Previously known as Facebook and now AKA Meta Platforms’ WhatsApp and Cloudflare have lined together for a new improvement called Code Verify to validate the authenticity of the messaging service’s web app on desktop computers. Available in the form of a Chrome and Edge browser extension, the open-source add-on is designed to “automatically verify the authenticity of the WhatsApp Web code being obliged to your browser,” Facebook AKA Meta said in a statement.
The goal with Code Verify is to approve the integrity of the web application and ensure that it hasn’t been altered with to inject malicious code. The social media company is also planning to release a Firefox plugin to attain the same level of security across browsers. The system works with Cloudflare acting as a third-party inspection to relate the cryptographic hash of WhatsApp Web’s JavaScript code that’s shared by Meta with that of a locally computed hash of the code running on the browser client.
Code Authenticate is also meant to be flexible in that whenever the code for WhatsApp Web is updated, the cryptographic hash value will be updated repeatedly in tandem, so that the code served to users is certified on the fly. WhatsApp, in a distinct FAQ on the latest security feature, highlighted that “the extension won’t read or access the messages you send or receive, and we won’t know if you have downloaded the extension.” The add-on will also not log any data, metadata, or user data, and doesn’t share any information with WhatsApp, it noted. “The idea itself — relating hashes to detect interfering or even corrupted files — isn’t new, but automating it, deploying it at scale, and making sure it ‘just works’ for WhatsApp users is,” Cloudflare said.
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