Proton Mail Deploys Post-Quantum Encryption for All Users

Proton Mail has deployed post-quantum encryption for all users, allowing them to activate this protection on their accounts to safeguard emails against future quantum computing threats. The feature is now available but requires manual activation by users. No specific technical implementation details, such as encryption algorithms or key lengths, were provided in the announcement. The deployment targets the broader Proton Mail user base without geographical restrictions. The update aims to mitigate risks posed by advancements in quantum computing that could compromise traditional encryption methods.