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Security report for talitaivallahti.fi

Helsingin Tennisstadion Oy · Hospitality · Finland

High risk. 9 critical or high findings in GDPR outside view, Security headers and 1 other check.

Security score

37/100

Risk levelHigh

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

Helsingin Tennisstadion Oy operates the Talin ja Taivallahden Tenniskeskukset, providing tennis facilities, coaching, retail, and event services primarily to the Helsinki community. The website serves as a booking and information portal for tennis players and enthusiasts, offering court reservations, training programs, and related services. The business positions itself as a local sports and hospitality provider with a focus on tennis. Technically, the website is built on WordPress with a modern plugin ecosystem and uses AWS Cloudfront CDN for content delivery. However, the SSL configuration is currently invalid, which undermines secure communications and user trust. The site includes GDPR-compliant privacy and cookie policies with a consent mechanism, reflecting good privacy awareness. Security posture is moderate but requires urgent improvements in SSL and TLS configurations. Overall, the website is functional and professional but needs security enhancements to improve trust and compliance.

Scanned

NIS2 and GDPR posture

GDPR outside view
0/ 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

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 talitaivallahti.fi

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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
50
Security headers
15
Email security
50
DNS health
85
Network security
20
GDPR outside view
0
Average
37

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 talitaivallahti.fi, from OffSeq Breach.

No leaked records found

Breach holds no records for talitaivallahti.fi 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

The company targets tennis players in Helsinki, offering a range of services from court bookings to coaching and retail. Partnerships with local tennis organizations and service providers strengthen its market position. The business model relies on facility usage fees, coaching services, retail sales, and event hosting. The website supports multi-language content (Finnish and English) and integrates social media channels for community engagement. Growth potential exists through digital booking and enhanced service offerings. The partnership ecosystem includes recognized local tennis clubs and service providers, indicating a collaborative approach to market presence.

Security posture

The website currently lacks a valid SSL certificate, resulting in no HTTPS protection and no modern TLS protocol support. This is a critical security gap that exposes users to potential interception and undermines trust. Security headers are minimal, and no advanced protections like HSTS or OCSP stapling are implemented. The site uses a GDPR cookie compliance plugin and includes privacy policies, but no explicit security or incident response policies are published. The exposure of PHP version in HTTP headers is a minor information disclosure risk. The broken Facebook feed integration indicates some maintenance issues. Overall, the security maturity is basic and requires immediate attention to SSL/TLS and header hardening to meet modern standards.

Recommendations

  1. Obtain and deploy a valid SSL certificate to enable HTTPS and secure user data.
  2. Enable and configure modern TLS protocols (TLS 1.2 and 1.3) and disable deprecated versions.
  3. Implement HTTP Strict Transport Security (HSTS) with includeSubDomains and preload directives.
  4. Remove or obfuscate server and PHP version headers to reduce fingerprinting risks.
  5. Fix or remove broken third-party integrations such as the Facebook feed to improve user experience.
  6. Publish explicit security and incident response policies to enhance transparency and preparedness.
  7. Regularly audit and update plugins and dependencies to avoid vulnerabilities.
  8. Enhance accessibility features and performance optimizations for better user experience.

Contact details published on the site

Addresses
Legal name
Helsingin Tennisstadion Oy
Technical notes

Notes

The website runs on WordPress with PHP 7.4.33 on a LiteSpeed server, fronted by AWS Cloudfront CDN. It uses popular plugins such as Yoast SEO, Contact Form 7, and GDPR Cookie Compliance. JavaScript libraries include jQuery and LightGallery. The site is multi-lingual with Finnish and English versions. Performance data is unavailable, but the use of CDN and caching suggests moderate to good performance. Mobile optimization appears good based on responsive design elements. However, the invalid SSL certificate and disabled TLS protocols represent significant technical debt and security risk. The site would benefit from modernization of its SSL/TLS stack and improved security header implementation.
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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