SecuBrowser is a web browsing application. The system menu of your web browser window shows you the (s) SANDBOXED mode. It tells you wether your browser was started using SecuBrowser or was started without SecuBrowser. It prevents the infection by creating a virtual sandbox in which your browser runs. SecuBrowser creates a virtual environment, a sandbox in which your web browser runs. This saves the files on your hard disk from getting infected. SecuBrowser offers protection from malware from the internet.