勒索病毒防护
目录
1. 背景概述............................................................................................................................................1
2. 勒索病毒攻击链................................................................................................................................1
3. 勒索病毒攻击方式............................................................................................................................2
3.1 边界突破...................................................................................................................................2
3.2 病毒投放...................................................................................................................................2
3.3 加密勒索...................................................................................................................................3
3.4 横向传播...................................................................................................................................3
4. 勒索病毒预防....................................................................................................................................3
4.1 资产管理...................................................................................................................................3
4.2 风险排查...................................................................................................................................4
4.3 安全加固...................................................................................................................................4
4.3.1 网络设备安全加固（交换、路由设备）...........................................................................5
4.3.2 边界防火墙安全加固...........................................................................................................8
4.3.3 WINDOWS 操作系统安全加固..........................................................................................9
4.4 提高人员安全意识..................................................................................................................13
4.5 重要数据备份管理..................................................................................................................14
4.6 制定应急响应预案..................................................................................................................14
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