By default, you should deny all incoming connections and only allow services you explicitly want to offer to the outside world. Complex passwords make it difficult to crack password files 最も人気のあるオンラインビデオゲーム compromised computers. This helps to prevent or limit damage when a computer is compromised. When prompted for a root or UAC password, ensure that the program asking for administration-level access is a legitimate application. If write access is not required, enable read-only mode if the option is taste 魚オンラインゲーム day />If file sharing is required, use ACLs 最も人気のあるオンラインビデオゲーム password protection to limit access. Disable anonymous access to shared folders. Grant access only to user accounts with strong passwords to folders that must be shared. By default, many operating systems install auxiliary services that are not critical. These services are avenues of attack. If they are removed, threats have less avenues of attack. Perform a forensic analysis and restore the computers using trusted media. Also, do not execute software that is downloaded from the Internet unless it has been scanned for viruses. Simply visiting a compromised Web site can cause infection if certain browser vulnerabilities are 最も人気のあるオンラインビデオゲーム patched. If you require its use, 最も人気のあるオンラインビデオゲーム that the device's visibility is set to "Hidden" so that it 最も人気のあるオンラインビデオゲーム be scanned by other Bluetooth devices. If device pairing must be used, ensure that all devices are set to "Unauthorized", requiring authorization for each connection request. Do not accept applications that are unsigned or sent from unknown sources.