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Security report for escoservis.sk

ESCO Servis, s.r.o. · Energy · Slovakia

High risk. 12 critical or high findings in GDPR outside view, Security headers and 3 other checks.

Security score

43/100

Risk levelHigh

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

ESCO Servis, s.r.o. is a Slovakian company specializing in energy services, particularly heat production and facility management for companies and residential buildings. The company holds ISO 9001 certification, indicating a commitment to quality management, and maintains partnerships with major energy groups such as ČEZ. Their website reflects a professional and consistent brand image, targeting corporate and residential clients in the energy sector. Technically, the website uses modern libraries like jQuery and Bootstrap, is mobile responsive, and implements GDPR-compliant cookie consent mechanisms. Security posture is solid with HTTPS enforced and no visible vulnerabilities, though additional security headers could enhance protection. Contact information is clearly provided, but incident response and vulnerability disclosure policies are absent, representing areas for improvement.

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

12 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 escoservis.sk

This scan found 27 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

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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
72
Security headers
20
Email security
65
DNS health
70
Network security
20
GDPR outside view
10
Average
43

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 company operates in the energy sector with a medium-sized business model focused on service provision. Their market position is strengthened by ISO certification and strategic partnerships with established energy companies. The website content and structure suggest a focus on B2B and residential building management clients. The absence of terms of service and incident response contacts indicates potential gaps in formal customer and security communication. The partnership ecosystem includes reputable energy and municipal entities, enhancing credibility and market reach.

Security posture

The website demonstrates a good security baseline with HTTPS and cookie consent in place. However, the lack of advanced security headers and explicit incident response contacts limits the security maturity level. No vulnerable libraries or exposed sensitive data were detected. GDPR compliance is evident through privacy and cookie policies. The absence of a security.txt file or vulnerability disclosure policy suggests limited transparency in security incident handling. Overall, the security posture is adequate but could benefit from formalized incident response and enhanced header configurations.

Recommendations

  1. Implement security headers such as Content-Security-Policy, X-Frame-Options, and Strict-Transport-Security to strengthen protection against common web attacks.
  2. Publish an incident response contact or abuse email to improve transparency and readiness for security incidents.
  3. Regularly update all third-party libraries and dependencies to mitigate risks from known vulnerabilities.
  4. Develop and publish a vulnerability disclosure policy or security.txt file to encourage responsible reporting of security issues.
  5. Enhance accessibility features and SEO optimization to improve user experience and search engine visibility.

Contact details published on the site

Addresses
Legal name
ESCO Servis, s.r.o.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
ESCO Servis, s.r.o.
Description
ESCO Servis, s.r.o. provides comprehensive services related to heat production, servicing companies and residential buildings, including emergency services and technical maintenance.
Key services
Heat production, Emergency services, Technical maintenance, Consulting and servicing for companies and residential buildings
Content quality
good
Branding
consistent

Technology

Stack
jQuery 3.3.1, Bootstrap 4.1.3, Popper.js, Slick Carousel, WOW.js, jQuery UI
Performance
moderate
Mobile
good
Accessibility
basic
SEO
basic

Security

Observed score
80/100
Good practices seen
  • HTTPS enforced
  • Cookie consent mechanism implemented
  • No exposed sensitive data in HTML

Analytics and tracking

Tracking level
minimal
Privacy practices
good

Advertising

Transparency
poor

Site quality

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

Key observations

  1. Website is fully accessible with no blocking or WAF challenges.
  2. Content is professionally presented and relevant to the energy service sector.
  3. Cookie consent and privacy policy are implemented in compliance with GDPR.
  4. No terms of service page found.
  5. Contact information is clearly provided with multiple channels.
  6. ISO 9001 certification is prominently mentioned, indicating quality management.
  7. No security.txt or vulnerability disclosure policy found.
  8. No incident response or abuse contact emails found.
  9. Use of modern JavaScript libraries and responsive design.
  10. No advertising or tracking networks detected beyond basic cookies.
Technical notes

Notes

The website is built on Tesmur:CMS and uses a modern front-end stack including jQuery 3.3.1, Bootstrap 4.1.3, Popper.js, and Slick Carousel for UI components and responsiveness. The site loads moderately fast and is mobile optimized. However, accessibility features are basic and SEO optimization is minimal, with some meta tags present but keywords missing. Hosting provider details are not disclosed. The site uses deferred loading for some scripts, improving performance. There is no evidence of advanced frameworks or platforms beyond the CMS and front-end libraries. Overall, the technical infrastructure is stable but could be modernized with enhanced SEO and accessibility improvements.
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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