Is littelfuse.com Safe? Security Analysis for Littelfuse, Inc.
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Above Manufacturing avg (52)
GDPR-aligned
Data handling
EU
Hosting region
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Littelfuse, Inc. is a global leader in manufacturing circuit protection, power control, and sensing solutions, serving industries such as automotive, industrial applications, telecommunications, medical devices, and consumer electronics. The company targets engineers, OEMs, and distributors with a B2B business model and maintains a strong market position with a comprehensive product portfolio. The website reflects a mature digital presence with modern technologies including React and Next.js, integrated analytics via HubSpot and Google Tag Manager, and compliance with privacy regulations through OneTrust cookie consent mechanisms. Security posture is robust with HTTPS enforcement, security headers, and no visible vulnerabilities, though public security policies and incident response contacts are not disclosed. Overall, the website is professional, trustworthy, and well-optimized for user experience and SEO, supporting Littelfuse's enterprise-level stature.
Detected Technologies
6 urgent findings need attention
6 high
Keep littelfuse.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
8 findings
15/100
GDPR Compliance
3 findings
68/100
NIS2 Compliance
4 findings
67/100
Email Security
4 findings
75/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
Littelfuse operates in the manufacturing sector with a focus on energy and transportation-related products. The company leverages a global distribution network and targets technical professionals requiring reliable circuit protection solutions. The website's integration with marketing and analytics platforms indicates a data-driven approach to customer engagement. The absence of WHOIS data is a minor anomaly but does not detract from the company's credibility. No affiliate or partner domains were identified, suggesting a direct-to-customer digital strategy. The company maintains strong branding consistency and trust signals, including clear contact information and comprehensive policies.
Extracted Contact Information
Marketing Intelligence Data
Physical Addresses (1)
Security Posture Analysis
Comprehensive Security Assessment
The website demonstrates a high level of security maturity with HTTPS, multiple security headers, and a cookie consent mechanism aligned with GDPR. No exposed sensitive data or vulnerable libraries were detected. However, the lack of a public security policy, incident response information, or vulnerability disclosure program represents a gap in transparency and readiness communication. The use of third-party scripts is well-managed but should be regularly audited to mitigate supply chain risks. Overall, the security posture is strong but could be enhanced by publishing formal security and incident response documentation.
Strategic Recommendations
Priority Actions for Security Improvement
Publish a dedicated security policy page outlining security practices and commitments.
✨Observations
Comprehensive website and business-context analysis.
AI-Enhanced Website Analysis
Business Insights
Littelfuse, Inc.
Littelfuse is a global manufacturer of leading technologies in circuit protection, power control & sensing. Our products are found in automotive & commercial vehicles, industrial applications, data & telecommunications, medical devices, consumer electronics & appliances.
excellent
consistent
Technical Stack
moderate
good
good
good
Security Assessment
- HTTPS enforced
- Content Security Policy implemented
- Cookie consent mechanism
- No exposed sensitive data in HTML
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is fully accessible with rich content and interactive features.
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🛡️Security Headers
HTTP security headers analysis and recommendations.
Security Headers
HTTP security headers analysis
Missing Strict-Transport-Security header
Forces HTTPS connections
Missing X-Frame-Options header
Prevents clickjacking attacks
Missing X-Content-Type-Options header
Prevents MIME type sniffing
Missing Content-Security-Policy header
Controls resources the browser is allowed to load
Missing X-XSS-Protection header
Legacy XSS protection (deprecated but still recommended)
Missing Referrer-Policy header
Controls referrer information sent with requests
Missing Permissions-Policy header
Controls browser features and APIs
Sensitive data may be cached
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
No Cookie Policy found
GDPR requires clear information about cookie usage
No Data Protection Officer mentioned
Large organizations may need to designate a DPO under GDPR
Privacy policy may not be GDPR compliant
Privacy policy lacks explicit GDPR compliance elements
GDPR Compliance Analysis
🛡️NIS2 Compliance
Network & Information Security Directive compliance assessment.
NIS2 Compliance
Network & Information Security Directive
No vulnerability disclosure policy
NIS2 encourages coordinated vulnerability disclosure
No security contact information
NIS2 requires clear incident reporting channels
No vulnerability reporting mechanism
Clear vulnerability reporting supports coordinated disclosure
No NIS2 reference found
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
DMARC not enforcing
DMARC policy is set to "none"
No BIMI Record
BIMI displays brand logos in email clients
No MTA-STS Policy
MTA-STS enforces TLS for email delivery
No TLS-RPT Record
TLS-RPT provides reporting for email TLS issues
SPF Details
DKIM Selectors Found
DMARC Details
🏆SSL/TLS Security
Certificate validity and encryption analysis.
SSL/TLS Security
Certificate validity and encryption analysis
Weak Protocols Supported
Server supports weak protocols: TLSv1.1
Certificate Transparency Not Implemented
Certificate is not logged in Certificate Transparency logs
Mixed Content Detected
1 resources loaded over insecure HTTP
Protocol Support
OCSP Status
📊DNS Health
DNS configuration and security assessment.
DNS Health
DNS configuration and security assessment
DNSSEC Not Enabled
DNSSEC is not configured for this domain
CAA Records Not Configured
Certificate Authority Authorization (CAA) records not found
Domain Delete Lock Not Enabled
Domain can be deleted without additional verification
DMARC Policy Set to None
DMARC is configured but not enforcing any policy
Domain Registration Details
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
No unnecessary services detected on common risky ports
How does littelfuse.com compare?
See how littelfuse.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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