This feature of USB Disk Security can let you more easily and safely browse and be away from malicious sites.
Safe Web Navigation
Linkzb.com lists and categorizes popular web sites for different countries. All the sites were checked for safety by multi antivirus engines. You can set linkzb.com as Firefox, IE, or Chrome's homepage, and then you can much more easily find your favourite sites, such as Facebook, Twitter... You also can use very powerful multi search engines on linkzb.com.
When you want to visit a URL, but you do not know if it is safe. Please input the URL to the edit box and click "Check URL" to scan it. The default scan engine is Virustotal that used multi antivirus engines to scan URLs. You can change the scan engine by selecting the engine menu.