VPN audit status

Proton VPN

7 independent audits in the register

• Securitum, unspecifiedSecurity audit of all Proton appsFull report not linked
• Securitum, 2026No-logs audit (fifth consecutive annual)Full report not linked
• Ruben Santamarta (independent researcher), 2025-12App security audits (article updated 1 Dec 2025)Full report not linked

Plus 4 earlier audits listed in the register.

Register record checked 28 Sept 2026. Audits are vendor-published; the register does not rate or rank.