Is letsencrypt.org Safe? Security Analysis for Internet Security Research Group (ISRG)
https://letsencrypt.orgCheck if letsencrypt.org is a scam or legitimate. Free security scan and reviews.
Above Technology avg (72)
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Lastadijas 12 k-3, Riga, Latvia, LV-1050
Reg. No. 40203410806 • VAT LV40203410806
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AI Summary
Let's Encrypt is a leading nonprofit Certificate Authority operated by the Internet Security Research Group (ISRG), providing free, automated TLS certificates to over 700 million websites globally. Their mission is to make encryption accessible to everyone, improving Internet security and privacy. The organization is well-established since 2014 and supported by major technology sponsors such as Google, AWS, Mozilla, and the Electronic Frontier Foundation. The website reflects a mature digital presence with comprehensive multilingual support, detailed documentation, and active community engagement through forums and blogs. Technically, the site is built using the Hugo static site generator, employs modern JavaScript libraries like Plotly.js for data visualization, and is hosted with Cloudflare services, ensuring fast and secure delivery. Security posture is strong with HTTPS enforced and domain registration protections in place, though DNSSEC is not enabled, representing a minor area for improvement. Privacy compliance is robust with a clear privacy policy and terms of service linked, though no explicit cookie consent mechanism was detected. Overall, the website demonstrates high professionalism, trustworthiness, and technical maturity, supporting the nonprofit's mission effectively.
Detected Technologies
7 urgent findings need attention
7 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
1 finding
95/100
GDPR Compliance
3 findings
58/100
NIS2 Compliance
8 findings
17/100
Email Security
3 findings
85/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
Let's Encrypt occupies a dominant position in the free SSL/TLS certificate market, disrupting traditional paid certificate authorities by offering automated and open certificate issuance. Their nonprofit business model is funded through sponsorships and donations, enabling wide adoption across diverse sectors including web hosting, software development, and online services. The organization targets website operators of all sizes, from individuals to enterprises, emphasizing ease of use and security. Their extensive partner ecosystem includes major technology companies and hosting providers, enhancing credibility and reach. Growth indicators such as over 700 million active certificates and detailed annual reports reflect sustained expansion and impact. Strategic partnerships and community engagement via forums and documentation further strengthen their market position and operational transparency.
Extracted Contact Information
Marketing Intelligence Data
Security Posture Analysis
Comprehensive Security Assessment
The website exhibits a mature security posture with mandatory HTTPS, domain registration safeguards (clientDeleteProhibited, clientTransferProhibited, clientUpdateProhibited), and hosting through Cloudflare, a reputable provider. No exposed sensitive data or vulnerable libraries were detected in the HTML content. However, DNSSEC is not enabled, which could enhance DNS security. The absence of a published security.txt or explicit incident response information is a minor gap in transparency for vulnerability reporting. Privacy compliance is strong with a comprehensive privacy policy and GDPR considerations evident. No signs of phishing, malware, or other security threats were found. Overall, the security posture supports the organization's trustworthiness and operational integrity.
Strategic Recommendations
Priority Actions for Security Improvement
Enable DNSSEC on the domain to strengthen DNS security and prevent spoofing.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
Internet Security Research Group (ISRG)
Let's Encrypt is a nonprofit Certificate Authority providing free, automated TLS certificates to enable HTTPS encryption for websites worldwide.
excellent
consistent
Technical Stack
fast
excellent
good
good
Security Assessment
- HTTPS enforced
- Domain status includes clientDeleteProhibited, clientTransferProhibited, clientUpdateProhibited
- No exposed sensitive data in HTML
- Use of Cloudflare DNS and registrar services
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is fully accessible with rich content and no blocking.
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🛡️Security Headers
HTTP security headers analysis and recommendations.
Security Headers
HTTP security headers analysis
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
No Cookie Policy found
HIGHGDPR requires clear information about cookie usage
No Cookie Consent Banner found
HIGHGDPR requires explicit consent for non-essential cookies
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
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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
No MTA-STS Policy
MEDIUMMTA-STS enforces TLS for email delivery
No TLS-RPT Record
LOWTLS-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
SSL Certificate Expires Within 90 Days
MEDIUMSSL certificate expires in 61 days
Weak SSL Key Length
HIGHSSL certificate uses 256-bit key, which is considered weak
Partial SSL/TLS Assessment
LOWCompleted 2 of 4 security checks due to time constraints
Certificate Details
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
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
LOWNo unnecessary services detected on common risky ports
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🔧Technical Analysis
Detailed technical findings and analysis from AI assessment.
Technical Analysis
Comprehensive security assessment findings
Additional Findings
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Marketing Intelligence
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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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