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Security report for studiohrdinu.cz

Studio Hrdinů · Other · Czech Republic

Medium risk. 8 critical or high findings in GDPR outside view, Email security and 2 other checks.

Security score

61/100

Risk levelMedium

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

Studio Hrdinů is a small cultural venue and theatre studio based in Prague, Czech Republic, established in 2012. The website serves as a platform to showcase theatrical productions, exhibitions, and cultural events, targeting a general audience interested in the arts. The business model revolves around event organization and ticket sales, supported by partnerships such as GoOut.net for ticketing services. Technically, the website is built on WordPress and leverages common JavaScript libraries like jQuery, Vue.js, and Moment.js, with moderate performance and good mobile optimization. Security-wise, the site uses HTTPS and implements a cookie consent mechanism, but lacks visible advanced security headers and explicit security policies. Privacy compliance is basic, with a cookie policy present but no detailed privacy or terms of service pages. Overall, the website is professional and trustworthy but could improve in security and compliance transparency.

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

8 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. Email security

    SPF, DKIM and DMARC stop others sending email that looks like it comes from your domain, a common route to phishing and invoice fraud.

    • Critical

      No email authentication configured

      Domain is vulnerable to email spoofing

      What to do: Implement SPF, DKIM, and DMARC immediately

  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 studiohrdinu.cz

This scan found 23 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.

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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
75
Security headers
15
Email security
60
DNS health
75
Network security
100
GDPR outside view
40
Average
61

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

Breach exposure

Leaked credentials and lookalike domains from OffSeq Breach. The counts are free; the detailed lists are paid add-ons.

Dark web exposure

Add-on

Leaked records that mention studiohrdinu.cz, from OffSeq Breach.

No leaked records found

Breach holds no records for studiohrdinu.cz right now. New leaks arrive continuously, so monitoring on Breach alerts you if that changes.

Monitor on Breach (opens in a new tab)

Technical appendix

Business context, site observations and technical notes gathered during the scan, and the standards behind each reference.

Business context

Business profile

Studio Hrdinů occupies a niche cultural market in Prague, focusing on theatre and artistic events. Its competitive advantage lies in its curated program and partnerships with ticketing platforms like GoOut.net. The business targets local and international theatre audiences, offering multilingual content. Revenue streams likely include ticket sales and event hosting. The partnership ecosystem includes cultural institutions and city entities, as evidenced by partner logos. Growth indicators include a well-maintained event calendar and active social media presence. Strategic observations suggest opportunities to enhance digital marketing and security posture to strengthen market position.

Security posture

The website demonstrates a moderate security maturity level with HTTPS enforced and a cookie consent mechanism in place. However, it lacks visible security headers such as Content Security Policy, HSTS, and X-Frame-Options, which are recommended best practices. No explicit security or incident response policies are published, and no contact channels for security issues are provided. The use of third-party scripts and libraries requires regular updates to mitigate vulnerabilities. Compliance with GDPR is partially indicated through cookie consent, but privacy policy details are minimal. Overall, the security posture is adequate for a small cultural site but could benefit from enhancements to protect user data and improve trust.

Recommendations

  1. Implement comprehensive security headers including CSP, HSTS, and X-Frame-Options.
  2. Publish detailed privacy and security policies including GDPR compliance statements.
  3. Add explicit contact information for security incidents and data protection officer if applicable.
  4. Regularly audit and update third-party libraries and scripts to mitigate vulnerabilities.
  5. Enhance transparency and user trust by providing terms of service and clearer contact details.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Studio Hrdinů
Description
Studio Hrdinů is a cultural venue and theatre studio offering theatrical productions, exhibitions, and crossovers. It provides a program of events including plays and artistic performances primarily in Czech and English.
Key services
Theatrical productions, Exhibitions, Cultural events, Ticket sales
Content quality
good
Branding
consistent

Technology

Stack
jQuery, Less CSS, Google Analytics, Vue.js, Moment.js, LightGallery, bxSlider
Performance
moderate
Mobile
good
Accessibility
basic
SEO
basic

Security

Observed score
70/100
Good practices seen
  • HTTPS enforced
  • Cookie consent mechanism implemented

Analytics and tracking

Services
Google Analytics, Google Tag Manager
Tracking level
moderate
Privacy practices
basic

Advertising

Transparency
basic

Site quality

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

Key observations

  1. Website is a cultural venue site with event listings and ticketing.
  2. No explicit contact emails or phone numbers found on the main page.
  3. Cookie consent is implemented with detailed options.
  4. No visible privacy or security policies beyond cookie policy.
  5. Social media presence on Facebook, Twitter, Instagram.
  6. No terms of service or security incident contacts found.
  7. Uses WordPress CMS with common JS libraries.
  8. No security headers detected in provided data.
  9. No forms detected in the provided HTML content.
Technical notes

Notes

The website uses a WordPress CMS with a combination of Less CSS and JavaScript libraries such as jQuery, Vue.js, Moment.js, LightGallery, and bxSlider. Hosting is supported by Cloudflare DNS services and a Czech registrar. The site is mobile optimized with responsive design elements and moderate loading performance. SEO is basic with meta tags present but could be improved with richer structured data and accessibility features. No forms were detected in the provided HTML, indicating limited direct user data collection on the main page. Technical risks include the absence of security headers and potential outdated third-party scripts. Modernization opportunities include enhancing accessibility and SEO, and implementing stronger security controls.
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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