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Web shield is a part of the avast anti-virus software that scans your data when you browse online. This protects you from malware and stops it from running on your computer. Web shield also blocks websites and stops hackers from using your device as a host to hack into other computers. It is able to block unwanted software and inform the community about it.

The avast web security uses advanced technology to detect and block the most recent threats. It operates in real-time, scanning files and programs as they are downloaded or opened. It also detects ransomware, which locks select files on your device, and demands payment to unlock them. It can also identify trojans that appear to be legitimate software, but instead insert malware on your system.

Avast is an multi-platform security program that protects against viruses, malware spyware, adware and spyware ransomware, scam attacks trojans and other cyber-attacks. It is available for Microsoft Windows, macOS, Android, and iOS. The company offers the free version for each platform as well as a paid version that comes with more features.

Avast warns you immediately if it detects the presence of a threat and warns the community of Avast users. If a malicious app is downloaded and then run on your device, it can cause damage to your operating system, corrupt your files, or steal personal information. You can add a website or an app that Avast blocked to your list of exceptions should you wish to use it. You can also disable Web Shield or File Shield to allow secure apps and websites to run on your device.