The Multi-Account Containers Add-on will now sync your container configuration and site assignments.Firefox Multi-Account Containers allows users to separate their online identities into different tab types called Containers.This privacy feature allows users to assign sites to only open in a specific Container.
Step 4: Permanent containers Using temporary containers means you’re never signed in to any website by default, so you’ll most likely want to add at least one permanent container.
When Facebook users learned last March that the social media giant had given their sensitive information to political-data firm Cambridge Analytica, Mozilla (parent company of the security-focused browser Firefox) reacted fast: Within eight hours, the product team had built a browser extension called the Facebook Container.
It would be easy for a plug-in to spot the word "sponsored" or to find a container labelled "ad" inside the webpage code, so companies, including Facebook, use coding tricks to obfuscate their ads.
During his Congressional hearing, Mark Zuckerberg claimed that Facebook doesn’t have access to WhatsApp chats thanks to end-to-end encryption. Nevertheless, communication channels between the WhatsApp and Facebook iOS apps could be abused to leak data from the entire chat history.