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Security report for oslobors.no

Euronext · Finance · Norway

Low risk. 3 critical or high findings in Security headers, GDPR outside view and 1 other check.

Security score

78/100

Risk levelLow

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

Euronext operates a leading pan-European stock exchange group including the Oslo market, providing comprehensive capital markets infrastructure such as listing, trading, clearing, and data services. The website is professionally designed using Drupal 10, with modern UI components and good mobile optimization. Security posture is strong with HTTPS, security headers, and cookie consent mechanisms, though explicit security policies and incident response contacts are not published. WHOIS data is unavailable, which slightly reduces transparency but the site’s branding and content strongly indicate legitimacy. Overall, the site serves investors, issuers, and market participants with detailed market and regulatory information.

Scanned

NIS2 and GDPR posture

GDPR outside view
68/ 100 · Medium
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

3 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 X-Frame-Options header

      Prevents clickjacking attacks

      What to do: Add "X-Frame-Options: DENY" or "X-Frame-Options: SAMEORIGIN"

  2. GDPR outside view

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

    • 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

  3. 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 oslobors.no

This scan found 18 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
72
Security headers
60
Email security
83
DNS health
85
Network security
100
GDPR outside view
68
Average
78

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 oslobors.no, from OffSeq Breach.

Total records
181
Employees
0
Customers
181
Third parties
0
Weak passwords
11%

4 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 oslobors.no.

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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

Euronext holds a strong market position as a major European exchange operator with subsidiaries across multiple countries. Its business model focuses on providing market infrastructure and services to financial institutions and investors. The website targets professional audiences with detailed sector-focused solutions and regulatory compliance information. The presence of multiple subsidiaries and comprehensive service offerings indicate a large enterprise with a mature partnership ecosystem. Growth is supported by digital services and sector-specific listing solutions.

Security posture

The website demonstrates a mature security posture with enforced HTTPS, modern security headers, and cookie consent compliance. However, the absence of published security policies, incident response information, and vulnerability disclosure reduces transparency. No vulnerabilities or exposed sensitive data were detected in the content. The site would benefit from publishing explicit security and incident response details and providing direct security contact channels to enhance trust and compliance.

Recommendations

  1. Publish a dedicated security policy and incident response page to improve transparency.
  2. Implement and publish a vulnerability disclosure policy or security.txt file.
  3. Provide direct security contact emails such as security@ or abuse@ for incident reporting.
  4. Regularly audit and update third-party libraries to mitigate potential vulnerabilities.
  5. Enhance data protection officer visibility and contact information to support GDPR compliance.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Euronext
Description
Euronext operates multiple European stock exchanges including Oslo Børs, providing listing, trading, clearing, post-trade, and data services. It targets investors, issuers, and market participants with sector-focused listing solutions and comprehensive market infrastructure.
Key services
Listing services, Trading platforms, Clearing and settlement, Data services, Post-trade services
Content quality
excellent
Branding
consistent

Technology

Stack
Drupal 10, Bootstrap Slider, Select2, Line Awesome Icons, Google Tag Manager
Frameworks
Drupal
Performance
moderate
Mobile
good
Accessibility
good
SEO
good

Security

Observed score
90/100
Good practices seen
  • HTTPS enforced
  • Content Security Policy present
  • Cookie consent mechanism
  • No exposed sensitive data in HTML

Analytics and tracking

Services
Google Tag Manager
Tracking level
moderate
Privacy practices
good

Advertising

Transparency
basic

Site quality

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

Key observations

  1. Website is fully accessible with no blocking or WAF challenge.
  2. Content is comprehensive and well-structured for financial market participants.
  3. Strong use of modern web technologies and CMS (Drupal 10).
  4. Good privacy and cookie compliance with visible consent mechanisms.
  5. No direct contact emails or phone numbers found; contact primarily via forms.
  6. No explicit security or incident response policies published.
  7. WHOIS data is missing or unavailable, which slightly impacts trust.
  8. No adult or questionable content detected; content is safe for general audiences.
Technical notes

Notes

The website is built on Drupal 10, leveraging modern front-end libraries such as Bootstrap Slider and Select2, and uses Google Tag Manager for analytics. The site is mobile optimized with responsive design and good accessibility features. Performance is moderate, with extensive CSS assets loaded. The technical stack is modern and well-maintained, though hosting provider details are not disclosed. SEO is supported by proper meta tags and structured data (JSON-LD BreadcrumbList). There is opportunity to optimize asset loading and improve hosting transparency.
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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