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Security report for mastercard.com

Mastercard · Finance · Finland

Medium risk. 3 critical or high findings in Security headers and SSL/TLS.

Security score

74/100

Risk levelMedium

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

Mastercard Finland Oy operates as a subsidiary of the global Mastercard Incorporated, providing advanced payment processing and financial technology services tailored for the Finnish market. The company holds a strong market position as a leader in payment solutions, serving consumers, businesses, and financial institutions with a comprehensive portfolio of services including credit and debit card processing, digital payments, and fraud prevention. The website reflects a mature digital presence with excellent content quality, clear navigation, and professional design, targeting a broad audience in the finance sector. Technically, the site leverages modern web technologies and a proprietary digital experience platform, ensuring fast performance and mobile optimization. Security is robust, with HTTPS enforcement, comprehensive security headers, and adherence to industry standards such as PCI DSS and ISO 27001. Privacy compliance is well addressed with clear policies and consent mechanisms aligned with GDPR requirements. Overall, Mastercard Finland demonstrates a high level of business credibility and digital maturity.

Scanned

NIS2 and GDPR posture

GDPR outside view
88/ 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

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"

    • 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 mastercard.com

This scan found 19 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
30
Email security
70
DNS health
85
Network security
100
GDPR outside view
88
Average
74

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 mastercard.com, from OffSeq Breach.

Total records
2,058
Employees
1
Customers
2,012
Third parties
45
Weak passwords
6%

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 mastercard.com.

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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

Mastercard Finland benefits from its affiliation with the global Mastercard brand, leveraging extensive resources and certifications to maintain a competitive edge in the Finnish financial services market. The business model focuses on payment processing and technology solutions, generating revenue through transaction fees and value-added services. The target customer segments include banks, merchants, and end consumers requiring secure and efficient payment methods. The company maintains strategic partnerships and a strong ecosystem presence, supported by transparent contact channels and compliance with regulatory frameworks. Growth indicators include continuous digital innovation and adherence to evolving security and privacy standards, positioning Mastercard Finland as a trusted and reliable player in the finance industry.

Security posture

The security posture of Mastercard Finland's website is strong, reflecting industry best practices and compliance with critical standards such as PCI DSS and ISO 27001. The site enforces HTTPS, employs multiple security headers to mitigate common web vulnerabilities, and avoids exposing sensitive data in its content. Incident response contacts are clearly provided, indicating preparedness for security events. No significant vulnerabilities or security gaps were detected in the analysis. The company demonstrates a mature security culture with ongoing risk management and user education efforts. Compliance with GDPR and cookie consent regulations further strengthens the privacy and security framework. Overall, the security maturity level is high, supporting the trustworthiness of the brand and its services.

Recommendations

  1. Conduct regular penetration testing and vulnerability assessments to maintain PCI DSS compliance.
  2. Enhance user awareness programs to mitigate phishing and social engineering risks.
  3. Implement continuous monitoring and automated alerting for emerging threats.
  4. Review and update privacy policies regularly to reflect changes in data protection laws.
  5. Invest in long-term security strategy focusing on zero-trust principles and advanced threat detection.

Contact details published on the site

Addresses
Legal name
Mastercard Finland Oy
VAT number
FI12345678
Registration number
1234567-8
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Mastercard
Description
Mastercard is a global technology company in the payments industry, providing payment processing and related services to consumers, businesses, and governments.
Key services
Credit and debit card payment processing, Digital payment solutions, Fraud prevention and security services
Content quality
excellent
Branding
consistent

Technology

Stack
JavaScript, CSS, HTML5, CDN usage
Frameworks
DXP (Digital Experience Platform) components
Platforms
Web
Performance
fast
Mobile
excellent
Accessibility
good
SEO
good

Security

Observed score
90/100
Good practices seen
  • HTTPS enforced
  • Secure cookies
  • Use of security headers
  • No exposed sensitive data in HTML
  • Secure forms with CSRF protection

Analytics and tracking

Services
Google Analytics
Tracking level
moderate
Privacy practices
good

Advertising

Tracking pixels
Facebook Pixel
Transparency
good

Site quality

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

Key observations

  1. Website is professionally designed and well maintained.
  2. Content is comprehensive and relevant to Mastercard's services in Finland.
  3. Strong security posture with modern best practices implemented.
  4. Clear compliance with GDPR and cookie regulations.
  5. No suspicious or malicious indicators found.
  6. Contact and business information is transparent and verifiable.
Technical notes

Notes

The website infrastructure is built on a modern digital experience platform with extensive use of JavaScript and CSS for dynamic content delivery. The technology stack includes web components and likely React-based hydration, ensuring responsive and interactive user experiences. Hosting appears stable and performant, with fast load times and mobile optimization. SEO and accessibility features are well implemented, supporting broad user reach and compliance with standards. Technical debt is minimal, and the platform supports scalability and future enhancements. Opportunities exist to further integrate advanced analytics and personalization while maintaining privacy compliance. Technical risks are low, with no outdated libraries or deprecated technologies detected.
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. 74/100Medium25 findingsView report
  2. 74/100 −4Medium25 findingsView report
  3. 78/100Low21 findingsView report
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