Rust at Scale: An Added Layer of Security for WhatsApp

Published: (January 27, 2026 at 10:00 AM EST)
1 min read

Source: Meta Engineering

WhatsApp has adopted and rolled out a new layer of security for users – built with Rust – as part of its effort to harden defenses against malware threats. WhatsApp’s experience creating and distributing our media consistency library in Rust to billions of devices and browsers proves Rust is product…

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