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Security report for koloc.cz

KOLOC oil, PROTEGO s.r.o. · Energy · Czech Republic

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

Security score

44/100

Risk levelHigh

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

KOLOC oil, operated by PROTEGO s.r.o., is a regional fuel station operator in the Czech Republic offering a variety of quality fuels including unleaded gasoline and diesel variants, along with premium fuel options. The company also provides convenience store goods, refreshments, parking, and accepts multiple payment cards, positioning itself as a comprehensive service provider for motorists. The website reflects a medium-sized business with consistent branding and a clear focus on customer service. Technically, the website uses standard web technologies such as HTML5, CSS3, JavaScript, and likely Bootstrap and jQuery for UI components. The site is mobile-optimized and offers a good user experience with clear navigation and relevant content. Security-wise, the site employs a Content-Security-Policy header but weakens it by allowing unsafe inline scripts and eval, which could be improved. No privacy or cookie policies were found, indicating potential compliance gaps with GDPR. The WHOIS data is unavailable, which reduces domain trustworthiness, but the website content and contact information appear legitimate and consistent with the business claims. Overall, the site scores well in business credibility and content quality but has room for improvement in privacy compliance and security hardening.

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

  2. 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

  3. 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 koloc.cz

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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Full report

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Prices incl. 21% VAT. Secure checkout by Mollie; sold by SEQ SIA, Latvia.

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
15
Email security
80
DNS health
85
Network security
0
GDPR outside view
10
Average
44

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

KOLOC oil operates in the energy and transportation sectors, focusing on retail fuel sales combined with convenience and refreshment services. The company targets motorists in the Czech Republic, offering multiple physical locations with amenities such as parking, Wi-Fi, and payment card acceptance. The business model relies on fuel sales and ancillary services, supported by a regional presence. The company demonstrates trust signals such as SGS certification and active social media presence. However, the lack of publicly available WHOIS data and privacy policies may impact customer trust and regulatory compliance. The website's minimal use of analytics and tracking suggests a privacy-conscious approach or limited digital marketing efforts. Strategic partnerships include Sazka terminal services, indicating integration with local service providers.

Security posture

The website shows a moderate security posture with HTTPS implied but not explicitly confirmed in the HTML content. The presence of a Content-Security-Policy header is positive, though weakened by allowing 'unsafe-inline' and 'unsafe-eval', which reduces its effectiveness against cross-site scripting attacks. Forms use POST methods but lack visible anti-CSRF tokens, which could expose the site to CSRF vulnerabilities. No security.txt or vulnerability disclosure mechanisms are present, limiting transparency for security researchers. No analytics or tracking scripts reduce the attack surface related to third-party scripts. Overall, the site would benefit from stronger CSP policies, implementation of anti-CSRF protections, and publishing a security.txt file to improve its security maturity and compliance posture.

Recommendations

  1. Strengthen the Content-Security-Policy by removing 'unsafe-inline' and 'unsafe-eval' directives to mitigate XSS risks.
  2. Implement anti-CSRF tokens on all forms to protect against cross-site request forgery attacks.
  3. Publish a privacy policy and cookie policy to improve GDPR compliance and user trust.
  4. Add a security.txt file to provide a clear vulnerability disclosure channel for security researchers.
  5. Ensure HTTPS is enforced site-wide with HSTS headers to secure data in transit and improve security posture.

Contact details published on the site

Addresses
Legal name
KOLOC oil, PROTEGO s.r.o.
VAT number
CZ02890160
Registration number
02890160
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
KOLOC oil, PROTEGO s.r.o.
Description
KOLOC oil operates a network of fuel stations offering quality fuel including various grades of unleaded gasoline and diesel fuels, along with premium options. They also provide additional services such as refreshments, phone card sales, parking, and other amenities.
Key services
Fuel sales (Natural 95, Natural 95 Premium, Natural 98, Diesel, Diesel Plus, Diesel B0, AdBlue), Convenience store goods, Refreshments and food, Parking facilities, Payment card acceptance (CCS, UTA, VISA, Mastercard, Maestro, JCB, American Express), Wi-Fi access, Sazka terminal services
Content quality
good
Branding
consistent

Technology

Stack
HTML5, CSS3, JavaScript, Bootstrap (implied by modal classes), jQuery (implied by modal and data-toggle usage), Custom JS (price.js, all.min.js)
Frameworks
Bootstrap (likely)
Performance
moderate
Mobile
good
Accessibility
basic
SEO
basic

Security

Observed score
65/100
Good practices seen
  • Content-Security-Policy header present
  • No exposed sensitive data in HTML
  • Forms use POST method

Analytics and tracking

Tracking level
minimal
Privacy practices
poor

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 rich content about fuel stations and services.
  2. No privacy or cookie policies found, indicating potential compliance gaps.
  3. WHOIS data unavailable, limiting domain legitimacy verification.
  4. Content is professional and consistent with business sector.
  5. Security headers present but CSP is weak due to unsafe-inline and unsafe-eval.
  6. No analytics or tracking scripts detected, indicating minimal user tracking.
Technical notes

Notes

The website is built using standard web technologies including HTML5, CSS3, and JavaScript, with indications of Bootstrap and jQuery usage for UI components such as modals. The site is mobile responsive and offers a good user experience with clear navigation and structured content. Performance is moderate, with no heavy external dependencies or analytics scripts detected. The site lacks a CMS indication, suggesting a custom or static site architecture. Technical debt appears low, but security-related technical improvements are recommended. Hosting provider details are not discernible from the HTML content. Overall, the technical implementation supports the business needs but could be enhanced with modern security and privacy best practices.
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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