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Security report for kesko.fi

Kesko · Retail · Finland

Medium risk. 6 critical or high findings in GDPR outside view and Security headers.

Security score

68/100

Risk levelMedium

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

Kesko is a leading Finnish retail company operating in eight countries, specializing in daily consumer goods, construction and building technology trade, and automotive sales. The website provides comprehensive corporate, investor, media, and career information, targeting consumers, investors, job seekers, and partners. The digital infrastructure is based on Microsoft IIS and ASP.NET MVC technologies, with integrations for Google Tag Manager and social media embeds. While the site is content-rich and professionally designed with good SEO and privacy compliance, the security posture is weakened by an invalid SSL certificate and disabled TLS protocols, which pose risks to secure communications. The site implements GDPR-compliant cookie consent and privacy policies but lacks explicit public incident response or vulnerability disclosure information. Overall, the site is trustworthy and professional but requires urgent improvements in SSL/TLS configuration to enhance security and user trust.

Scanned

This is an earlier scan of kesko.fi. View the latest report

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

6 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

    • High

      No Cookie Policy found

      GDPR requires clear information about cookie usage

      What to do: Add a dedicated cookie policy explaining cookie usage and purposes

    • High

      No Cookie Consent Banner found

      GDPR requires explicit consent for non-essential cookies

      What to do: Implement a cookie consent banner that appears on first visit

  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 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';…

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Keep watching kesko.fi

This scan found 20 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
90
Security headers
65
Email security
70
DNS health
80
Network security
100
GDPR outside view
0
Average
68

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

Kesko holds a strong market position in the Finnish retail sector with diversified operations across multiple retail segments. Its business model focuses on retail and wholesale services, supported by a robust investor relations framework and active sustainability initiatives. The company leverages partnerships within the K-ryhmä group and maintains a strong brand presence through multiple digital channels. The website reflects a mature corporate structure with clear communication of business strategies, governance, and social responsibility. Growth indicators include active recruitment and expansion of services. The partnership ecosystem includes related domains such as k-ryhma.fi and k-ruoka.fi, reinforcing its market footprint.

Security posture

The website demonstrates good security header implementation and cookie management practices, including HttpOnly and Secure flags on cookies, strict transport security headers, and permissions policies restricting sensitive device access. However, the absence of a valid SSL certificate and disabled TLS protocols critically undermine the security posture, exposing users to potential interception and trust issues. No public security policy, incident response, or vulnerability disclosure mechanisms are found, which limits transparency and preparedness for security incidents. Email security is strengthened by valid SPF and DMARC DNS records. Overall, the security maturity is moderate but requires immediate remediation of SSL/TLS issues and enhanced transparency on security governance.

Recommendations

  1. Obtain and deploy a valid SSL certificate to enable HTTPS and modern TLS protocols (TLS 1.2 and 1.3).
  2. Enable OCSP stapling and session resumption to improve SSL performance and security.
  3. Publish a clear security policy and incident response contact information on the website.
  4. Implement a public vulnerability disclosure program or security.txt file to encourage responsible reporting.
  5. Continue maintaining and enhancing privacy compliance and cookie consent mechanisms to align with evolving regulations.

Contact details published on the site

Addresses
Legal name
Kesko Oyj
Technical notes

Notes

The website is hosted on Microsoft IIS 10.0 with ASP.NET MVC 5.2 and ASP.NET 4.0.30319 frameworks, indicating a mature but somewhat legacy technology stack. The CMS is likely Episerver, inferred from script comments and bundle paths. DNS records show Elisa as the hosting provider. Performance data is unavailable, but the site includes modern SEO practices such as structured data (JSON-LD) and Open Graph tags. Mobile optimization is basic, with responsive design elements present but not fully advanced. Accessibility features are minimal but present. The site uses Google Tag Manager and Google Analytics for tracking, alongside social media embeds. Technical risks include outdated SSL/TLS configuration and lack of session resumption, which could impact user experience and security.
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

Earlier scans of this domain

  1. 65/100Medium32 findingsView report
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