WhatsApp’s ‘Code Verification’ Will Confirm the Authenticity of WhatsApp’s Web Code: Here’s How


WhatsApp is rolling out a new free web extensions browser called “Code Verify”. The extension, which will be available for Google Chrome, Microsoft Edge and Firefox browsers, is designed for users to verify the authenticity of the WhatsApp web code served to the browser.

WhatsApp says running the extension will give privacy-conscious users more security and peace of mind than the unmodified web version of the app. It has also partnered with Cloudfare to enable the deployment of the browser extension at scale.

In a Facebook engineering blog post, the company wrote that since introducing multi-device capability last year on WhatsApp, it has “seen an increase in the number of people accessing” the service directly. through their web browser. For those unaware, they can now access WhatsApp through the desktop or laptop browser on four other devices without being connected to their phone, although the link must be initiated by the mobile app.

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Considering this change in usage, the company is adding security tools to keep WhatsApp Web secure. The company has also listed the reasons why it needs to do this with the web version in particular. The mobile app is verified and approved by third-party app stores, but WhatsApp Web is not. This, along with other factors, “could weaken web browser security that doesn’t exist in the mobile app space, like browser extensions,” the company said.

What is Code Verification?

It is an open source web browser extension that can be added to FireFox, Microsoft Edge and Google Chrome browsers. WhatApp says it will automatically pin to Firefox or Edge browsers once added, and Chrome users will need to pin it for best use. The feature works in partnership with Cloudflare, a web infrastructure and security company. It is also offered as open source so that other services can also use it.

The browser extension “does not store any data, metadata, or user data, or share any information with WhatsApp,” according to the company, and does not read or access messages sent or received by the user. Also, neither WhatsApp nor Meta will know if or if someone has downloaded the Code Verify extension.

WhatsApp Web Code: What is displayed when used to verify the authenticity of the code.

How does code verification work?

WhatsApp compares the browser extension to a traffic light. Once a user installs the extension, it runs automatically when WhatsApp Web is accessed and “acts as a real-time alert system”. According to the company, this is what will show up when you use the extension:

If the WhatsApp code is fully validated, the Code Verify icon in the browser will appear green.

If the Code Verify icon appears orange, either the user needs to refresh your page or another browser extension is interfering with Code Verify. In this case, Code Verify will recommend that you suspend your other browser extensions.

If the code verification icon appears red, it will indicate that there is a possible security issue with the WhatsApp web code served to you.

whatsapp web, whatsapp web code, whatsapp code verification, what is code verification extension How WhatsApp code verification works.

Code Verify works in partnership with Cloudflare and will verify assets across the entire webpage. According to the post, Cloudflare has a “cryptographic hash truth source for WhatsApp Web’s JavaScript code.” So when someone runs the extension, it compares the code running on WhatsApp Web to the version of the code verified by WhatsApp and published on Cloudflare. In case of discrepancies, the user is notified.

When the code is updated for WhatsApp Web, it will also be done for Code Verify to ensure continuity.


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