Many organizations today have identity cards, and use passwords and multi-factor authentication to authenticate and authorize people. If there's trouble, things can be done: Identity cards can be replaced with new serial numbers; passwords can be changed; digital certificates revoked; keys and locks changed.Many organizations today have identity cards, a
阅读背景：
如何识别或授权时间旅行组织的成员？
来源：互联网
分享到：
