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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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Security & Privacy
No Display? No Problem: Cross-Device Passkey Authentication for XR Devices
Security & Privacy JAN 27, 2026
Rust at Scale: An Added Layer of Security for WhatsApp
Android DEC 15, 2025
How AI Is Transforming the Adoption of Secure-by-Default Mobile Frameworks
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The Latest
Security & Privacy NOV 20, 2025
Key Transparency Comes to Messenger
Security & Privacy OCT 23, 2025
Scaling Privacy Infrastructure for GenAI Product Innovation
AI Research SEP 30, 2025
LLMs Are the Key to Mutation Testing and Better Compliance
DevInfra AUG 11, 2025
Federation Platform and Privacy Waves: How Meta distributes compliance-related tasks at scale
Security & Privacy JUL 23, 2025
Policy Zones: How Meta enforces purpose limitation at scale in batch processing systems
Security & Privacy APR 29, 2025
Building Private Processing for AI tools on WhatsApp
Security & Privacy APR 28, 2025
How Meta understands data at scale
Security & Privacy FEB 18, 2025
Protecting user data through source code analysis at scale
Security & Privacy FEB 13, 2025
Looking back at our Bug Bounty program in 2024

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Five security principles for billions of messages across Meta’s apps

Related Positions


  • Director, Software Engineering - WhatsApp
    SãO PAULO, BR
  • Director, Software Engineer - WhatsApp
    BANGALORE, IN
  • Software Engineer, Infrastructure (Technical Leadership)
    LONDON, GB
  • Software Engineer, Product
    SUNNYVALE, US
  • Software Engineer, Product
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See All Jobs

Available Positions


  • Director, Software Engineering - WhatsApp
    SãO PAULO, BR
  • Director, Software Engineer - WhatsApp
    BANGALORE, IN
  • Software Engineer, Infrastructure (Technical Leadership)
    LONDON, GB
  • Software Engineer, Product
    SUNNYVALE, US
  • Software Engineer, Product
    REMOTE, US
See All Jobs

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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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