Embassy security personnel refused to admit him or his wife.

使馆保安人员拒绝让他或他的妻子进入。

We have advertised for security personnel.

我们已登广告招聘保安人员。

Security personnel should be trained adequately.

保安人员均须经足够培训。

Among them were said to be a number of Syrian security personnel.

据称，其中包括几名叙利亚安全人员。

Again, this is something security personnel already do, only in a more analog capacity.

这不过是做了安全人员早就在做的事，仅仅是多了推理能力。