Is simplelogin.io Safe? Security Analysis for Proton AG
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AI Summary
SimpleLogin is a privacy-focused, open source email aliasing service operated by Proton AG, a Swiss company. It enables users to create and manage email aliases to protect their real email addresses from spam, phishing, and tracking. The service offers browser extensions, mobile apps, and supports custom domains, positioning itself as a niche leader in privacy-enhancing email solutions. The website is professionally designed, content-rich, and highly accessible, reflecting a mature digital presence. Technically, it uses modern web technologies including Hugo, Vue.js, and Bootstrap, and is hosted on reputable infrastructure with Cloudflare DNS and Proton/UpCloud servers. Security posture is strong with HTTPS, open source transparency, and advanced features like PGP encryption and 2FA, though DNSSEC and security headers could be improved. Privacy compliance is good with a comprehensive privacy policy and GDPR adherence, but lacks a cookie consent mechanism. Overall, the domain registration and business information are consistent and trustworthy, supporting a high legitimacy score.
Detected Technologies
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
SimpleLogin operates on a subscription-based business model without ads, targeting privacy-conscious users who want to protect their inboxes. Its open source nature and integration with Proton AG provide competitive advantages in transparency and trust. The company maintains active community engagement via GitHub, forums, and social media. The product ecosystem includes browser extensions for major browsers and mobile apps on iOS and Android, enhancing accessibility and user convenience. The parent company Proton AG adds credibility and resources. The service is positioned well in the privacy technology sector with a clear growth trajectory and strong user testimonials.
Extracted Contact Information
Marketing Intelligence Data
Email Addresses (1)
Company Registration
Proton AG
CHE-354.686.492
Security Posture Analysis
Comprehensive Security Assessment
The website and service demonstrate a mature security posture with enforced HTTPS, domain status protections, and support for advanced security features like PGP encryption and multi-factor authentication. The open source codebase allows for community auditing, enhancing trust. However, the absence of DNSSEC and explicit security headers in the HTTP responses are minor gaps. Incident response and abuse reporting mechanisms are documented and accessible. No vulnerabilities or exposed sensitive data were detected in the analysis. Overall, the security maturity is high with room for incremental improvements.
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
Proton AG
SimpleLogin is an open source email alias solution to protect your email address and inbox from spam and phishing. It allows users to create and manage email aliases to remain anonymous online. Based in Switzerland.
excellent
consistent
Technical Stack
fast
excellent
good
good
Security Assessment
- HTTPS enforced
- Domain status includes clientDeleteProhibited, clientTransferProhibited, clientUpdateProhibited
- No ads or trackers detected
- Open source transparency
- 2FA support (TOTP, WebAuthn)
- PGP email encryption support
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is fully accessible with rich content and no blocking detected.
🛡️Security Headers
HTTP security headers analysis and recommendations.
Security Headers
HTTP security headers analysis
Missing Referrer-Policy header
LOWControls referrer information sent with requests
Missing Permissions-Policy header
MEDIUMControls browser features and APIs
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
No Data Protection Officer mentioned
LOWLarge organizations may need to designate a DPO under GDPR
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: transport, banking, digital
📧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 71 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
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
🔧Technical Analysis
Detailed technical findings and analysis from AI assessment.
Technical Analysis
Comprehensive security assessment findings
Additional Findings
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Community rating
—out of 5
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