Cellular is a popular internet connection alternative. As with any connection it s important to understand the security ramifications and tradeoffs. Turn off sharing settings on Windows. Navigate to Start >> Control Panel >> Network and Internet >> Network and Sharing Center. Select andHomegroup and Sharing Optionsand followed by andChange Advanced Sharing Settingsand. From within the Change Advanced Sharing Settings dialog you can disable printer and file sharing as well as Public folder sharing and network discovery.