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Surfshark has completed its post-quantum security stack by integrating ML-DSA digital signatures with existing ML-KEM encryption in its WireGuard implementation. This move distinguishes the provider from major tech giants like Apple and Microsoft, which have yet to enable these protocols in their primary consumer software. The deployment represents a significant practical step forward for protecting data traffic against future quantum computing threats outside of cloud environments.

Source coveringThe Quantum Insider

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Surfshark Adds ML-DSA Authentication to Post-Quantum WireGuard

The Quantum InsiderOctober 8, 20264 min read

Insider Brief PRESS RELEASE — This major security development milestone follows the initial launch of Dausos, Surfshark’s proprietary VPN protocol engineered with complete post-quantum security from the ground up. By pairing encryption with ML-KEM (key encapsulation mechanism) and certificates using ML-DSA (digital signature algorithm) for authentication, WireGuard now incorporates the final step required to deliver […]

Surfshark has added ML-DSA-based certificate authentication to its WireGuard implementation, completing its stated full post-quantum security architecture. The company combines ML-DSA authentication with previously added ML-KEM encryption and key exchange to protect VPN traffic against potential quantum attacks. The fully post-quantum WireGuard implementation is currently available on iOS and macOS, with support for additional platforms planned. PRESS RELEASE — This major security development milestone follows the initial launch…

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