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Security & Privacy

Meta Security strives to create and maintain the safest environment possible for people who use Meta’s products and services. We are building the technologies that lay the groundwork for billions of people around the world to connect and share with each other safely.

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AI Research
Catching Bugs Before They Land: JiTTesting’s Human-on-the-Loop Approach at Full Scale
AI Research OCT 27, 2026
PrivacyLib: Privacy Controls at the Data Access Boundary
Security & Privacy SEP 23, 2026
Bringing Private Processing to Meta AI Glasses
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The Latest
AI Research SEP 2, 2026
An Organizational Second Brain: Building an AI That Learns From Experts
Security & Privacy AUG 12, 2026
How We’re Building Scam Alert on WhatsApp With End-to-End Encryption and Verifiability Guarantees
ML Applications JUN 25, 2026
Privacy-Aware Infrastructure in the AI-Native Era: An Asset Classification Case Study
Android MAY 11, 2026
Labyrinth 1.1: Making End-to-End Encrypted Backups Even More Reliable 
Production Engineering MAY 1, 2026
How Meta Is Strengthening End-to-End Encrypted Backups
Security & Privacy APR 16, 2026
Post-Quantum Cryptography Migration at Meta: Framework, Lessons, and Takeaways
Data Infrastructure APR 8, 2026
Trust But Canary: Configuration Safety at Scale
Android MAR 13, 2026
Patch Me If You Can: AI Codemods for Secure-by-Default Android Apps
Security & Privacy MAR 9, 2026
How Advanced Browsing Protection Works in Messenger

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Nov 20, 2025

Key Transparency Comes to Messenger

Dec 06, 2023

Building end-to-end security for Messenger

Apr 13, 2023

Deploying key transparency at WhatsApp

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Available Positions


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Open Source

Meta believes in building community through open source technology. Explore our latest projects in Artificial Intelligence, Data Infrastructure, Development Tools, Front End, Languages, Platforms, Security, Virtual Reality, and more.

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Meta

Engineering at Meta is a technical news resource for engineers interested in how we solve large-scale technical challenges at Meta.

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