Skip to main content

Is stiebel-eltron.de a Scam? Security Check Results - STIEBEL ELTRON

stiebel-eltron.de Security Report Summary

stiebel-eltron.de received a security score of 54 out of 100 in Guard's comprehensive security analysis, classified as "Elevated Risk". This report covers STIEBEL ELTRON's website security posture. STIEBEL ELTRON operates in the Energy industry in Germany.

STIEBEL ELTRON is a well-established international company specializing in building technology and renewable energy solutions, particularly heat pumps and ventilation systems. The company holds a strong market position as a technology leader with a comprehensive product and service portfolio targeting both end consumers and professional partners. Their website reflects a mature digital presence with extensive content, clear navigation, and professional branding. Technically, the site uses modern JavaScript libraries and analytics tools, ensuring good performance and mobile optimization. Security posture is strong with HTTPS enforcement, security headers, and cookie consent mechanisms, although explicit incident response contacts and vulnerability disclosure policies could be improved. Overall, the website and business demonstrate high credibility and compliance with GDPR.

The security scan identified 29 findings across security headers, SSL/TLS, DNS health, email security, GDPR compliance, and NIS2 compliance analysis modules.

Technologies detected: JavaScript, RequireJS, Piwik PRO Analytics, Swiper.js, Greensock TweenMax, Lodash, Modernizr.

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.

S

Is stiebel-eltron.de Safe? Security Analysis for STIEBEL ELTRON

https://stiebel-eltron.de

Check if stiebel-eltron.de is a scam or legitimate. Free security scan and reviews.

EnergyGermanylarge
JavaScriptRequireJSPiwik PRO AnalyticsSwiper.jsGreensock TweenMax+2 more
Analyzed 7/25/2025Completed 5:42:31 PM8mo ago
54
Security Score
MEDIUM RISK

10,000+

Domains scanned

500+

Security teams trust us

EveryPay

Secure checkout

Instant

Reports delivered

Professional PDF & Marketing Data

Get the professional PDF report for stiebel-eltron.de

Export this security analysis as a professional PDF document, receive it via email, and access marketing intelligence data including contact emails and phone numbers. One-time purchase for lifetime access.

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

Domainstiebel-eltron.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

AI Summary

STIEBEL ELTRON is a well-established international company specializing in building technology and renewable energy solutions, particularly heat pumps and ventilation systems. The company holds a strong market position as a technology leader with a comprehensive product and service portfolio targeting both end consumers and professional partners. Their website reflects a mature digital presence with extensive content, clear navigation, and professional branding. Technically, the site uses modern JavaScript libraries and analytics tools, ensuring good performance and mobile optimization. Security posture is strong with HTTPS enforcement, security headers, and cookie consent mechanisms, although explicit incident response contacts and vulnerability disclosure policies could be improved. Overall, the website and business demonstrate high credibility and compliance with GDPR.

Detected Technologies

JavaScriptRequireJSPiwik PRO AnalyticsSwiper.jsGreensock TweenMaxLodashModernizr

11 urgent findings need attention

1 critical · 10 high

  • + 3 more findings in the full report below
Continuous monitoring

Keep stiebel-eltron.de under constant watch

Guard tracks your live infrastructure daily: certificate expiry, DNS & mail authentication drift, uptime changes, subdomain inventory, and unexpected tracker or content shifts. A full timeline captures every diff so you can prove remediation and spot regressions instantly.

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

25 €
per month · billed securely via EveryPay
Less than 1 € / day — cheaper than a single incident response hour

Cancel anytime. Alerts sent to the contacts you choose. Unlock the full report to view historical timelines and alerts.

Purchase to access the monitoring timeline, JSON diffs, alert history, and PDF export for stiebel-eltron.de.

Security Headers

4 findings

55/100

GDPR Compliance

5 findings

28/100

NIS2 Compliance

9 findings

2/100

Email Security

3 findings

85/100

🧠AI Business Intelligence

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

Business Intelligence

Market & Strategic Analysis

The company operates primarily in the energy sector with a focus on sustainable heating and cooling technologies. Their business model includes direct sales to consumers and partnerships with professional installers and service providers. The website supports this with dedicated portals and detailed product information. Market positioning is reinforced by certifications and positive third-party evaluations. The company shows strategic emphasis on sustainability and innovation, supported by a large organizational size and a long history dating back to 1924. Their digital ecosystem includes multiple country-specific domains and active social media channels, indicating a broad geographic reach and customer engagement.

Extracted Contact Information

Marketing Intelligence Data

Security Posture Analysis

Comprehensive Security Assessment

STIEBEL ELTRON demonstrates a mature security posture with enforced HTTPS, presence of key security headers, and a cookie consent management system aligned with GDPR requirements. No critical vulnerabilities or exposed sensitive data were detected in the website content. However, the absence of a public security.txt file and explicit incident response contact information suggests room for improvement in transparency and vulnerability management. The use of third-party analytics and chat widgets is managed with consent mechanisms, reducing privacy risks. Overall, the security measures are robust but could benefit from enhanced disclosure and incident readiness communication.

Strategic Recommendations

Priority Actions for Security Improvement

1

Publish a dedicated security.txt file to facilitate vulnerability reporting.

Observations

AI-powered comprehensive website and business analysis.

AI-Enhanced Website Analysis

Business Insights

Company:

STIEBEL ELTRON

Description:

STIEBEL ELTRON ist eine international ausgerichtete Unternehmensgruppe und gehört weltweit zu den Markt- und Technologieführern in den Bereichen Haustechnik und Erneuerbare Energien.

Key Services:
Wärmepumpen (heat pumps)Lüftungsanlagen (ventilation systems)Warmwasser (hot water solutions)Raumheizung (space heating)Kundendienst und Service (customer service and maintenance)
Content Quality:

excellent

Branding:

consistent

Technical Stack

Technologies:
JavaScriptRequireJSPiwik PRO AnalyticsSwiper.jsGreensock TweenMaxLodashModernizr
Platforms:
Web
Performance:

moderate

Mobile:

good

Accessibility:

good

SEO:

good

Security Assessment

Security Score:
85/100
Best Practices:
  • HTTPS enforced
  • Secure cookie flags
  • Consent management for cookies
  • No exposed sensitive data in HTML
  • Use of security headers

Analytics & Tracking

Services:
Piwik PRO
Tracking Level:moderate
Privacy Compliance:good

Advertising & Marketing

Tracking Pixels:
Piwik PRO
Marketing Tools:
Piwik PRO AnalyticsMoin AI Chat Widget
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 professionally designed and well-structured.

Get this report delivered to your inbox

Receive a summary of the stiebel-eltron.de security findings by email. Quick and easy to share with decision makers.

🛡️Security Headers

HTTP security headers analysis and recommendations.

Security Headers

HTTP security headers analysis

55/100
Score

Missing Strict-Transport-Security header

HIGH

Forces HTTPS connections

Missing X-Frame-Options header

HIGH

Prevents clickjacking attacks

Missing Referrer-Policy header

LOW

Controls referrer information sent with requests

Missing Permissions-Policy header

MEDIUM

Controls browser features and APIs

👤GDPR Compliance

Privacy and data protection assessment under GDPR regulations.

GDPR Compliance

Privacy and data protection assessment

28/100
Score

No Cookie Policy found

HIGH

GDPR requires clear information about cookie usage

No Cookie Consent Banner found

HIGH

GDPR requires explicit consent for non-essential cookies

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

EU business without adequate privacy measures

CRITICAL

EU businesses are subject to strict GDPR requirements

GDPR Compliance Analysis

Privacy Policy85% confidence
Cookie Policy0% confidence
Contact Information Found90% confidence
phone

🛡️NIS2 Compliance

Network & Information Security Directive compliance assessment.

NIS2 Compliance

Network & Information Security Directive

2/100
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

Critical sector without clear security compliance

HIGH

Detected sectors: energy, transport, digital

Need this report as a PDF?

Download the complete stiebel-eltron.de security analysis as a professional PDF. Share it with your team, clients, or stakeholders.

📧Email Security

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

Email Security

SPF, DKIM, and DMARC validation

85/100
Score

No BIMI Record

LOW

BIMI displays brand logos in email clients

No MTA-STS Policy

MEDIUM

MTA-STS enforces TLS for email delivery

No TLS-RPT Record

LOW

TLS-RPT provides reporting for email TLS issues

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 mx include:spf.stiebel-eltron.com include:spf.protection.outlook.com ~all
DNS Lookups:3/10
Policy:~all
DKIM Selectors Found
Selector:selector1(1296-bit rsa)
Selector:mail(1296-bit rsa)
DMARC Details
Policy:reject
Subdomain Policy:reject
Aggregate Reports:9669ec3c7ce8.a@dmarcinput.com
Forensic Reports:9669ec3c7ce8.f@dmarcinput.com

🏆SSL/TLS Security

Certificate validity and encryption analysis.

SSL/TLS Security

Certificate validity and encryption analysis

85/100
Score

SSL Certificate Expires Within 90 Days

MEDIUM

SSL certificate expires in 74 days

Mixed Content Detected

MEDIUM

1 resources loaded over insecure HTTP

Partial SSL/TLS Assessment

LOW

Completed 2 of 4 security checks due to time constraints

Certificate Details

Subject:stiebel-eltron.de
Issuer:GeoTrust TLS RSA CA G1
Valid Until:10/7/2025 (74 days)
SANs:stiebel-eltron.de, www.stiebel-eltron.de, stiebel-eltron.com +2 more

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:217.13.71.1
AAAA Records:2a00:1030:1008:44::d90d:4701
Name Servers:
dns.wn-dns.de
ns1.waaf.net
ns2.waaf.net
ns3.waaf.net
MX Records:
10: stiebeleltron-de01i.mail.protection.outlook.com
SOA:Serial: 2025061201, TTL: 3600s

DNSSEC Status

DNSSEC Not Enabled

DNS Performance

Resolution Time:104ms

SPF Analysis

SPF Record:
v=spf1 mx include:spf.stiebel-eltron.com include:spf.protection.outlook.com ~all

Network Security

Port scanning and network exposure analysis.

Network Security

Port scanning and network exposure analysis

20/100
Score

High-Risk Service Exposed: FTP

HIGH

Port 21 (FTP) is publicly accessible - FTP - Often unencrypted file transfer

How does stiebel-eltron.de compare?

See how stiebel-eltron.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 custom or proprietary CMS platform, likely enterprise-grade, with modular JavaScript components and asynchronous script loading for performance. It uses RequireJS for module loading, Greensock TweenMax for animations, Swiper.js for sliders, and Lodash for utility functions. Analytics are handled by Piwik PRO, a privacy-focused analytics platform. The site is mobile-optimized with responsive images and accessible navigation. Performance is moderate, with potential for optimization in script loading and caching. The technical infrastructure supports a professional and scalable web presence with good SEO and accessibility practices.
Professional PDF & Marketing Data

Download the stiebel-eltron.de report as PDF

Get the complete analysis in a shareable PDF format, delivered instantly to your email with lifetime access.

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

Domainstiebel-eltron.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

Scan your own website

Liked the stiebel-eltron.de report? Run the same comprehensive security analysis on your domain — free, instant, and no sign-up required.

Or browse our directory of >10,000 scanned websites.

⭐ Verified Community Reviews

What others say about stiebel-eltron.de

Share your experience to help others make informed decisions. We verify every review by email and publish it once our moderation team approves it.

Overall rating
Select a rating
4000 characters remaining

We’ll email you to confirm your review and keep your details private.

Community rating

out of 5

0 reviews published

Loading reviews…

How did we do?

Your feedback directly shapes our roadmap. Rate the quality of this report, leave an optional comment, and let us know if you want our security specialists to follow up.

Overall report quality
Select a rating
2000 characters remaining

We only use your feedback to improve Guard reports. Contact details are never shared.

Analyze Another Website