STRATO GmbH · Technology · Netherlands
Medium risk. 2 critical or high findings in Security headers and Email security.
STRATO GmbH is a well-established technology company specializing in domain registration, web hosting, email services, website building, cloud storage, and online marketing tools primarily serving the Dutch market. The company is recognized for its strong market position, evidenced by awards such as the MT1000 Best Hosting Company 2024 and certifications including ISO 27001. STRATO operates under the parent company Cronon GmbH and emphasizes climate-friendly hosting with data centers located exclusively in the EU. Technically, the website leverages modern technologies including the Strapi CMS, JavaScript frameworks, and integrates analytics and marketing tools such as Google Tag Manager, Mouseflow, and Kameleoon. The site is fast, mobile-optimized, accessible, and SEO-friendly, reflecting a mature digital infrastructure. From a security perspective, STRATO demonstrates a robust posture with enforced HTTPS, ISO 27001 certification, GDPR compliance, and a comprehensive cookie consent mechanism. No critical vulnerabilities or exposed sensitive data were detected. However, the site could improve transparency by publishing a vulnerability disclosure policy and incident response contacts. Overall, STRATO presents a low-risk profile with strong business credibility, technical maturity, and compliance adherence. Strategic recommendations include enhancing security transparency and incident response readiness to further strengthen trust and resilience.
Scanned
NIS2 Art. 21(2)
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.
2 findings rated critical or high. Fix these first.
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.
Controls resources the browser is allowed to load
What to do: Implement a Content-Security-Policy appropriate for your application
SPF, DKIM and DMARC stop others sending email that looks like it comes from your domain, a common route to phishing and invoice fraud.
SPF helps prevent email spoofing
What to do: Add SPF record: "v=spf1 include:_spf.yourmailprovider.com ~all"
Need hands-on remediation? Email guard@offseq.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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Each check with its score, findings and the evidence it collected.
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
Not counted
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.
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
Leaked credentials and lookalike domains from OffSeq Breach. The counts are free; the detailed lists are paid add-ons.
Leaked records that mention strato.nl, from OffSeq Breach.
12 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 strato.nl.
Select it in the checkout above.
Breach keeps ingesting new leaks, so these numbers can grow between scans.
Business context, site observations and technical notes gathered during the scan, and the standards behind each reference.
Automated reading of the public site. Ratings are indicative.
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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