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Security report for nosto.com

Nosto · Technology · N/a

Medium risk. 8 critical or high findings in Security headers, GDPR outside view and 1 other check.

Security score

65/100

Risk levelMedium

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

Nosto is a technology company specializing in AI-powered commerce experience management, offering services such as personalization, merchandising, and site search tailored for e-commerce businesses. The company positions itself as a leading intelligent commerce experience platform with a professional and well-structured website that effectively targets its audience. Technically, the website is built on WordPress, leveraging modern web technologies including Typekit fonts, Google Fonts, Swiper.js for UI components, and Marketo for marketing forms, demonstrating a mature digital infrastructure with good SEO and mobile optimization. Security-wise, the site enforces HTTPS, employs standard security headers, and integrates secure forms, but lacks publicly available detailed security policies or incident response information, which could be improved to enhance trust and compliance. Overall, the website is professional, secure, and compliant with privacy regulations, though the absence of WHOIS registration data slightly reduces domain trustworthiness. Strategic recommendations include publishing explicit security and incident response policies and adding vulnerability disclosure mechanisms to strengthen security posture and transparency.

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

8 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 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. 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

    • 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

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

Keep watching nosto.com

This scan found 23 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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Recommended

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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
52
Security headers
30
Email security
80
DNS health
90
Network security
100
GDPR outside view
35
Average
65

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

Nosto operates in the technology and e-commerce sectors, providing AI-driven SaaS solutions that enhance online retail experiences. Its business model focuses on B2B services, targeting e-commerce businesses seeking to improve customer engagement through personalization and merchandising. The company maintains a consistent brand presence and leverages social media channels for outreach. While the website content and structure indicate a medium-sized enterprise with a strong market position, the lack of publicly available company registration and domain ownership details suggests a need for improved transparency. The partnership ecosystem is not explicitly detailed on the site, but integrations with marketing and analytics tools indicate a modern approach to customer acquisition and retention.

Security posture

The website demonstrates a solid security foundation with HTTPS enforcement and multiple security headers, reducing common web vulnerabilities. The use of secure third-party marketing tools like Marketo and Google Tag Manager is appropriate, though the absence of a published security policy or incident response plan limits insight into the company's readiness for security incidents. No vulnerabilities or exposed sensitive data were detected in the HTML content. Compliance with GDPR is indicated through privacy and cookie policies with consent mechanisms. To elevate security maturity, the company should consider publishing detailed security policies, incident response contacts, and vulnerability disclosure programs.

Recommendations

  1. Publish a comprehensive security policy and incident response plan accessible from the website footer or legal section.
  2. Implement and publicize a vulnerability disclosure program or security.txt file to encourage responsible reporting.
  3. Provide contact information for a Data Protection Officer or security team to enhance compliance and trust.
  4. Enhance transparency by ensuring WHOIS domain registration data is complete and publicly accessible.
  5. Regularly audit third-party scripts and marketing tools to minimize potential security risks and improve privacy compliance.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Nosto
Description
Smarter commerce experience management with AI-fueled personalization, merchandising, and site search
Key services
AI personalization, Merchandising, Site search
Content quality
excellent
Branding
consistent

Technology

Stack
JavaScript, Typekit fonts, Google Fonts, Swiper.js, Marketo Forms, Yoast SEO plugin
Frameworks
WordPress
Platforms
Web
Performance
fast
Mobile
excellent
Accessibility
good
SEO
excellent

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Use of security headers
  • No exposed sensitive data in HTML
  • Secure forms with Marketo integration

Analytics and tracking

Services
Google Tag Manager
Tracking level
moderate
Privacy practices
good

Advertising

Marketing tools
Marketo Forms
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 challenges.
  2. Content is professionally presented and targeted at e-commerce businesses.
  3. Strong SEO and structured data usage.
  4. No explicit security or incident response policies published.
  5. WHOIS data missing, which reduces trustworthiness slightly.
  6. Use of modern web technologies and marketing tools.
  7. No adult or questionable content detected.
Technical notes

Notes

The website is built on WordPress CMS, utilizing modern front-end technologies such as Swiper.js for interactive components and Typekit and Google Fonts for typography. It integrates Marketo forms for lead capture and Google Tag Manager for analytics, indicating a well-rounded marketing technology stack. The site is optimized for performance and mobile responsiveness, with good SEO practices including meta tags, Open Graph, and JSON-LD structured data. Accessibility features are present but could be further enhanced. Hosting details are not explicitly identified, but the site uses CDN services for fonts and scripts. Overall, the technical infrastructure supports a professional and scalable online presence with opportunities to improve transparency and security documentation.
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. 62/100Medium32 findingsView report
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