单选题 Which of the following is NOT true of security attacks?

A、 Employees will keep up with security polices and awareness if they are highly-trained.
B、 The rate of security attacks appears faster than the growth of the Internet.
C、 One's computer system will never be secure.
D、 Vulnerabilities can go through phones, wireless devices, and network appliances.

【正确答案】 A

【答案解析】依据是“Employees will never keep up with security polices and awareness．It doesn't matter how much you train and educate your employees．”。