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Security report for linker.hr

Linker Media d.o.o. · Media · Croatia

Medium risk. 8 critical or high findings in GDPR outside view, Security headers and 1 other check.

Security score

62/100

Risk levelMedium

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

Linker.hr is a Croatian-based native advertising platform operated by Linker Media d.o.o., targeting advertisers and media partners primarily in the Southeast European region. The platform focuses on content discovery and native ad distribution, boasting significant daily and monthly user reach across a network of over 35 partner portals. The website is professionally designed, mobile-optimized, and provides clear business and privacy information, including GDPR-compliant policies and cookie consent mechanisms. Technical infrastructure relies on standard web technologies such as jQuery and Google Fonts, with HTML5 video integration. Security posture is solid with HTTPS enforced and cookie consent implemented, though some security headers and explicit security policies are absent. No critical vulnerabilities or suspicious WHOIS patterns were detected, and the domain registration aligns well with the business identity, supporting high legitimacy. Overall, the website presents a trustworthy and professional digital presence for its business model.

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

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

    • 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

  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 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 linker.hr

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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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
60
Security headers
40
Email security
85
DNS health
75
Network security
100
GDPR outside view
10
Average
62

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

The company positions itself as a leader in native advertising within the Southeast European market, leveraging partnerships with prominent regional media outlets. Its business model centers on connecting advertisers with relevant audiences through content distribution on partner portals, enhancing user engagement and monetization opportunities. The platform's reach metrics indicate a strong market presence, and the website content targets both advertisers and media partners. The absence of phone contact or physical address on the website suggests a digital-first approach, with primary contact via email and social media. The company maintains transparency through privacy and terms policies, supporting compliance and trust. Growth potential is indicated by the platform's innovative approach and regional leadership claims.

Security posture

The website enforces HTTPS, ensuring encrypted communications, and implements a cookie consent banner aligned with GDPR requirements. However, the absence of key security headers such as Content-Security-Policy and X-Frame-Options reduces defense-in-depth. No explicit security or incident response policies are published, and no vulnerability disclosure or security.txt files are present, which could improve transparency and readiness. The use of an older jQuery version (2.1.0) may expose the site to known vulnerabilities if not properly patched. No signs of exposed sensitive data or vulnerable libraries were found in the provided content. Overall, the security posture is good but could be enhanced by adopting modern security headers and formal policies.

Recommendations

  1. Implement security headers including Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options to strengthen browser security.
  2. Publish explicit security and incident response policies to improve transparency and preparedness.
  3. Upgrade jQuery to a current supported version to mitigate known vulnerabilities.
  4. Consider adding a vulnerability disclosure policy or security.txt file to facilitate responsible reporting.
  5. Enhance accessibility features to improve compliance and user experience for all users.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Linker Media d.o.o.
Description
Platforma za razmjenu sadržaja i distribuciju oglasa na partnerskim portalima. Povećava čitanost i unovčava sadržaj, povezuje proizvode i usluge s pravom publikom u pravo vrijeme i mjesto.
Key services
Content distribution, Native advertising, Audience reach on partner portals
Content quality
good
Branding
consistent

Technology

Stack
jQuery 2.1.0, Google Fonts (Roboto), HTML5 video, CSS3
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
80/100
Good practices seen
  • HTTPS enforced
  • Cookie consent banner

Analytics and tracking

Tracking level
minimal
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 mechanisms.
  2. Content is professionally presented in Croatian language targeting regional advertisers and media.
  3. Clear privacy and cookie policies with consent mechanism implemented.
  4. No phone numbers or physical addresses explicitly provided on the homepage or footer.
  5. Social media presence limited to Facebook page link.
  6. No visible security.txt or explicit security policy pages.
  7. No forms detected in the provided HTML content.
  8. Use of older jQuery version (2.1.0) may pose minor security risks.
  9. No analytics or tracking scripts explicitly detected in the HTML content.
Technical notes

Notes

The website uses a traditional web stack with jQuery 2.1.0, Google Fonts, and CSS for styling, along with HTML5 video elements. The site is mobile-optimized and has good SEO metadata including Open Graph tags. No modern JavaScript frameworks or CMS platforms were detected, suggesting a custom or lightweight implementation. Performance is moderate with no explicit indicators of slow loading, but the use of older libraries may pose maintenance challenges. Accessibility is basic, with room for improvement. No analytics or tracking scripts were detected, indicating minimal user tracking. Hosting provider details are not evident from the content. Overall, the technical implementation is solid but could benefit from modernization and enhanced security 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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