frameworks such as Nuxt.js and Vue.js, with strong security practices including HTTPS and Content-Security-Policy headers. Privacy compliance is well addressed with clear cookie consent mechanisms and GDPR-aligned policies. No critical security vulnerabilities or blocking mechanisms were detected, indicating a mature and trustworthy online presence.

Scanned

NIS2 and GDPR posture

GDPR outside view
80/ 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

2 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 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

  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
80
Email security
80
DNS health
85
Network security
100
GDPR outside view
80
Average
84

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

HoT targets Austrian consumers seeking cost-effective and flexible mobile solutions, leveraging a prepaid business model that avoids long-term contracts. The company benefits from its association with HOFER, enhancing brand trust and distribution through physical retail locations. Key services include 5G internet packages, SIM and eSIM sales, number portability, and a dedicated mobile app for account management. The market position is strong, supported by independent studies confirming the best price-performance ratio. The company uses multiple marketing and analytics tools to optimize customer engagement while maintaining privacy compliance. Partnerships with HOFER subsidiaries and related services strengthen its ecosystem.

Security posture

The website demonstrates a solid security posture with enforced HTTPS, a strict Content-Security-Policy, and no visible exposure of sensitive data. Cookie consent is implemented to comply with privacy regulations. However, explicit security policies, incident response contacts, and vulnerability disclosure mechanisms are not publicly available, representing areas for improvement. The use of modern web technologies reduces the risk of legacy vulnerabilities. Overall, the security maturity is high, but transparency around security governance could be enhanced.

Recommendations

  1. Publish a dedicated security policy and incident response page to improve transparency and trust.
  2. Implement and publicize a vulnerability disclosure program and security.txt file to encourage responsible reporting.
  3. Enhance HTTP security headers by adding HSTS, X-Frame-Options, and X-XSS-Protection for layered defense.
  4. Regularly audit third-party scripts and dependencies to mitigate risks from external libraries.
  5. Maintain and communicate clear data retention policies and user privacy rights to strengthen GDPR compliance.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
HoT Telekom und Service GmbH
Description
HoT bietet günstige Mobilfunk- und Internet-Tarife ohne Vertragsbindung, mit flexiblen Prepaid-Optionen, 5G-Speed, und einfache Guthabenverwaltung. HoT ist ein Mobilfunkanbieter mit Fokus auf Preis-Leistung und Kundenfreundlichkeit in Österreich.
Key services
Prepaid mobile phone tariffs, 5G internet packages, SIM and eSIM sales, Number portability (Rufnummer mitnehmen), Mobile internet for home, Mobile app for account management
Content quality
excellent
Branding
consistent

Technology

Stack
Vue.js, Tailwind CSS, Nuxt.js, JavaScript, CSS3, HTML5
Frameworks
Nuxt.js, Vue.js
Platforms
Web
Performance
fast
Mobile
excellent
Accessibility
good
SEO
good

Security

Observed score
90/100
Good practices seen
  • Strict Content-Security-Policy
  • HTTPS enforced
  • Cookie consent mechanism
  • No exposed sensitive data in HTML

Analytics and tracking

Services
Google Analytics, Hotjar, Sentry
Tracking level
moderate
Privacy practices
good

Advertising

Ad networks
Google DoubleClick, Google AdSense
Tracking pixels
Hotjar, Facebook Pixel, Snapchat Pixel
Marketing tools
Sentry
Transparency
good

Site quality

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

Key observations

  1. Website is fully accessible with no blocking or WAF challenges.
  2. Strong focus on privacy and cookie compliance with clear user consent mechanisms.
  3. Professional and modern website design with responsive layout.
  4. Clear business affiliation with HOFER, a reputable Austrian retail company.
  5. Use of modern web technologies and frameworks (Nuxt.js, Vue.js, Tailwind CSS).
  6. Good security posture with HTTPS and CSP headers.
  7. No exposed sensitive data or obvious vulnerabilities detected.
  8. Comprehensive legal and contact information available.
  9. Use of multiple third-party analytics and marketing tools with user consent.
Technical notes

Notes

The website is built on a modern JavaScript framework stack (Nuxt.js and Vue.js) with Tailwind CSS for styling, ensuring responsive and performant user experience. The site loads quickly and is optimized for mobile devices. SEO best practices are observed with proper meta tags and Open Graph data. Accessibility features such as skip links and ARIA roles are present, enhancing usability. The hosting provider is not explicitly identified, but the presence of multiple CDN and analytics services indicates a distributed infrastructure. Overall, the technical implementation supports business goals effectively with room for incremental security enhancements.
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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