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Security report for vodafone.is

Sýn · Telecommunications · Iceland

Medium risk. 7 critical or high findings in SSL/TLS, Security headers and 1 other check.

Security score

53/100

Risk levelMedium

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

Sýn is a prominent Icelandic telecommunications and media company offering a comprehensive suite of services including internet, television, mobile and fixed phone services, and advertising solutions across multiple platforms. The company holds a strong market position in Iceland, serving both residential and business customers with bundled packages and media content. The website reflects a professional and consistent brand image, targeting Icelandic consumers and businesses with localized content and multiple service offerings. Technically, the site is built on modern web technologies such as React and Next.js, with integrations for analytics and user behavior tracking via Google Tag Manager and Hotjar. Security posture is strong with HTTPS enforcement and appropriate security headers, although explicit security policy and incident response information are not publicly detailed. Privacy and cookie policies are present and appear comprehensive, indicating good compliance with GDPR. The absence of WHOIS data limits full domain trust analysis, but the overall digital presence and certifications support legitimacy. Strategic recommendations include enhancing public security policy disclosures, improving accessibility, and maintaining regular security audits.

Scanned

NIS2 and GDPR posture

GDPR outside view
35/ 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

7 findings rated critical or high. Fix these first.

  1. SSL/TLS

    TLS encrypts the connection and proves the site is really yours. Weak or expiring certificates trigger browser warnings and put traffic at risk.

    • Critical

      Unable to retrieve SSL certificate

      Could not establish secure connection to retrieve certificate information

      What to do: Check if the server is accessible and SSL/TLS is properly configured

  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 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';…

  3. GDPR outside view

    These are the privacy signals visitors and data protection authorities look for under GDPR.

    • 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

Need hands-on remediation? Email guard@offseq.com

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  • TLS certificates and expiry
  • DNS records
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  • 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
0
Security headers
30
Email security
65
DNS health
85
Network security
100
GDPR outside view
35
Average
53

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

Sýn operates as a large telecommunications and media entity in Iceland, leveraging a multi-channel approach that includes internet, TV, radio, and digital advertising. Its subsidiaries such as Vísir.is and Bylgjan radio station strengthen its media footprint. The business model focuses on bundled service packages for households and tailored solutions for businesses, supported by a strong advertising platform. The company benefits from certifications that enhance trust and demonstrates a mature digital ecosystem with integrated analytics and marketing tools. Partnerships with Vodafone and other local platforms indicate a collaborative ecosystem. Growth indicators include diversified media assets and continuous digital service enhancements.

Security posture

The website demonstrates a mature security posture with HTTPS enabled and multiple security headers implemented, reducing common web vulnerabilities. No exposed sensitive data or vulnerable libraries were detected in the analyzed content. However, the lack of a publicly accessible security policy or incident response contact information suggests room for improvement in transparency and readiness. Privacy compliance is well addressed with clear privacy and cookie policies, including consent mechanisms. The use of third-party analytics and tracking tools is balanced with privacy considerations. Overall, the security maturity is good but could be enhanced by publishing detailed security and incident response documentation.

Recommendations

  1. Publish a dedicated security policy page detailing security practices and incident response procedures.
  2. Provide clear contact channels for security incidents, such as security@ or abuse@ email addresses.
  3. Enhance website accessibility to meet higher standards for users with disabilities.
  4. Regularly review and update third-party scripts and analytics tools to mitigate potential vulnerabilities.
  5. Maintain transparency on data retention policies and user privacy to strengthen GDPR compliance.

Contact details published on the site

Addresses
Registration number
470905-1740
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Sýn
Description
Sýn is an Icelandic telecommunications and media company offering internet, television, phone services, and advertising solutions. It provides a comprehensive package of services including internet, TV entertainment, sports content, radio stations, and advertising across multiple media platforms.
Key services
Internet services (fiber, 5G), Television subscription and streaming, Mobile and fixed phone services, Advertising across TV, internet, radio, and podcasts, Media publishing via Vísir.is
Content quality
good
Branding
consistent

Technology

Stack
React, Next.js, Webpack, Google Tag Manager, Hotjar
Frameworks
Next.js
Platforms
Web
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Secure headers present
  • No exposed sensitive data in HTML
  • Secure forms with proper input types

Analytics and tracking

Services
Google Tag Manager, Hotjar
Tracking level
moderate
Privacy practices
good

Advertising

Tracking pixels
Hotjar
Marketing tools
Hotjar
Transparency
good

Site quality

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

Key observations

  1. Website is fully accessible with rich content in Icelandic language.
  2. No WHOIS data available from ISNIC for www.syn.is domain, possibly due to privacy or query on subdomain.
  3. Strong branding and consistent design across pages.
  4. Multiple contact forms with structured input fields for home and business customers.
  5. Clear presence of privacy, cookie, and terms of service policies.
  6. Use of modern web technologies and analytics tools.
  7. No signs of malicious or suspicious content.
  8. Company operates multiple media and telecommunications subsidiaries.
  9. Contact phone numbers are clearly labeled and consistent.
  10. No social media links explicitly found in provided HTML content.
Technical notes

Notes

The website is built using modern JavaScript frameworks, primarily React and Next.js, enabling server-side rendering and improved performance. The tech stack includes Webpack for bundling and integrates Google Tag Manager and Hotjar for analytics and user behavior tracking. The site is mobile-optimized with responsive design and uses a custom or headless CMS for content management. Performance is moderate, with room for optimization in loading times and accessibility features. The hosting provider is not explicitly identified. The technical infrastructure supports a professional and scalable digital presence suitable for a large telecommunications and media company.
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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