The country stepped up internal security.

该国加强了国内安全防卫。

It also provides both external and internal security.

它也提供了外部和内部的安全机制。

India was stunned and its internal security system put to shame.

当时印度格外震惊，印度的国内安全系统也因此蒙羞。

This is an important defense against internal security risks.

这也是一个防范内部安全风险的重要措施。

Hamas's Internal Security Intelligence service hauled hundreds to its headquarters.

哈马斯的内部安全调查机构把几百人强行运至它的总部。