The amount of data being sent goes far beyond what’s necessary for the extension to function, especially if you compare to competing solutions such as Google Safe Browsing.' Extensions removed from Mozilla Firefox addons repositoryĭue to his concerns, Palant told BleepingComputer that he reported the extensions to Mozilla via an official blocklist policy request form. In the process, it will transmit data that allows reconstructing your entire web browsing history and much of your browsing behavior.

'When Avast Online Security extension is active, it will request information about your visited websites from an Avast server. With the large amount of info being sent, Palant is concerned that the security companies could use this information to reconstruct a user's browsing history. This data includes the URL visited, page title, the referer, your OS version, a unique user identifier, your country code, whether you previously visited the page, and other information. While these extensions certainly appear useful, security researcher Wladimir Palant reported that these extensions are sending a large amount of tracking data about a user's browsing habits to. SafePrice will display a small bar on ecommerce sites that alert users to better prices at other sites when shopping for various products. The Avast and AVG Online Security extension will alerts users to phishing, scam, and malicious sites when a user visits them. When Avast and AVG antivirus is installed, the software will also install their respective Firefox and Chrome extensions named Avast Online Security, AVG Online Security, Avast SafePrice, and AVG SafePrice.

This Chrome extension includes a few settings that you can tweak, enabling website malware scanning and blocking of social networks, for instance.Mozilla has removed four extensions from Avast and AVG from the Firefox addon site over concerns that they were tracking a user's activity as they are browsed the web. Having all this data permits you to confidently browse as it checks every site you visit, from social media sites to financial institutions ensuring that your data is not at risk.Īvast Online Security for Chrome is capable of helping to prevent phishing attacks and warning of untrustworthy sites via Avast's community of 400 million.

Avast Online Security for Chrome, Firefox, Edge, and Opera helps protect you and your data while you surf the web.Īs you go about your business online, Avast Online Security for Chrome compiles details about the sites you visit and produces a statistical analysis enabling you to make informed decisions.

Avast online security extension firefox