The target range of network operations, network operations model includes four levels: level 1, the entity-level computer network confrontation; 2 level, energy level against the computer network; No. 3 level, information level of computer network confrontation; 4 level , against the perceived level of computer networks. For different levels of confrontation, and computer network defense should take corresponding countermeasures. Set the content-specific detection of computer expertise mail or Web traffic for content-based detection. In each end-user in a similar operation as virus scanning. Of course, the easiest way is to be transmitted not to receive the "content" of the data stream. FTP and Point to Point Protocol is the main way to transmit malicious code, but you can not prohibit SMTP and HTTP protocols, so this method can only play a partial role.
"By the bad economy, investors may want us to save a little, it is expected that funding for our future advertising will more than the previous wave, Windows is Microsofts core business is the core brand, we will continue to invest to support Windows." Microsoft announced today will allow users to experience the next generation operating system Windows 7. Microsoft Entertainment and Devices Division President Robbie Bach on Wednesday, held in Las Vegas, CES, said: "Windows 7 is absolutely according to plan in development." Bach said Microsoft will be starting January 9th test Windows 7, but he refused to disclose the official version of the listing date, only reiterated, Windows 7 will be released within three years after Vista launched. Collins Stewart analyst Sandeep Aggarwal expected, Windows 7 will be listed in November 2009, he said: "However, Vista has delayed the launch, which cost more than the cost to Microsoft, so leave some senior officials, and the pressure of being a partnership, facing increased competition. "