Is protonvpn.com Safe? Security Analysis for Proton AG
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AI Summary
Proton AG operates Proton VPN, a leading privacy-focused VPN service developed by scientists from CERN and MIT. The company offers a suite of encrypted services including email, calendar, cloud storage, password management, and VPN, targeting privacy-conscious users globally. Proton VPN is recognized for its no-logs policy, open-source applications, and strong encryption standards, positioning it as a top-tier VPN provider with a robust market presence and excellent user trust. The website demonstrates a mature technical infrastructure leveraging modern frameworks like Astro and React, hosted via Cloudflare for performance and security. Security posture is strong with HTTPS enforcement, advanced encryption protocols, and features like kill switch and DNS filtering. However, explicit incident response and vulnerability disclosure policies are not prominently published, representing an area for improvement. Overall, Proton VPN's digital presence reflects a professional, secure, and privacy-compliant service with high trustworthiness and excellent user experience.
Detected Technologies
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
Proton AG's market positioning as a privacy-first technology company is reinforced by its comprehensive product ecosystem and freemium subscription model. The company targets individuals and businesses seeking secure communications and internet freedom. Its competitive advantages include open-source transparency, independent audits, and a strict no-logs policy. Revenue streams primarily come from paid VPN subscriptions and premium tiers of other Proton services. The partnership ecosystem includes related privacy tools like Simple Login and Standard Notes, enhancing user retention and cross-service integration. Growth indicators include multi-language support, global server infrastructure, and continuous feature innovation such as VPN Accelerator and Stealth protocol. Strategic observations highlight Proton's commitment to privacy and security as core differentiators in a crowded VPN market.
Extracted Contact Information
Marketing Intelligence Data
Physical Addresses (1)
Security Posture Analysis
Comprehensive Security Assessment
Proton VPN exhibits a high security maturity level with enforced HTTPS, strong encryption algorithms (AES-256, ChaCha20), and secure VPN protocols (WireGuard, OpenVPN). The presence of features like kill switch and DNS filtering enhances user data protection. The company is based in Switzerland, benefiting from strong privacy laws, and maintains a strict no-logs policy. However, the absence of a publicly accessible incident response plan or security.txt file limits transparency in vulnerability management. No critical vulnerabilities or exposed sensitive data were detected in the website content. Compliance with GDPR is implied through privacy policies and data protection practices. Overall, Proton VPN maintains a robust security culture but could improve incident response communication.
Strategic Recommendations
Priority Actions for Security Improvement
Publish a dedicated incident response and vulnerability disclosure policy to enhance transparency and user trust.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
Proton AG
Proton provides easy-to-use encrypted email, calendar, cloud storage, password manager, and VPN services, built on the principle of your data, your rules.
excellent
consistent
Technical Stack
fast
excellent
good
excellent
Security Assessment
- HTTPS enforced
- No logs policy
- Kill switch and always-on VPN features
- Use of strong encryption protocols (AES-256, ChaCha20, WireGuard, OpenVPN)
- DNS filtering (NetShield) for ad and malware blocking
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is fully accessible with rich content and multimedia.
🛡️Security Headers
HTTP security headers analysis and recommendations.
Security Headers
HTTP security headers analysis
Missing Content-Security-Policy header
HIGHControls resources the browser is allowed to load
Weak X-XSS-Protection configuration
LOWCurrent value: "0"
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
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 vulnerability reporting mechanism
MEDIUMClear vulnerability reporting supports coordinated disclosure
No NIS2 reference found
LOWConsider explicitly mentioning NIS2 compliance efforts
📧Email Security
SPF, DKIM, and DMARC validation and email security assessment.
Email Security
SPF, DKIM, and DMARC validation
No DKIM record found
MEDIUMDKIM adds cryptographic signatures to emails
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
DMARC 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 30 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