Avast Online Security is a browser extension (or plug-in) available for Chrome, Firefox, Edge and Safari. Whenever you visit a website we check if the site isn’t malicious or phishing. We are able to provide you with this functionality by processing URLs.

What are Product’s Features

• Antivirus checks the links in search results so user knows if the page is trying to spread malware.
• Anti-phishing identifies and blocks phishing sites trying to steal your data.
• Anti-Tracking blocks annoying tracking cookies that collect data on your browsing activities.
• Reputation rating allows users to rate websites. Participation is voluntary.
• Bank Mode works only when Avast Antivirus is installed) and offers to user to open page in a safe sandbox environment on sensitive sites (banking).
• Marking search results to show if the site is safe or not even before user visits it.

Personal Data We Process

While using Online Security, we process the following Service and Device Data:
What we use it for and for how long

1. Service Data
• URL, referrers and tab ids
• Service Provision (24 months): To check if URLs and the preceding referral domains or URLs (as applicable) are malicious or not to identify its source for threat analysis
• User’s feedback (ratings, comments)
• Service Provision (24 months): To tell whether the site rating and classification you received are relevant and up-to-date
• New Product Development (36 months): To improve the product or its feature based on the user’s feedback
• Usage data (open extension, rated site, disabled trackers, change settings, site blocked)
• New Product Development (24 months): To measure user’s behavior in UI and how user interacts with the extension
2. Device Data
• Internal extension identifier (GUID)
• Service Provision (24 months): To distinguish unique malware hits and evaluate it in our systems
• New Product Development (24 months): To measure product telemetry and calculate aggregated statistics
• Information on computer or device (browser, OS)
• New Product Development (24 months): To obtain usage statistics
• Extension information (installation source and time, version and campaign ID)
• New Product Development (24 months): To obtain usage statistics, evaluate our messages and perform feature A/B testing
• Location / Country
• Service Provision (24 months): To detect country specific malware campaigns
• New Product Development (24 months): To measure product telemetry and calculate aggregated statistics
• Language
• Service Provision (24 months): To make sure we communicate in right language
• New Product Development (24 months): To measure product telemetry and calculate aggregated statistics
• Avast Antivirus Status
• Service Provision (24 months): To being able to turn on Bank Mode on specific sites

Online Security does not process Account or Billing Data.

This information is intended for you if you are a user of Avast Online Security. If you are a user of another Avast product or you want to know how we process and protect your personal data in general please refer to our Privacy Policy