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Security report for osys.cz

OSYS online systems s.r.o. · Technology · Czech Republic

Medium risk. 9 critical or high findings in GDPR outside view, Security headers and 2 other checks.

Security score

50/100

Risk levelMedium

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

OSYS online systems s.r.o. is a Czech Republic-based small technology company specializing in custom web design, WordPress development, and ongoing website management services. With over 15 years of experience and a client base exceeding 80 satisfied customers, the company positions itself as a reliable local partner for individuals, small businesses, and medium-sized enterprises seeking tailored web solutions. Their offerings include graphic design, website creation, and maintenance, emphasizing responsive design and user-friendly content management via WordPress. The website is professionally designed, mobile-optimized, and provides clear contact channels and client references, reinforcing trust and credibility. Technically, the website is built on WordPress CMS with a modern technology stack including jQuery, Bootstrap, and various plugins for enhanced user experience and performance. The site employs HTTPS with a good SSL configuration, uses Google Tag Manager for analytics and marketing, and implements cookie consent mechanisms aligned with GDPR requirements. However, some security headers are not explicitly detected, and no dedicated security or incident response policies are published. From a security perspective, the site demonstrates a solid baseline with encrypted communications and secure form handling, but could improve by adding explicit security headers and publishing vulnerability disclosure or incident response information. The absence of WHOIS data for the domain reduces domain registration trustworthiness, though the website content and business information appear legitimate and consistent with a professional service provider. Overall, OSYS presents a trustworthy and competent web service business with good digital maturity and privacy compliance. Strategic improvements in security transparency and domain registration clarity would further enhance their risk profile and client confidence.

Scanned

NIS2 and GDPR posture

GDPR outside view
40/ 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

9 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 osys.cz

This scan found 24 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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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
42
Security headers
35
Email security
80
DNS health
85
Network security
20
GDPR outside view
40
Average
50

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

OSYS operates in the technology sector focusing on web development services tailored to the Czech market. Their competitive advantage lies in personalized service, combining graphic design and WordPress expertise with ongoing website management. The business model is service-oriented, targeting small and medium enterprises and individual entrepreneurs. Revenue streams likely derive from project-based web development and recurring maintenance contracts. The company leverages partnerships with local organizations and references a broad client portfolio, indicating a stable market presence. Growth indicators include a long operational history and a diverse client base. The partnership ecosystem is visible through numerous linked external domains representing clients or collaborators. Strategic observations suggest OSYS maintains a focused niche with potential for expansion through enhanced digital marketing and security certifications.

Security posture

The website's security posture is moderate to good. HTTPS is enforced, ensuring encrypted data transmission. The contact form includes anti-spam honeypot fields, reducing automated abuse risk. However, the absence of visible security headers such as Content Security Policy (CSP), HTTP Strict Transport Security (HSTS), and X-Frame-Options indicates room for improvement in defense-in-depth. No vulnerabilities or exposed sensitive data were detected in the HTML content. Privacy compliance is well addressed with cookie consent and a comprehensive cookie policy. The lack of published security policies, incident response contacts, or vulnerability disclosure mechanisms suggests limited formal security governance. Overall, the security maturity is adequate for a small web service provider but should be enhanced to meet higher compliance standards and client expectations.

Recommendations

  1. Implement and enforce security headers including CSP, HSTS, X-Frame-Options, and X-XSS-Protection to strengthen browser security.
  2. Publish explicit security and privacy policies detailing data protection practices and incident response procedures.
  3. Establish a vulnerability disclosure program and provide clear contact channels for security issues.
  4. Regularly audit and update WordPress core, themes, and plugins to mitigate known vulnerabilities.
  5. Enhance website accessibility features to improve compliance and user experience for all visitors.

Contact details published on the site

Addresses
Legal name
OSYS online systems s.r.o.
VAT number
CZ26241269
Registration number
26241269
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
OSYS online systems s.r.o.
Description
Kompletní webový servis od konzultace, přes návrh struktury, grafický návrh až po přípravu šablony na míru pro redakční systém wordpress a spuštění na vlastní doméně.
Key services
Grafické návrhy, Tvorba webu, Správa webu
Content quality
good
Branding
consistent

Technology

Stack
WordPress, jQuery, Bootstrap, Slick Carousel, AOS (Animate On Scroll), LazyLoad, Magnific Popup, Selectric, BasicTable, JustifiedGallery, Datepicker, GSAP
Frameworks
Bootstrap
Platforms
WordPress
Performance
moderate
Mobile
excellent
Accessibility
basic
SEO
good

Security

Observed score
80/100
Good practices seen
  • HTTPS enforced
  • No exposed sensitive data in HTML
  • Contact form with spam honeypot fields

Analytics and tracking

Services
Google Tag Manager
Tracking level
moderate
Privacy practices
good

Advertising

Transparency
basic

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 challenge.
  2. Content is professionally presented in Czech language targeting local businesses and individuals.
  3. WHOIS data is missing, which is unusual and reduces domain trust score.
  4. Privacy and cookie policies are present and comprehensive with consent mechanisms.
  5. Contact information is clearly provided including email, phone, physical address, and contact form.
  6. Website uses modern web technologies and WordPress CMS.
  7. No explicit security headers detected in provided data; SSL is properly configured.
  8. No evidence of adult or unsafe content.
  9. Multiple external partner domains linked as references.
  10. Google Tag Manager is used for analytics and marketing tracking.
Technical notes

Notes

The website is built on WordPress CMS version 6.8.2, utilizing a modern front-end stack including Bootstrap for responsive design, jQuery for DOM manipulation, and various plugins such as Slick Carousel, AOS for animations, and LazyLoad for performance optimization. Google Tag Manager is integrated for analytics and marketing tracking. The site loads CSS and JS assets from both the hosting domain and reputable CDNs like cdnjs.cloudflare.com and fonts.googleapis.com. Performance is moderate with good mobile optimization and SEO meta tags implemented via Yoast SEO plugin. No hosting provider details were identified from the HTML content. The technical implementation is solid but could benefit from enhanced accessibility and security header configurations to reduce technical debt and improve resilience.
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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