Rust at Scale: An Added Layer of Security for WhatsApp
ubj Wednesday, January 28, 2026
Summary
The article discusses how Facebook's WhatsApp team has adopted the Rust programming language to improve the security and performance of their messaging app at scale. It highlights the benefits of Rust, such as its memory safety guarantees and concurrency support, which have helped the team address key challenges in building a secure, scalable, and reliable messaging platform.
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Summary
engineering.fb.com