许多学校现在提供网络安全课程来应对数字时代的挑战。

Many schools now offer ___cyber security courses to address challenges in the digital age.

网络安全专家正在调查这起网络攻击。

The ___cyber security expert is investigating this online attack.

许多公司正在投资网络安全以防止数据泄露。

Many companies are investing in ___cyber security to prevent data breaches.