Is diehl.com Safe? Security Analysis for Diehl Group
https://diehl.comCheck if diehl.com is a scam or legitimate. Free security scan and reviews.
Above Technology avg (72)

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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
Diehl Group is a globally active German technology enterprise headquartered in Nürnberg, Germany, with a diversified product range across multiple industrial sectors including metal processing, electronic systems, defence, aviation, and metering technologies. The company employs approximately 18,700 people worldwide and generates annual sales of 4.7 billion euros, positioning it as a significant player in the technology and manufacturing industry. The website reflects a professional corporate presence with clear branding and structured content aimed at industrial customers, partners, suppliers, and job seekers. Technically, the website employs modern web technologies such as HTMX, lazy loading for images, and Matomo analytics for user tracking, combined with a cookie consent mechanism to ensure privacy compliance. The site is mobile optimized, accessible, and SEO-friendly, indicating a mature digital infrastructure. The CMS appears to be Ibexa (formerly eZ Platform), a robust enterprise content management system. From a security perspective, the site enforces HTTPS and implements cookie consent, with no visible security vulnerabilities or exposed sensitive data. However, explicit security headers like X-Frame-Options and X-Content-Type-Options are not clearly detected and could be improved. The absence of a dedicated security policy or incident response information is noted, as is the lack of a security.txt file for vulnerability disclosure. Overall, the website and business appear legitimate and professionally managed, with a strong security posture and good privacy compliance. The missing WHOIS data for the subdomain is typical and does not detract from the trustworthiness of the site. Strategic recommendations include enhancing security header implementation, publishing security policies, and improving contact information visibility for security and compliance inquiries.
Detected Technologies
6 urgent findings need attention
6 high
Keep diehl.com 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
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Security Headers
3 findings
80/100
GDPR Compliance
1 finding
88/100
NIS2 Compliance
9 findings
2/100
Email Security
1 finding
98/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
Diehl Group operates as a diversified technology and manufacturing enterprise with a strong global footprint. Its market positioning is that of an established, long-standing German company with a broad industrial product portfolio. The business model is primarily B2B, serving industrial customers and partners across sectors such as metal processing, home appliance electronics, defence, aviation, and metering. Revenue streams are diversified across these sectors, supported by a global production network. The company maintains a compliance-focused culture with dedicated pages on code of conduct and sustainability, indicating strong governance. The presence of multiple corporate divisions and subsidiaries reflects a complex organizational structure. The company targets industrial clients, suppliers, and potential employees, emphasizing innovation and tradition. Partnerships and external domains linked suggest a well-integrated ecosystem. Growth indicators include active career and job offer pages and ongoing R&D investments.
Security Posture Analysis
Comprehensive Security Assessment
The website demonstrates a mature security posture with HTTPS enforced and cookie consent mechanisms in place, reflecting GDPR compliance. No exposed sensitive data or vulnerable libraries were detected in the HTML content. However, explicit security headers such as X-Frame-Options and X-Content-Type-Options were not clearly identified, representing an area for improvement. The absence of a published security policy or incident response contact information limits transparency in security governance. No security.txt file or vulnerability disclosure program was found, which could enhance the company’s security maturity and community trust. Overall, the site’s security posture is strong but could benefit from enhanced header implementation and clearer communication of security policies and incident response procedures.
Strategic Recommendations
Priority Actions for Security Improvement
Implement and verify security headers including X-Frame-Options and X-Content-Type-Options to strengthen browser security.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
Diehl Group
Diehl Stiftung GmbH & Co. KG is a globally active German technology enterprise headquartered in Nürnberg. Our broadly diversified product range comprises various business fields in different industrial sectors. With approx. 18,700 employees worldwide, the long-established Diehl company generates annual sales of 4.7 billion euros.
good
consistent
Technical Stack
moderate
good
good
good
Security Assessment
- HTTPS enforced
- Cookie consent mechanism implemented
- No exposed sensitive data in HTML
- No visible vulnerable libraries
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is fully accessible with no blocking or WAF challenge.
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🛡️Security Headers
HTTP security headers analysis and recommendations.
Security Headers
HTTP security headers analysis
Missing X-XSS-Protection header
MEDIUMLegacy XSS protection (deprecated but still recommended)
Weak Referrer-Policy configuration
LOWCurrent value: "no-referrer, strict-origin-when-cross-origin"
Sensitive data may be cached
LOWCache-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
Privacy policy may not be GDPR compliant
MEDIUMPrivacy policy lacks explicit GDPR compliance elements
GDPR Compliance Analysis
🛡️NIS2 Compliance
Network & Information Security Directive compliance assessment.
NIS2 Compliance
Network & Information Security Directive
No information security framework found
HIGHNIS2 requires documented cybersecurity and information security measures
No vulnerability disclosure policy
MEDIUMNIS2 encourages coordinated vulnerability disclosure
No security policy documentation found
HIGHNIS2 requires documented cybersecurity governance and risk management
No incident response procedures found
HIGHNIS2 requires documented incident response and business continuity plans
No business continuity planning found
MEDIUMNIS2 emphasizes operational resilience and business continuity
No security contact information
HIGHNIS2 requires clear incident reporting channels
No vulnerability reporting mechanism
MEDIUMClear vulnerability reporting supports coordinated disclosure
No NIS2 reference found
LOWConsider explicitly mentioning NIS2 compliance efforts
Critical sector without clear security compliance
HIGHDetected sectors: energy, transport, health, digital
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📧Email Security
SPF, DKIM, and DMARC validation and email security assessment.
Email Security
SPF, DKIM, and DMARC validation
No BIMI Record
LOWBIMI displays brand logos in email clients
SPF Details
DKIM Selectors Found
DMARC Details
MTA-STS Details
🏆SSL/TLS Security
Certificate validity and encryption analysis.
SSL/TLS Security
Certificate validity and encryption analysis
Weak Protocols Supported
HIGHServer supports weak protocols: TLSv1.1
OCSP Stapling Not Enabled
LOWOCSP stapling improves performance and privacy
Certificate Transparency Not Implemented
LOWCertificate is not logged in Certificate Transparency logs
SSL Certificate Expires Within 90 Days
MEDIUMSSL certificate expires in 47 days
Partial SSL/TLS Assessment
LOWCompleted 3 of 4 security checks due to time constraints
Protocol Support
OCSP Status
📊DNS Health
DNS configuration and security assessment.
DNS Health
DNS configuration and security assessment
DNSSEC Not Enabled
MEDIUMDNSSEC is not configured for this domain
CAA Records Not Configured
LOWCertificate Authority Authorization (CAA) records not found
DNS Records
DNSSEC Status
DNS Performance
SPF Analysis
⚡Network Security
Port scanning and network exposure analysis.
Network Security
Port scanning and network exposure analysis
Good Network Security Posture
LOWNo unnecessary services detected on common risky ports
How does diehl.com compare?
See how diehl.com 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
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PDF Report & Export
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Marketing Intelligence
Contact emails, phone numbers & warm leads
Plan Comparison
| Feature | PDF Report | Marketing+ |
|---|---|---|
| Full security analysis | ||
| Professional PDF export | ||
| Email delivery | ||
| Lifetime access + unlock code | ||
| Contact emails & phones | — | |
| Marketing outreach data | — |
Already purchased?
Order summary
Digital reports are delivered immediately after payment. By continuing you acknowledge the withdrawal waiver described in our Returns & Refunds policy.
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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