At Meta, we support real-time communication (RTC) for billions of people through our apps, including WhatsApp, Instagram, and Messenger.  We are working to make RTC accessible by providing a high-quality experience for everyone – even those who might not have the fastest connections or the latest phones. As more and more people have relied on [...]
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The post MLow: Meta’s low bitrate audio codec appeared first on Engineering at Meta.

MLow: Meta’s low bitrate audio codec

To comply with a new EU law, the Digital Markets Act (DMA), which comes into force on March 7th, we’ve made major changes to WhatsApp and Messenger to enable interoperability with third-party messaging services.  We’re sharing how we enabled third-party interoperability (interop) while maintaining end-to-end encryption (E2EE) and other privacy guarantees in our services as [...]
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The post Making messaging interoperability with third parties safe for users in Europe appeared first on Engineering at Meta.

Making messaging interoperability with third parties safe for users in Europe

New optional features in WhatsApp have helped make calling on WhatsApp more secure. “Silence Unknown Callers” is a new setting on WhatsApp that not only quiets annoying calls but also blocks sophisticated cyber attacks. “Protect IP Address in Calls” is a new setting on WhatsApp that helps hide your location from other parties on the [...]
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The post Enhancing the security of WhatsApp calls appeared first on Engineering at Meta.

Enhancing the security of WhatsApp calls

WhatsApp has launched a new cryptographic security feature to automatically verify a secured connection based on key transparency.  The feature requires no additional actions or steps from users and helps ensure that a conversation is secure.  Key transparency solutions help strengthen the guarantee that end-to-end encryption provides to private, personal messaging applications in a transparent [...]
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The post Deploying key transparency at WhatsApp appeared first on Engineering at Meta.

Deploying key transparency at WhatsApp

WhatsApp has launched a new security feature that further helps prevent attackers from using vectors like on-device malware. This security feature, called Device Verification, requires no action or additional steps from users and helps protect your account. This feature is part of our broader work to increase security for our users from the growing threat [...]
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The post How Device Verification protects your WhatsApp account appeared first on Engineering at Meta.

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