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Security report for tele2.ee

Tele2 · Telecommunications · Estonia

Medium risk. 4 critical or high findings in Security headers and SSL/TLS.

Security score

70/100

Risk levelMedium

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

Tele2.ee is the official website of Tele2, a well-established telecommunications provider in Estonia founded in 2010. The company offers a wide range of services including mobile packages, mobile internet, TV services, and additional offerings such as mobile payments and smart home devices. The website targets both private and business customers in Estonia, providing a professional and user-friendly digital experience. The site is built on modern web technologies including Next.js and React, ensuring good performance, mobile optimization, and accessibility. Tele2 demonstrates strong privacy compliance with a comprehensive cookie consent mechanism and detailed privacy policy in Estonian, including a clear Data Protection Officer contact. Security posture is robust with HTTPS enforced and no visible vulnerabilities or exposed sensitive data. The domain registration is consistent and trustworthy, supporting the legitimacy of the business. Overall, Tele2.ee presents a professional, secure, and compliant online presence suitable for a major telecom operator.

Scanned

NIS2 and GDPR posture

GDPR outside view
100/ 100 · Low
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

4 findings rated critical or high. Fix these first.

  1. 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';…
  2. 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.

    • High

      Weak Protocols Supported

      Server supports weak protocols: TLSv1.1

      What to do: Disable TLS 1.0, TLS 1.1, and all SSL versions

      • CWE-327
      • OWASP A04:2025
      • ASVS V12.1.1

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

Keep watching tele2.ee

This scan found 23 issues across 5 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
67
Security headers
15
Email security
75
DNS health
65
Network security
100
GDPR outside view
100
Average
70

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 tele2.ee, from OffSeq Breach.

Total records
2,851
Employees
0
Customers
2,851
Third parties
0
Weak passwords
22%

30 subdomains affected

See the 10 newest leaked credentials

A one-off add-on to this report that lists the most recent identifier and password pairs OffSeq Breach holds for tele2.ee.

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Breach keeps ingesting new leaks, so these numbers can grow between scans.

Technical appendix

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

Business context

Business profile

Tele2 holds a significant market position in Estonia's telecommunications sector, offering competitive unlimited packages and a variety of digital services. The business model focuses on direct consumer and business sales through online and physical channels. The website integrates multiple third-party advertising and analytics platforms, indicating a mature marketing ecosystem. The presence of subdomains for call card services and self-service portals reflects a diversified service portfolio. The company maintains transparency in privacy and cookie management, aligning with GDPR requirements. While no explicit terms of service or security policy pages were found, the overall digital footprint suggests a stable and credible operation with room for enhanced security disclosures.

Security posture

The website employs HTTPS with strong SSL configuration and uses cookie consent tools to manage user privacy effectively. Security headers are implied but not explicitly confirmed in the provided data. No critical vulnerabilities or exposed sensitive information were detected in the HTML content. The use of multiple third-party scripts necessitates ongoing security audits to mitigate supply chain risks. Incident response and vulnerability disclosure mechanisms are not publicly visible, representing an area for improvement. The presence of a Data Protection Officer contact indicates compliance with data protection regulations. Overall, the security posture is solid but could benefit from more explicit security documentation and incident response transparency.

Recommendations

  1. Publish a dedicated security policy page outlining security practices and controls.
  2. Implement and publicize a vulnerability disclosure program or security.txt file.
  3. Ensure all security headers (CSP, X-Frame-Options, X-Content-Type-Options) are properly configured and visible.
  4. Enhance visibility of incident response contacts beyond the DPO email.
  5. Regularly review and audit third-party scripts and cookies to minimize privacy and security risks.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Tele2
Description
Piiramatud mobiilipaketid, mobiilne TV, juhtmevaba internet koju ja kontorisse, suurepärane e-pood ja alati soe suhtumine kõigisse era- ja äriklientidesse.
Key services
Mobile packages, Mobile internet, TV services, Additional services like mobile payments and smart home devices
Content quality
good
Branding
consistent

Technology

Stack
React (Next.js framework), JavaScript, CSS modules, Google Tag Manager, Cookiebot, Genesys (customer engagement), Various third-party ad and analytics scripts
Frameworks
Next.js
Platforms
Web
Performance
moderate
Mobile
good
Accessibility
good
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Cookie consent with granular controls
  • No exposed sensitive data in HTML
  • Use of secure session cookies

Analytics and tracking

Services
Google Analytics, Exponea, Cookiebot, Adobe Analytics
Tracking level
extensive
Privacy practices
good

Advertising

Ad networks
Adform, Triplelift, Improve Digital, Casale Media, The Trade Desk, Weborama, Dataxu, Teads
Tracking pixels
Cookiebot, Facebook Pixel, YouTube, Bidswitch, Exponea
Marketing tools
Exponea, Cookiebot
Transparency
good

Site quality

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

Key observations

  1. Comprehensive cookie consent and privacy policy present in Estonian language.
  2. Website uses modern web technologies and frameworks (Next.js, React).
  3. Multiple third-party analytics and advertising integrations detected with proper consent mechanisms.
  4. No visible security or privacy red flags in HTML content or WHOIS data.
  5. No explicit terms of service page found in the provided content.
  6. Contact email for Data Protection Officer is clearly provided.
  7. Website is professionally designed with good accessibility and mobile optimization.
  8. No WAF or blocking mechanisms detected; content fully accessible.
Technical notes

Notes

Tele2.ee is built using modern web technologies, primarily Next.js and React, which provide server-side rendering and improved performance. The site uses CSS modules for styling and integrates several third-party services including Google Tag Manager, Cookiebot for consent management, and Genesys for customer engagement. The website is mobile-optimized and accessible, with clear navigation and structured content. Performance is moderate, likely influenced by multiple external scripts for analytics and advertising. No CMS was explicitly detected, suggesting a custom or proprietary solution. Hosting details are not disclosed. The technical infrastructure supports a professional and scalable online presence but should maintain vigilance on third-party dependencies to avoid technical debt and security risks.
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. 73/100Medium30 findingsView report
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