技术
- 网络安全和隐私 - 云安全
- 网络与连接 - 蜂窝
适用行业
- 电信
- 运输
适用功能
- 物流运输
用例
- 篡改检测
- 交通监控
服务
- 云规划/设计/实施服务
关于客户
国家运输安全委员会 (NTSB) 是一个联邦机构,负责通过进行独立事故调查、倡导安全改进以及决定飞行员和海员的认证上诉来提高运输安全。该机构正在根据 OMB 的云智能战略对基于云的应用程序进行现代化改造并扩大其使用。劳动力流动性很强,现场团队在美国各地从城市到偏远地区的不同环境中进行调查。 NTSB 的 IT 团队在首席信息官 Angel Santa 和首席技术官 Victor Pham 的领导下,认识到需要更高效、更安全的网络基础设施来支持他们的使命。
挑战
美国国家运输安全委员会 (NTSB) 的旧式网络基础设施面临巨大挑战。该机构负责开展独立事故调查、倡导安全改进措施以及决定飞行员和海员的认证上诉,其员工流动性很大,他们在美国各地的不同环境中开展调查。但是,要求所有流量都通过旧式可信互联网连接 (TIC) 进行路由,这一要求并不适合处理日益增加的移动员工。这导致了延迟和连接问题,造成了糟糕的用户体验并对 NTSB 的任务产生了负面影响。此外,传统的路由模式是通过 VPN 客户端将远程连接路由到机构数据中心,再通过一组内部安全设备,最后通过 TIC 路由回来,在 TIC 中再经过另一组安全设备到达目的地,这种模式让远程用户感到沮丧,也增加了安全性。
解决方案
为了克服这些挑战,NTSB 实施了全面的 SD-WAN 架构,并设计了一种创新、安全的“云端 TIC”解决方案,该解决方案使用多租户云安全平台 Zscaler 通过宽带和蜂窝连接安全地在本地路由流量。 NTSB 利用 Zscaler Private Access (ZPA) 使零信任成为可能。 FedRAMP 授权远程访问服务使用 TLS 加密微隧道在授权用户和特定应用程序之间创建双重由内而外的连接。这些隧道基于每个应用程序、每个会话,为任何应用程序提供无缝连接,无论其在何处运行,而无需将用户置于网络上。双隧道由在 Zscaler 云或 AWS GovCloud 中运行的代理缝合在一起。如果用户未经授权访问某个应用程序,那么该应用程序对于用户和互联网来说仍然是完全黑暗的。该解决方案使 NTSB 能够完全采用零信任模型,而不会牺牲用户的工作效率。
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