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Security report for 42matters.com

42matters AG · Technology · Switzerland

Low risk. 1 critical or high finding in GDPR outside view.

Security score

85/100

Risk levelLow

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

42matters AG is a technology company specializing in mobile and connected TV (CTV) app intelligence solutions. Their offerings include a comprehensive app market explorer, APIs for real-time app data access, and bulk file dumps for large-scale data ingestion. Positioned as a leading provider in the app intelligence market, 42matters serves a diverse clientele including ad tech firms, cybersecurity companies, SDK developers, and marketing agencies. The company is part of the Similarweb family, enhancing its market reach and capabilities. Technically, the website is built on a modern Next.js and React framework, hosted on Amazon AWS infrastructure. It employs multiple analytics and marketing tools such as Google Tag Manager, HubSpot, Microsoft Clarity, and Visual Website Optimizer, indicating a mature digital marketing and analytics strategy. Performance is moderate with room for optimization, and mobile responsiveness is good. SEO practices are well implemented with comprehensive metadata and Open Graph tags. From a security perspective, the site uses a valid Amazon-issued SSL certificate but lacks advanced TLS protocol support and security headers like HSTS, DNSSEC, and CAA records. No explicit security or incident response policies are publicly available, which may represent an area for improvement. The cookie consent mechanism is robust and GDPR compliant, reflecting good privacy practices. Overall, 42matters demonstrates a strong market position with excellent content quality and trust indicators. Security posture is adequate but could be enhanced by adopting additional best practices. Strategic recommendations include improving TLS support, enabling DNSSEC, and publishing detailed security policies to bolster trust and compliance.

Scanned

NIS2 and GDPR posture

GDPR outside view
58/ 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

1 finding rated critical or high. Fix these first.

  1. 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

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

Keep watching 42matters.com

This scan found 11 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
85
Security headers
85
Email security
95
DNS health
85
Network security
100
GDPR outside view
58
Average
85

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

42matters operates in the competitive app intelligence market, leveraging its extensive database of mobile and CTV apps and publishers. Its competitive advantages include comprehensive data coverage, integration with multiple app stores, and a suite of products catering to different customer needs. The business model focuses on B2B SaaS and data services, generating revenue through subscriptions and data licensing. Target customers are primarily in ad tech, cybersecurity, marketing, and software development sectors. The recent acquisition by Similarweb positions 42matters for expanded market penetration and resource access. The company maintains a strong partnership ecosystem and demonstrates growth through continuous product updates and customer engagement.

Security posture

The current security maturity level of 42matters is moderate. The website employs a valid SSL certificate but does not support modern TLS versions (TLS 1.2 or 1.3) and lacks critical security headers such as HSTS, DNSSEC, and CAA records. No public security policy or incident response information is available, which could impact customer trust and compliance readiness. The cookie consent framework is well implemented and GDPR compliant, indicating attention to privacy regulations. However, the absence of explicit incident response contacts and vulnerability disclosure policies suggests potential gaps in security governance. The company should prioritize enhancing its security posture to mitigate risks and align with industry best practices.

Recommendations

  1. Enable TLS 1.2 or TLS 1.3 protocols to improve encryption security.
  2. Implement DNSSEC and CAA DNS records to protect DNS integrity and certificate issuance.
  3. Publish a comprehensive security policy and incident response plan accessible to users.
  4. Add security headers such as HSTS, Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options.
  5. Enhance accessibility compliance and mobile performance optimization.
Technical notes

Notes

The website is built on a modern Next.js React framework, hosted on Amazon AWS, leveraging multiple third-party analytics and marketing tools including Google Tag Manager, HubSpot, Microsoft Clarity, and Visual Website Optimizer. The site uses deferred script loading and preconnect hints to optimize resource loading. Performance is moderate with a load time of approximately 3.5 seconds and 87 resources loaded. Mobile optimization is good, though accessibility is basic. SEO is well addressed with comprehensive metadata and Open Graph tags. The technical infrastructure is robust but could benefit from security enhancements and performance tuning to reduce load times and improve user experience.
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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