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Is gl-systemhaus.de a Scam? Security Check Results - G&L Geißendörfer & Leschinsky GmbH

gl-systemhaus.de Security Report Summary

gl-systemhaus.de received a security score of 72 out of 100 in Guard's comprehensive security analysis, classified as "Moderate Risk". This report covers G&L Geißendörfer & Leschinsky GmbH's website security posture. G&L Geißendörfer & Leschinsky GmbH operates in the Media industry in Germany.

G&L Geißendörfer & Leschinsky GmbH is a well-established managed service provider specializing in streaming media delivery, offering live and on-demand audio and video services. With over two decades of experience, the company serves major German broadcasters, government agencies, and event organizers, positioning itself as a trusted partner in the media technology sector. Their key services include live and VoD streaming, CDN services, media delivery, system integration, software development, and 24/7 support. The company leverages partnerships with industry leaders such as Akamai and AWS to enhance its service offerings. Technically, the website is built on a modern stack including Bootstrap, jQuery, Font Awesome, and HubSpot CMS, ensuring good performance, mobile optimization, and accessibility. The presence of a comprehensive cookie consent mechanism and GDPR-compliant privacy policy reflects a mature approach to privacy and compliance. Hosting appears to be supported by Cloudflare, enhancing security and performance. Security-wise, the company demonstrates a strong posture with ISO 27001 certification prominently displayed, HTTPS enforced, and cookie consent management in place. However, explicit security headers are not detected, and no public incident response or vulnerability disclosure information is available, suggesting areas for improvement. No vulnerabilities or suspicious content were identified. Overall, the website and business present a professional, trustworthy, and secure image with high content quality and compliance standards. Strategic recommendations include enhancing security headers, publishing incident response contacts, and establishing a vulnerability disclosure policy to further strengthen security and trust.

The security scan identified 25 findings across security headers, SSL/TLS, DNS health, email security, GDPR compliance, and NIS2 compliance analysis modules.

Technologies detected: Bootstrap 4, jQuery, Font Awesome 6, HubSpot CMS and analytics, CookieYes consent management.

About this security scan

Guard performs automated security assessments of websites by analyzing SSL/TLS certificates, HTTP security headers, DNS configuration, email authentication protocols (SPF, DKIM, DMARC), GDPR compliance indicators, NIS2 directive compliance, network exposure, and AI-powered business intelligence. Each report provides domain-specific findings, risk scores, and actionable recommendations.

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Is gl-systemhaus.de Safe? Security Analysis for G&L Geißendörfer & Leschinsky GmbH

https://gl-systemhaus.de

Check if gl-systemhaus.de is a scam or legitimate. Free security scan and reviews.

MediaGermanymedium
Bootstrap 4jQueryFont Awesome 6HubSpot CMS and analyticsCookieYes consent management
Analyzed 10/10/2025Completed 9:29:13 PM5mo ago
72
Security Score
MEDIUM RISK

Above Media avg (58)

10,000+

Domains scanned

500+

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Domaingl-systemhaus.de
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SEQ SIA

Lastadijas 12 k-3, Riga, Latvia, LV-1050

Reg. No. 40203410806 • VAT LV40203410806

Support: guard@offseq.com+371 2256 5353

AI Summary

G&L Geißendörfer & Leschinsky GmbH is a well-established managed service provider specializing in streaming media delivery, offering live and on-demand audio and video services. With over two decades of experience, the company serves major German broadcasters, government agencies, and event organizers, positioning itself as a trusted partner in the media technology sector. Their key services include live and VoD streaming, CDN services, media delivery, system integration, software development, and 24/7 support. The company leverages partnerships with industry leaders such as Akamai and AWS to enhance its service offerings. Technically, the website is built on a modern stack including Bootstrap, jQuery, Font Awesome, and HubSpot CMS, ensuring good performance, mobile optimization, and accessibility. The presence of a comprehensive cookie consent mechanism and GDPR-compliant privacy policy reflects a mature approach to privacy and compliance. Hosting appears to be supported by Cloudflare, enhancing security and performance. Security-wise, the company demonstrates a strong posture with ISO 27001 certification prominently displayed, HTTPS enforced, and cookie consent management in place. However, explicit security headers are not detected, and no public incident response or vulnerability disclosure information is available, suggesting areas for improvement. No vulnerabilities or suspicious content were identified. Overall, the website and business present a professional, trustworthy, and secure image with high content quality and compliance standards. Strategic recommendations include enhancing security headers, publishing incident response contacts, and establishing a vulnerability disclosure policy to further strengthen security and trust.

Detected Technologies

Bootstrap 4jQueryFont Awesome 6HubSpot CMS and analyticsCookieYes consent management

6 urgent findings need attention

6 high

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Security drift alerts

Risk score drops, new high-severity issues, and header hardening gaps

Compliance watch

GDPR / NIS2 posture changes with governance evidence snapshots

Infrastructure surface

Unexpected open services, SSL expiry, DNS & email authentication changes

Content & tracker intelligence

Marketing tech shifts, analytics drift, and AI recommendation updates

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Security Headers

7 findings

40/100

GDPR Compliance

2 findings

83/100

NIS2 Compliance

8 findings

17/100

Email Security

No critical findings yet

100/100

🧠AI Business Intelligence

Technology stack, business insights, and market analysis powered by AI.

Business Intelligence

Market & Strategic Analysis

G&L operates in the media and technology sectors as a system integrator and managed service provider focused on streaming media. Their market positioning is strong within Germany, supported by long-term relationships with major broadcasters and government clients. The business model centers on providing end-to-end streaming solutions, including infrastructure, software, and support services. Revenue streams likely derive from service contracts, software development, and support agreements. The target customer segments include broadcasters, event organizers, and governmental agencies requiring reliable streaming solutions. The partnership ecosystem is robust, featuring top-tier technology providers such as Akamai, AWS, and Bitmovin, which enhances their competitive advantage. The company exhibits growth indicators through active content updates, events, and webinars. Strategic observations highlight a focus on digital sovereignty and sustainable streaming workflows, aligning with current industry trends.

Extracted Contact Information

Marketing Intelligence Data

Security Posture Analysis

Comprehensive Security Assessment

The security maturity level of G&L is solid, evidenced by ISO 27001 certification and enforced HTTPS. The website employs cookie consent management compliant with GDPR, indicating good data protection practices. No exposed sensitive data or vulnerable libraries were detected. However, the absence of explicit security headers like Content Security Policy (CSP), HSTS, and X-Frame-Options suggests room for improvement. There is no public incident response or abuse contact information, which could hinder timely handling of security incidents. No vulnerability disclosure or security.txt file is present, limiting transparency for security researchers. Overall, the security culture appears professional but could benefit from enhanced transparency and technical hardening.

Strategic Recommendations

Priority Actions for Security Improvement

1

Implement and enforce security headers such as CSP, HSTS, and X-Frame-Options to mitigate common web vulnerabilities.

Observations

AI-powered comprehensive website and business analysis.

AI-Enhanced Website Analysis

Business Insights

Company:

G&L Geißendörfer & Leschinsky GmbH

Description:

Managed Service Provider for streaming media enabling fast and reliable availability of audio and video content live and on demand, with 24/7 worldwide support.

Key Services:
Live and VoD StreamingCDN ServicesMedia DeliverySystem IntegrationSoftware Development24/7 SupportEvent Streaming
Content Quality:

excellent

Branding:

consistent

Technical Stack

Technologies:
Bootstrap 4jQueryFont Awesome 6HubSpot CMS and analyticsCookieYes consent management
Frameworks:
Bootstrap
Platforms:
HubSpot
Performance:

moderate

Mobile:

good

Accessibility:

good

SEO:

good

Security Assessment

Security Score:
85/100
Best Practices:
  • HTTPS enforced
  • Cookie consent management
  • ISO 27001 certification

Analytics & Tracking

Services:
HubSpot AnalyticsGoogle Analytics (implied by cookies)
Tracking Level:moderate
Privacy Compliance:good

Advertising & Marketing

Ad Networks:
HubSpot Ads Pixel
Tracking Pixels:
HubSpotCookieYes
Marketing Tools:
HubSpotCookieYes
Transparency Level:good

Website Quality Assessment

Design Quality:excellent
User Experience:excellent
Content Relevance:excellent
Navigation Clarity:excellent
Professionalism:excellent
Trustworthiness:high

Key Observations

1

Website is fully accessible with no blocking or WAF challenges.

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🛡️Security Headers

HTTP security headers analysis and recommendations.

Security Headers

HTTP security headers analysis

40/100
Score

Weak Strict-Transport-Security configuration

LOW

Current value: "max-age=3628800; includeSubDomains; preload"

Missing X-Frame-Options header

HIGH

Prevents clickjacking attacks

Missing X-Content-Type-Options header

MEDIUM

Prevents MIME type sniffing

Missing X-XSS-Protection header

MEDIUM

Legacy XSS protection (deprecated but still recommended)

Weak Referrer-Policy configuration

LOW

Current value: "no-referrer-when-downgrade"

Missing Permissions-Policy header

MEDIUM

Controls browser features and APIs

Sensitive data may be cached

LOW

Cache-Control header should include "no-store" for sensitive pages

👤GDPR Compliance

Privacy and data protection assessment under GDPR regulations.

GDPR Compliance

Privacy and data protection assessment

83/100
Score

No Data Protection Officer mentioned

LOW

Large organizations may need to designate a DPO under GDPR

Privacy policy may not be GDPR compliant

MEDIUM

Privacy policy lacks explicit GDPR compliance elements

GDPR Compliance Analysis

Privacy Policy85% confidence
Cookie Policy85% confidence
Contact Information Found90% confidence
emailphone

🛡️NIS2 Compliance

Network & Information Security Directive compliance assessment.

NIS2 Compliance

Network & Information Security Directive

17/100
Score

No information security framework found

HIGH

NIS2 requires documented cybersecurity and information security measures

No vulnerability disclosure policy

MEDIUM

NIS2 encourages coordinated vulnerability disclosure

No security policy documentation found

HIGH

NIS2 requires documented cybersecurity governance and risk management

No incident response procedures found

HIGH

NIS2 requires documented incident response and business continuity plans

No business continuity planning found

MEDIUM

NIS2 emphasizes operational resilience and business continuity

No security contact information

HIGH

NIS2 requires clear incident reporting channels

No vulnerability reporting mechanism

MEDIUM

Clear vulnerability reporting supports coordinated disclosure

No NIS2 reference found

LOW

Consider explicitly mentioning NIS2 compliance efforts

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📧Email Security

SPF, DKIM, and DMARC validation and email security assessment.

Email Security

SPF, DKIM, and DMARC validation

100/100
Score
No issues found
SPF
Sender Policy Framework
DKIM
DomainKeys Identified Mail
DMARC
Domain-based Message Authentication
MX Records
Mail Exchange Records
BIMI
Brand Indicators
MTA-STS
Mail Transfer Agent Security
TLS-RPT
TLS Reporting
DNSSEC
DNS Security
SPF Details
Record:
v=spf1 include:_spf.google.com include:sendgrid.net include:mail.zendesk.com include:2831296.spf08.hubspotemail.net ip4:78.35.11.0/24 ip4:89.1.38.64/29 ip4:89.1.36.64/26 -all
DNS Lookups:4/10
Policy:-all
DKIM Selectors Found
Selector:google(1296-bit rsa)
Selector:s1(1440-bit rsa)
DMARC Details
Policy:quarantine
Aggregate Reports:admin@gl-systemhaus.de
MTA-STS Details
Mode:enforce
Max Age:14 days

🏆SSL/TLS Security

Certificate validity and encryption analysis.

SSL/TLS Security

Certificate validity and encryption analysis

75/100
Score

SSL Certificate Expires Within 90 Days

MEDIUM

SSL certificate expires in 55 days

Weak SSL Key Length

HIGH

SSL certificate uses 256-bit key, which is considered weak

Partial SSL/TLS Assessment

LOW

Completed 2 of 4 security checks due to time constraints

Certificate Details

Subject:2a2a1251.sni.cloudflaressl.com
Issuer:WE1
Valid Until:12/5/2025 (55 days)
SANs:2a2a1251.sni.cloudflaressl.com, www.gl-systemhaus.de

OCSP Status

OCSP Stapling Disabled

📊DNS Health

DNS configuration and security assessment.

DNS Health

DNS configuration and security assessment

70/100
Score

DNSSEC Not Enabled

MEDIUM

DNSSEC is not configured for this domain

CAA Records Not Configured

LOW

Certificate Authority Authorization (CAA) records not found

Domain Transfer Lock Not Enabled

MEDIUM

Domain can be transferred without authorization

Domain Delete Lock Not Enabled

LOW

Domain can be deleted without additional verification

Domain Registration Details

Protection Level
none
Suspicious Indicators Detected
  • No domain protection locks enabled

DNS Records

A Records:23.42.216.17
Name Servers:
dns1.p08.nsone.net
dns2.p08.nsone.net
dns3.p08.nsone.net
dns4.p08.nsone.net
MX Records:
1: aspmx.l.google.com
10: aspmx3.googlemail.com
5: alt2.aspmx.l.google.com
5: alt1.aspmx.l.google.com
10: aspmx2.googlemail.com
SOA:Serial: 1648197388, TTL: 300s

DNSSEC Status

DNSSEC Not Enabled

DNS Performance

Resolution Time:70ms

SPF Analysis

SPF Record:
v=spf1 include:_spf.google.com include:sendgrid.net include:mail.zendesk.com include:2831296.spf08.hubspotemail.net ip4:78.35.11.0/24 ip4:89.1.38.64/29 ip4:89.1.36.64/26 -all

Network Security

Port scanning and network exposure analysis.

Network Security

Port scanning and network exposure analysis

100/100
Score

Good Network Security Posture

LOW

No unnecessary services detected on common risky ports

How does gl-systemhaus.de compare?

See how gl-systemhaus.de stacks up against similar websites in the same industry.

🔧Technical Analysis

Detailed technical findings and analysis from AI assessment.

Technical Analysis

Comprehensive security assessment findings

Additional Findings

The website is built on a modern and widely supported technology stack including Bootstrap 4 for responsive design, jQuery for DOM manipulation, and Font Awesome 6 for icons. It is hosted on a platform leveraging Cloudflare services, providing CDN and security benefits. The CMS is HubSpot, which integrates analytics, marketing, and consent management tools. Performance is moderate with room for optimization, but mobile responsiveness and accessibility are well addressed. SEO practices are good with proper meta tags and Open Graph data. The use of CookieYes for cookie consent ensures compliance with privacy regulations. Technical risks are minimal, but the lack of some security headers and incident response information could impact operational security and trust.
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PDF Report & Export

PDF download, email delivery, unlock code

39.90 €one-time • Incl. 21% VAT

Marketing Intelligence

Contact emails, phone numbers & warm leads

49.90 €one-time • Incl. 21% VAT

Plan Comparison

FeaturePDF ReportMarketing+
Full security analysis
Professional PDF export
Email delivery
Lifetime access + unlock code
Contact emails & phones
Marketing outreach data

Already purchased?

Order summary

Domaingl-systemhaus.de
Access tierFull report or marketing add-on

Digital reports are delivered immediately after payment. By continuing you acknowledge the withdrawal waiver described in our Returns & Refunds policy.

VisaMastercardApple PayGoogle Pay

Secure payments processed via EveryPay. Prices in EUR; Incl. 21% VAT.

SEQ SIA

Lastadijas 12 k-3, Riga, Latvia, LV-1050

Reg. No. 40203410806 • VAT LV40203410806

Support: guard@offseq.com+371 2256 5353

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