
By scanning URLs in the cloud, Avast is able to detect malicious activity, from viruses and malware, phishing and hacking. That is, in the particular case of URL scanning, we do transfer the URL the user is visiting, together with additional metadata to the Avast cloud, which then does the necessary processing and synchronously returns the answer. Let me start by saying that Avast’s browser extensions, together with some other modules inside Avast, rely heavily on cloud functionality. Finally, they say that all of this was true up until last week when we made SafePrice a standalone extension (removed it from the main Avast Online Security extension).
#HOW TO BLOCK NUMBER ON AVAST BROWSER EXTENSION FREE#
To demonstrate the problem, they used Fiddler (a free browser monitoring tool) to dissect the requests being generated by SafePrice and found the user ID in some of the requests, concluding that the product is “spying”. That the SafePrice extension (which they first call “adware”) collects all URLs that the user visits, and then sends them to the cloud, together with a user ID. The article basically says that Avast used the SafePrice browser extension to spy on its users. We requested the opportunity to discuss the author’s findings, but he declined to do so. As these are some pretty serious allegations, I also hope that we will be given some room on their site to defend ourselves.

Given that the article contains a number of inaccuracies I feel it is necessary to react. A couple of days ago, published an article about Avast and accused us of spying on our users.
