【正文】 ........................................................................9 系統(tǒng)間互聯(lián)互通的等級保護(hù)要求 ...........................................................................................103 定級 ...............................................................................................................................10 定級過程 ...................................................................................................................................11 系統(tǒng)識別與描述 .......................................................................................................................11 系統(tǒng)整體識別與描述 ............................................................................................................11 劃分子系統(tǒng)的方法 ................................................................................................................12 子系統(tǒng)識別與描述 ................................................................................................................13 等級確定 ...................................................................................................................................13 電子政務(wù)安全屬性描述 ........................................................................................................13 定級原則 ................................................................................................................................13 定級方法 ................................................................................................................................16 復(fù)雜系統(tǒng)定級方法 ................................................................................................................174 安全規(guī)劃與設(shè)計 .............................................................................................................18 系統(tǒng)分域保護(hù)框架建立 ...........................................................................................................18 安全域劃分 ............................................................................................................................18 保護(hù)對象分類 ........................................................................................................................19ii / 45 系統(tǒng)分域保護(hù)框架 ................................................................................................................21 選擇和調(diào)整安全措施 ...............................................................................................................22 安全規(guī)劃與方案設(shè)計 ...............................................................................................................24 安全需求分析 ........................................................................................................................24 安全項目規(guī)劃 ........................................................................................................................24 安全工作規(guī)劃 ........................................................................................................................25 安全方案設(shè)計 ........................................................................................................................255 實施、等級評估與運行 ..................................................................................................25 安全措施的實施 .......................................................................................................................25 等級評估與驗收 .......................................................................................................................25 運行監(jiān)控與改進(jìn) .......................................................................................................................26附錄 A 術(shù)語與定義 ...........................................................................................................27附錄 B 大型復(fù)雜電子政務(wù)系統(tǒng)等級保護(hù)實施過程示例 ......................................................27 大型復(fù)雜電子政務(wù)系統(tǒng)描述 ..................................................................................................27 等級保護(hù)實施過程描述 ..........................................................................................................28 系統(tǒng)劃分與定級 ......................................................................................................................29 系統(tǒng)識別和子系統(tǒng)劃分 .......................................................................................................29 系統(tǒng)安全等級確定 ...............................................................................................................29 系統(tǒng)分域保護(hù)框架 ...............................................................................................................30 安全規(guī)劃與設(shè)計 ......................................................................................................................33 安全措施的選擇與調(diào)整 .......................................................................................................33 等級化風(fēng)險評估 ...................................................................................................................34 等級化安全體系設(shè)計 ...........................................................................................................34 安全規(guī)劃與方案設(shè)計 ...........................................................................................................36 安全措施的實施 ......................................................................................................................39iii / 45圖表目錄圖 21 電子政務(wù)等級保護(hù)的實現(xiàn)方法 ...................................................................................6圖 22 電子政務(wù)等級保護(hù)的基本流程 ...................................................................................7圖 23 等級保護(hù)過程與新建和已建系統(tǒng)生命周期對應(yīng)關(guān)系 ...............................................9圖 31 定級工作流程 .............................................................................................................11圖 41 安全規(guī)劃與設(shè)計過程 .................................................................................................18圖 42 電子政務(wù)的保護(hù)對象及信息資產(chǎn) .............................................................................20圖 43 系統(tǒng)分域保護(hù)框架示意圖 .............................................................