网络空间安全-畅读网

　　　　

网络空间安全

作者：魏亮

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计算机网络 >> 软硬件开发

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内容简介:

网络空间是继陆、海、空、天后的第五疆域。网络空间安全是全球共同关注的热点话题，受到广泛关注，包括美国在内的西方发达国家已经在网络空间安全方面积极部署，我国对此也有相应动作。近年来在网络空间安全方面也出现了新威胁、新技术及新动态。本书主要内容包括：美国等发达国家在网络空间安全方面的新动向；网络空间安全所面临的新形势；网络空间所面对的种种安全威胁；当前网络空间安全所涉及的技术手段；我国在网络空间安全方面的部署；现阶段我国网络空间安全存在的问题；对我国网络空间安全相关建议等内容。

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SHOW FULL COLUMNS FROM `ls_nav` [ RunTime:0.002982s ]
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SELECT `id`,`name` FROM `ls_goods_category` WHERE `id` = 3 LIMIT 1 [ RunTime:0.023892s ]
SELECT `id`,`name` FROM `ls_goods_category` WHERE `id` = 35 LIMIT 1 [ RunTime:0.003246s ]
SELECT `a`.*,`ap`.`width`,`ap`.`height` FROM `ls_ad` `a` INNER JOIN `ls_ad_position` `ap` ON `a`.`pid`=`ap`.`id` WHERE `pid` = 11 AND `ap`.`client` = '2' AND `a`.`status` = '1' AND `a`.`del` = '0' AND `ap`.`status` = '1' AND `ap`.`del` = '0' ORDER BY `sort` DESC,`id` DESC [ RunTime:0.004782s ]
SELECT `a`.*,`ap`.`width`,`ap`.`height` FROM `ls_ad` `a` INNER JOIN `ls_ad_position` `ap` ON `a`.`pid`=`ap`.`id` WHERE `pid` = 14 AND `ap`.`client` = '2' AND `a`.`status` = '1' AND `a`.`del` = '0' AND `ap`.`status` = '1' AND `ap`.`del` = '0' ORDER BY `sort` DESC,`id` DESC [ RunTime:0.004233s ]
SELECT * FROM `ls_goods` WHERE `del` = 0 AND `status` = 1 AND `create_time` <= 1772035515 ORDER BY `create_time` DESC LIMIT 5 [ RunTime:2.365707s ]

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