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Security report for coaltech.com.br

COALTECH · Energy · Brazil

High risk. 10 critical or high findings in Network security, Security headers and 2 other checks.

Security score

43/100

Risk levelHigh

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

COALTECH is a Brazilian company specializing in engineering consultancy, automation, and monitoring solutions, serving industrial, forestry, and agrarian sectors. The company offers proprietary systems such as CARBONTECH for carbonization monitoring, SYSFOREST for forest and agrarian monitoring, and COALTRACK for GPS and satellite tracking. Their business model focuses on B2B services including equipment rental and technical support, positioning them as a niche provider with innovative technological solutions. The website reflects a medium-sized enterprise with a professional online presence and active social media engagement. Technically, the website employs modern web technologies including HTML5, CSS3, JavaScript, jQuery, and Swiper.js for UI components. Hosting is provided by HostGator Brazil, and analytics tools such as Google Analytics and LinkedIn Insight Tag are integrated. The site is mobile-optimized with good SEO practices but lacks some accessibility features. Performance is moderate with room for improvement. From a security perspective, the site uses HTTPS and avoids exposing sensitive data but lacks explicit security headers and incident response information. No privacy or cookie policies were found, indicating compliance gaps with GDPR and other privacy regulations. Forms exist for newsletter subscription and support ticketing but lack visible anti-CSRF protections. Overall, the security posture is moderate but could be enhanced with standard best practices. The overall risk is moderate with no critical vulnerabilities detected. Strategic recommendations include implementing privacy and cookie policies with consent mechanisms, adding security headers, and publishing incident response contacts to improve trust and compliance. The domain registration data is consistent with the business claims, supporting legitimacy and trustworthiness.

Scanned

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

10 findings rated critical or high. Fix these first.

  1. Network security

    Services reachable from the internet are the first thing attackers probe. Anything open that does not need to be should be closed.

    • Critical

      Critical Service Exposed: MySQL

      Port 3306 (MySQL) is publicly accessible - MySQL - Database server

      What to do: Immediately restrict access to MySQL using firewall or VPN

      • NIS2 21(2)(e)
      • IR 2024/2690 6.7.2(f): Implementing Regulation (EU) 2024/2690, Annex point 6.7.2(f): Network security
      • NIST CM-7: NIST SP 800-53 Rev. 5 CM-7: Least Functionality
      • NIST SC-7: NIST SP 800-53 Rev. 5 SC-7: Boundary Protection

  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';…

  3. 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

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

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  • TLS certificates and expiry
  • DNS records
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  • 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
15
Email security
85
DNS health
60
Network security
0
GDPR outside view
35
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 · found on this site
  • 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

COALTECH operates in the energy and technology sectors with a focus on engineering and automation services. Their competitive advantage lies in proprietary monitoring systems and comprehensive telecommunications solutions, including radio equipment rental. The business targets industrial and forestry clients requiring complex technical solutions. Growth indicators include active social media presence and continuous product innovation (e.g., SYSFOREST marked as new). Partnerships with technology providers and service companies like Adroit Tecnologia support their operations. The company maintains a medium-sized profile with a clear market niche and professional digital footprint.

Security posture

The website demonstrates a moderate security maturity level. HTTPS is enabled, and no sensitive data is exposed in the HTML. However, the absence of security headers such as Content Security Policy (CSP), HTTP Strict Transport Security (HSTS), and X-Frame-Options reduces protection against common web attacks. No incident response or security policy information is published, limiting transparency and preparedness. Forms lack visible anti-CSRF tokens, which could expose risks in form submissions. Privacy compliance is weak due to missing privacy and cookie policies. Overall, the security posture is functional but requires enhancements to meet best practices and regulatory requirements.

Recommendations

  1. Implement comprehensive privacy and cookie policies with explicit user consent mechanisms to comply with GDPR and similar regulations.
  2. Add HTTP security headers including CSP, HSTS, X-Frame-Options, and X-XSS-Protection to strengthen web security.
  3. Publish clear incident response and security contact information to improve transparency and readiness.
  4. Enhance form security by adding anti-CSRF tokens and validating inputs server-side.
  5. Conduct regular security audits of third-party scripts and dependencies to mitigate vulnerabilities.

Contact details published on the site

Addresses
Legal name
COALTECH
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
COALTECH
Description
A COALTECH é uma empresa especializada em consultoria, projetos de engenharia, automação e gerenciamento, que executa atividades das mais variadas complexidades técnicas.
Key services
Consultoria em engenharia, Projetos de engenharia, Automação industrial, Monitoramento florestal e agrário, Rastreamento veicular GPS e gestão de frotas, Locação de rádios e repetidoras, Sistemas supervisórios, Implantação de torres e estruturas verticais
Content quality
good
Branding
consistent

Technology

Stack
HTML5, CSS3, JavaScript, jQuery, Swiper.js, Font Awesome, Google Analytics, Google Custom Search Engine, LinkedIn Insight Tag
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
55/100
Good practices seen
  • HTTPS usage implied by canonical URL (https://coaltech.com.br/index.html)
  • No exposed sensitive data in HTML
  • Use of secure external scripts (Google Analytics, LinkedIn, etc.)

Analytics and tracking

Services
Google Analytics, LinkedIn Insight Tag
Tracking level
moderate
Privacy practices
poor

Advertising

Tracking pixels
LinkedIn Insight Tag
Marketing tools
Google Custom Search Engine, LinkedIn Insight Tag
Transparency
basic

Site quality

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

Key observations

  1. Website is professionally designed with clear navigation and multilingual support.
  2. No explicit privacy or cookie policies found, indicating compliance gaps.
  3. Contact information is clearly provided including email, phone, physical address, and support links.
  4. Use of multiple proprietary monitoring and automation solutions indicates technical expertise.
  5. No visible security headers or incident response information, suggesting room for security posture improvement.
  6. Social media presence across major platforms supports brand trust.
  7. No WAF or blocking mechanisms detected; site content fully accessible.
Technical notes

Notes

The website uses a modern tech stack with HTML5, CSS3, JavaScript, jQuery, and Swiper.js for interactive UI elements. Hosting is via HostGator Brazil, indicating a reliable infrastructure. Google Analytics and LinkedIn Insight Tag are used for analytics and marketing. The site is mobile-optimized and SEO-friendly with proper meta tags and Open Graph data. However, accessibility features are basic and could be improved. Performance is moderate, with potential gains from optimizing scripts and assets. No CMS detected, suggesting a custom or static site architecture. Technical risks include lack of security headers and incomplete privacy compliance.
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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