Be careful not to give away personal information like your ID numbers.

注意不要泄露你的身份证号码等个人信息。

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youdao

But security experts warn that attackers could use their foothold on the system to start stealing users' and customers' credit card Numbers and personal information.

但是安全专家警告说攻击者可以利用他们在系统中的立足点偷窃用户和客户的信用卡账号和个人信息。

youdao

The obvious solution to me was to sort them by number dialed, and then figure out which were work numbers and which were personal numbers, but that solution was not raised.

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We have a technical ('smart') phoning system in place where people have their own personal numbers which they log in against their desk...but many people have problems with this, or forget to log out.

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Consider the damage a union can do with personal phone numbers.

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