The old security model was for it to build a big mote around the corporate network and only let trusted, authorized employees come across the well-guarded drawbridge and into the proverbial castle.

IT旧的安全模型是在企业网络周围建立一刻巨大的微尘，只让受信任的、已授权的员工穿越守卫严密的吊桥墙进入众所周知的城堡。

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The old security model was for IT to build a big mote around the corporate network and only let trusted, authorized employees come across the well-guarded drawbridge and into the proverbial castle .

IT旧的安全模型是在企业网络周围建立一刻巨大的微尘，只让受信任的、已授权的员工穿越守卫严密的吊桥墙进入众所周知的城堡。

youdao