Meta Engineering Blog company blog

Rust at Scale: An Added Layer of Security for WhatsApp

engineering.fb.com published 2026-01-27

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 distri…

Points

266

HN comments

144

Submissions

1

Cited by

0 commenters

Security & PrivacyProgramming Languages2026

Related posts from the same era

Claude Code is steganographically marking requests

Thereallo20262,445 points750 commentscited by 3 details

Motorola announces a partnership with GrapheneOS

Motorola News20262,358 points884 commentscited by 10 details

The newest Instagram “exploit” is the goofiest I've seen

SSid20262,210 points491 commentscited by 3 details

Everyone knows your location: tracking myself down through in-app ads

Tim Shmykov20251,957 points600 commentscited by 3 details

Axios compromised on NPM – Malicious versions drop remote access trojan

StepSecurity Blog20261,934 points807 comments details

Our investigation into the suspicious pressure on Archive.today

AdGuard DNS Blog20251,816 points443 comments details