Web shield is part of the avast antivirus program that scans data transferred when you browse online. This protects your computer how to build a custom laptop from malware. Web shield blocks websites and prevents hackers from using your computer as a server for hacking into other computers. It is able to block unwanted programs and report them to the community for further information.

The avast web shield employs advanced technology to detect and block the latest threats. It scans programs and files in real-time while they are downloaded or opened. It can also detect ransomware that locks certain files on your device, and then demands payment to unlock them. It also detects trojans disguised as legitimate software, but instead insert malware onto your system.

Avast is a multi-platform security software solution that provides protection against viruses, malware spyware, adware, scam attacks, ransomware trojans, as well as other cyber threats. It is available for Microsoft Windows, macOS, Android and iOS. The company offers free versions for each platform and an upgrade version with more features.

Avast warns you immediately if it discovers a risk and warns the community of Avast users. If a malicious application is downloaded and then run on your device, it can cause damage to your operating system, cause corruption of your files, or even steal personal information. If you’d like to access any website or application that Avast has blocked from running, you can add it to your exclusions list. You can also disable Web Shield or File Shield to allow safe apps and websites to run on your device.