browser extension security risk

Browser isolation is a cybersecurity model which aims to physically isolate an internet user's browsing activity (and the associated cyber risks) away from their local networks and infrastructure. Browser isolation technologies approach this model in different ways, but they all seek to achieve the same goal, effective isolation of the web browser and a user's browsing activity as a method of securing web browsers from browser-based security exploits, as well as web-borne threats such as ransomware and other malware. When a browser isolation technology is delivered to its customers as a cloud hosted service, this is known as remote browser isolation (RBI), a model which enables organizations to deploy a browser isolation solution to their users without managing the associated server infrastructure. There are also client side approaches to browser isolation, based on client-side hypervisors, which do not depend on servers in order to isolate their users browsing activity and the associated risks, instead the activity is virtually isolated on the local host machine. Client-side solutions break the security through physical isolation model, but they do allow the user to avoid the server overhead costs associated with remote browser isolation solutions.

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