Web shield is an element of the avast antivirus software that scans the data you transfer when you browse online. This safeguards you against malware and keeps it from running on your computer. Web shield blocks websites and stops hackers from using your computer as a host for hacking into other computers. It can block unwanted software and report it to the community.

The avast web shield employs advanced technology to block and detect the latest threats. It scans your files and programs in real-time as they are downloaded or opened. It can also detect ransomware, which locks the files on your device, and requires payment to unlock them. It also detects trojans that disguise themselves as legitimate software and inject malware into your system.

Avast is an all-platform security software that offers protection against malware, viruses spyware, adware, ransomware, scams trojans, as well as other cyber threats. It is available on Microsoft Windows, macOS and iOS. The company offers both the free version for each platform and a paid version that comes with more features.

Avast alerts you immediately when it detects a potential threat and warns the community of Avast users. If a malicious program is downloaded and installed on your device, it can damage the operating system, corrupt files or even steal your personal data. You can add a website or app that Avast blocked to your list of exceptions in case you wish to use it. You can also disable Web Shield or File Shield in order to allow safe apps and websites to run on your device.