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Security report for visa.com.br

VISA DO BRASIL EMPREENDIMENTOS LTDA · Finance · Brazil

Medium risk. 4 critical or high findings in DNS health, Email security and 1 other check.

Security score

67/100

Risk levelMedium

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

Visa do Brasil Empreendimentos Ltda operates as a leading provider of digital payment solutions in Brazil, offering credit, debit, prepaid cards, and innovative payment technologies. The website reflects Visa's strong market position as a trusted global brand in financial services, targeting both consumers and businesses. The site is professionally designed, mobile-optimized, and provides comprehensive information about Visa's products, benefits, and community initiatives. Technically, the site uses modern frameworks like Stencil.js, is hosted behind Cloudflare, and integrates advanced analytics and marketing tools such as Google Tag Manager, Tealium, and Optimizely. Security posture is strong with HTTPS, security headers, and cookie consent mechanisms in place, although explicit security policies and incident response details are not published. Overall, the site demonstrates a mature digital presence with high trustworthiness and compliance with privacy regulations.

Scanned

NIS2 and GDPR posture

GDPR outside view
83/ 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. DNS health

    DNS sends visitors and email to the right servers. Misconfigured records can cause outages or let someone redirect your traffic.

    • Critical

      DNS Resolution Failed

      Unable to resolve domain A records

      What to do: Verify domain is properly configured and not expired

  2. Email security

    SPF, DKIM and DMARC stop others sending email that looks like it comes from your domain, a common route to phishing and invoice fraud.

    • High

      No SPF record found

      SPF helps prevent email spoofing

      What to do: Add SPF record: "v=spf1 include:_spf.yourmailprovider.com ~all"

  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
    • High

      Weak SSL Key Length

      SSL certificate uses 256-bit key, which is considered weak

      What to do: Use at least 2048-bit RSA or 256-bit ECC key

      • CWE-326
      • OWASP A04:2025
      • Mozilla TLS: Mozilla Server Side TLS 6.0 intermediate: rsa_key_size 2048

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

Keep watching visa.com.br

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

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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
52
Security headers
75
Email security
50
DNS health
40
Network security
100
GDPR outside view
83
Average
67

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

Visa maintains a dominant position in the Brazilian payments market, leveraging its global brand and extensive product portfolio. The business model focuses on payment processing and enabling digital commerce through credit, debit, and prepaid cards, as well as emerging payment technologies like contactless payments and digital wallets. The website's multilingual and regional links indicate a broad international footprint. Partnerships with benefit providers and fintech innovation centers highlight Visa's ecosystem approach. The company targets a wide audience including individuals, small and medium enterprises, and large corporations. The site content and structure support Visa's strategic goals of inclusion, community support, and sustainability.

Security posture

The website exhibits a high level of security maturity with enforced HTTPS, comprehensive security headers, and a cookie consent mechanism aligned with GDPR requirements. No vulnerabilities or exposed sensitive data were detected in the HTML content. However, the absence of a published security policy, incident response contact, or vulnerability disclosure program represents an area for improvement. The use of third-party scripts and analytics tools is standard but should be regularly audited to mitigate supply chain risks. Overall, Visa's site security posture is robust but could benefit from enhanced transparency and formalized security communication.

Recommendations

  1. Publish a dedicated security policy page outlining security practices and commitments.
  2. Provide clear incident response contact channels such as security@ or abuse@ email addresses.
  3. Implement and publish a vulnerability disclosure policy or security.txt file.
  4. Add direct company contact emails and phone numbers for improved user trust and support.
  5. Regularly review and update third-party scripts and analytics integrations to minimize security risks.

Contact details published on the site

Addresses
Legal name
VISA DO BRASIL EMPREENDIMENTOS LTDA
Registration number
31.551.765/0001-43
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
VISA DO BRASIL EMPREENDIMENTOS LTDA
Description
Conectamos pessoas e empresas de forma segura com nossos cartões Visa de crédito, débito e pagamentos digitais. Descubra a Visa, Vai de Visa e seus benefícios!
Key services
Credit cards, Debit cards, Prepaid cards, Digital payments, Payment technologies
Content quality
excellent
Branding
consistent

Technology

Stack
JavaScript, Stencil.js, Cloudflare, Google Tag Manager, Optimizely, Tealium
Frameworks
Stencil.js
Platforms
Web
Performance
fast
Mobile
excellent
Accessibility
good
SEO
good

Security

Observed score
90/100
Good practices seen
  • HTTPS enforced
  • Cookie consent mechanism
  • Use of security headers
  • No exposed sensitive data in HTML

Analytics and tracking

Services
Google Analytics, Tealium, Optimizely
Tracking level
moderate
Privacy practices
good

Advertising

Ad networks
DoubleClick
Tracking pixels
Tealium, Optimizely
Marketing tools
Tealium, Optimizely
Transparency
good

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 professional, well-structured, and localized for Brazil.
  3. Strong brand presence with consistent Visa branding and logos.
  4. Comprehensive privacy and cookie policies with consent mechanisms.
  5. No direct company emails or phone numbers found in visible content; contact primarily via forms and links.
  6. Use of modern web technologies and analytics tools.
  7. Security headers and HTTPS are properly implemented.
  8. No explicit security policy or incident response information published.
  9. No vulnerability disclosure or security.txt found.
  10. Social media presence on Facebook, LinkedIn, Instagram confirmed.
Technical notes

Notes

The website is built using modern web technologies including Stencil.js for component-based UI, hosted on Cloudflare infrastructure ensuring performance and security. It leverages Adobe Experience Manager CMS inferred from client library paths, enabling robust content management. Performance is optimized with lazy loading, responsive design, and CDN usage. SEO is supported by proper meta tags, canonical links, and structured data in JSON-LD format. Accessibility features such as skip links and ARIA labels are present, enhancing usability. The technical stack is mature and well-maintained, supporting Visa's global digital presence effectively.
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. 73/100Medium28 findingsView report
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