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Security report for lihas.net

LiHAS - Linux Haus Stuttgart · Technology · Germany

Medium risk. 6 critical or high findings in GDPR outside view, Security headers and 1 other check.

Security score

63/100

Risk levelMedium

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

LiHAS - Linux Haus Stuttgart is a small technology service provider specializing in Linux-based IT infrastructure solutions. With over 20 years of experience, they offer a range of services including VPN solutions, cluster systems, mail servers, groupware, and learning platforms. Their market position is that of a niche expert focused on open-source and Linux technologies, primarily serving businesses seeking secure and stable IT environments. The website is professionally designed using Bootstrap and jQuery, providing good user experience and clear navigation, though it lacks advanced SEO and accessibility features. Security posture is moderate with no visible vulnerabilities but missing key security headers and policies. Privacy compliance is limited, with no cookie consent mechanism and only a basic privacy policy present. Overall, the website is trustworthy but could improve in security and compliance transparency.

Scanned

NIS2 and GDPR posture

GDPR outside view
28/ 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

6 findings 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.

    • Critical

      EU business without adequate privacy measures

      EU businesses are subject to strict GDPR requirements

      What to do: Implement comprehensive GDPR compliance including privacy policy, cookie consent, and data protection measures

    • 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

  2. 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 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';…

  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

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

Keep watching lihas.net

This scan found 25 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

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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
55
Email security
70
DNS health
70
Network security
100
GDPR outside view
28
Average
63

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

LiHAS operates in the technology sector, focusing on Linux and open-source IT infrastructure services. Their business model centers on consulting, installation, configuration, and ongoing support for Linux-based systems. The company targets small to medium-sized enterprises and organizations requiring reliable and secure server and network solutions. Their competitive advantage lies in their long-standing experience and specialization in open-source technologies. The website indicates a stable partnership ecosystem and a clear service portfolio but lacks visible certifications or formal trust seals. Growth indicators are not explicit, and no parent or subsidiary companies are mentioned.

Security posture

The security maturity level of LiHAS's website is moderate. While no critical vulnerabilities or exposed sensitive data were detected, the absence of security headers, incident response policies, and vulnerability disclosure mechanisms indicates room for improvement. The website uses HTTPS (assumed but not confirmed from data), but no cookie consent or GDPR compliance mechanisms are evident. Incident response readiness and security culture indicators are not publicly documented. Overall, the security posture is adequate for informational purposes but should be enhanced to meet higher compliance and trust standards.

Recommendations

  1. Implement a cookie consent banner to comply with GDPR and improve privacy transparency.
  2. Publish explicit security policies and incident response procedures to enhance trust and preparedness.
  3. Add security headers such as Content-Security-Policy, X-Frame-Options, and Strict-Transport-Security.
  4. Ensure HTTPS is enforced with strong SSL/TLS configurations and display security seals if applicable.
  5. Create a vulnerability disclosure policy and host a security.txt file to facilitate responsible reporting.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
LiHAS - Linux Haus Stuttgart
Description
LiHAS offers over 20 years of experience in planning, building, and operating reliable and secure server and network infrastructures, primarily using free software and the Linux operating system. They provide comprehensive software and system services around Linux, including database, email, and file servers.
Key services
VPN solutions (OpenVPN), Cluster systems, Mail servers, Groupware, System monitoring, Operating system rollouts, Telephone systems, Software distribution, Learning platforms
Content quality
good
Branding
consistent

Technology

Stack
HTML5, Bootstrap, jQuery, JavaScript
Frameworks
Bootstrap
Performance
moderate
Mobile
good
Accessibility
basic
SEO
basic

Security

Observed score
60/100
Good practices seen
  • No exposed sensitive data in HTML
  • No visible vulnerable libraries

Analytics and tracking

Tracking level
minimal
Privacy practices
poor

Advertising

Transparency
poor

Site quality

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

Key observations

  1. Website is fully accessible with no blocking or WAF challenges.
  2. Content is primarily in German with some English elements.
  3. No privacy or cookie consent banners detected despite GDPR relevance.
  4. No forms detected on the homepage; contact is via email and phone links.
  5. No social media links found in the HTML content.
  6. Use of Bootstrap and jQuery indicates a standard modern frontend stack.
  7. No analytics or tracking scripts detected.
  8. Contact information is clearly presented in the navigation bar.
  9. No explicit security or incident response policies published.
  10. No terms of service or vulnerability disclosure pages found.
Technical notes

Notes

The website uses a standard modern frontend stack with Bootstrap and jQuery, ensuring responsive design and basic accessibility. Performance is moderate with no heavy scripts or analytics detected, which benefits loading times. However, SEO optimization is basic, lacking advanced meta tags or structured data. No CMS or hosting provider information is evident. The site does not use tracking or marketing tools, indicating a privacy-conscious approach but also limited digital marketing maturity. Technical debt appears low, but modernization opportunities include adding structured data, improving accessibility, and enhancing security configurations.
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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