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Security report for stackit.cloud

STACKIT · Technology · Germany

Medium risk. 4 critical or high findings in Security headers and SSL/TLS.

Security score

75/100

Risk levelMedium

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

STACKIT is a German cloud service provider offering enterprise-grade cloud infrastructure, colocation, and managed solutions with a strong emphasis on data sovereignty and GDPR compliance. The company positions itself as a trusted partner for businesses seeking EU-secure cloud services. The website demonstrates a mature digital presence built on WordPress, integrating modern SEO and privacy tools such as Rank Math and OneTrust. Security posture is robust with HTTPS enforcement, security headers, and cookie consent mechanisms, although explicit security policies and incident response contacts are not publicly detailed. Overall, the site reflects a professional and trustworthy cloud service provider with a clear focus on compliance and customer trust.

Scanned

NIS2 and GDPR posture

GDPR outside view
100/ 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. 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
    • 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 stackit.cloud

This scan found 20 issues across 5 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
52
Security headers
40
Email security
85
DNS health
70
Network security
100
GDPR outside view
100
Average
75

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 stackit.cloud, from OffSeq Breach.

Total records
28
Employees
0
Customers
28
Third parties
0
Weak passwords
7%

4 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 stackit.cloud.

Select it in the checkout above.

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

STACKIT targets medium to large enterprises in Germany and the EU, focusing on sectors requiring high data security such as finance, healthcare, and public sector. Their business model revolves around cloud infrastructure services, consulting, and managed cloud solutions. The company leverages certifications like ISO 27001 to build trust and differentiate itself in the competitive cloud market. The presence of a dedicated marketplace and consulting services indicates a diversified revenue stream and a strategic approach to customer engagement. The website's content and structure support clear navigation for various industry verticals, enhancing market positioning.

Security posture

The website employs strong security measures including HTTPS, comprehensive security headers, and a default-deny cookie consent configuration. The use of OneTrust for GDPR compliance and Google Tag Manager for analytics is well managed with privacy in mind. No vulnerabilities or exposed sensitive data were detected in the HTML content. However, the absence of a dedicated security policy or incident response page limits transparency in security governance. There is no security.txt file or explicit vulnerability disclosure program, which could be improved to enhance security maturity and customer confidence.

Recommendations

  1. Publish a dedicated security policy page outlining security practices and controls.
  2. Provide explicit incident response contact information, such as security@ or abuse@ email addresses.
  3. Implement and publish a security.txt file to facilitate responsible vulnerability disclosure.
  4. Enhance accessibility features to improve compliance and user experience for all users.
  5. Regularly audit third-party scripts and plugins to ensure no vulnerabilities are introduced.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
STACKIT
Description
STACKIT offers powerful cloud solutions and colocation services focused on simplicity, EU data security, and stability.
Key services
Cloud infrastructure, Colocation services, Managed cloud solutions, Consulting & engineering, Cloud migration
Content quality
good
Branding
consistent

Technology

Stack
WordPress, jQuery, Google Tag Manager, OneTrust Cookie Consent
Frameworks
Rank Math SEO plugin
Platforms
WordPress CMS
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Cookie consent with default denial of ad and analytics storage
  • Use of OneTrust for GDPR compliance
  • No exposed sensitive data in HTML
  • No vulnerable libraries detected

Analytics and tracking

Services
Google Tag Manager
Tracking level
minimal
Privacy practices
good

Advertising

Marketing tools
Rank Math SEO
Transparency
good

Site quality

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

Key observations

  1. Website is fully accessible with no blocking or WAF challenges.
  2. Strong focus on GDPR compliance and EU data sovereignty.
  3. Use of professional cookie consent management and SEO tools.
  4. No direct contact emails or phone numbers found on homepage; contact via dedicated contact page.
  5. No explicit security policy or incident response page found.
  6. Website uses WordPress CMS with modern plugins and scripts.
  7. No suspicious or malicious content detected.
Technical notes

Notes

The website is built on WordPress CMS with modern plugins such as Rank Math for SEO and OneTrust for cookie consent management. The tech stack includes jQuery and Google Tag Manager for analytics. Hosting appears stable with domain name servers linked to Deutsche Telekom infrastructure. Performance is moderate with good mobile optimization and SEO practices. Accessibility is basic and could be improved. The site uses structured data (JSON-LD) for organization and webpage metadata, enhancing search engine understanding. No technical debt or outdated libraries were detected, indicating good maintenance practices.
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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