First, that security depends on a combination of technology and policy; and second, that no system is ever totally secure.

第一，安全依赖于技术和政策的联合体。第二，永远没有完全安全的系统。

youdao

In the first article in this series, I introduced Acegi and explained how to use security filters to implement a simple, URL-based security system.

在本系列第一篇文章中，我介绍了Acegi并解释了如何使用安全过滤器实现一个简单的基于URL的安全系统。

youdao

If you haven't implemented that set of rules first using AIXPert, the tool can't check the security of your system.

如果没有先使用AIXPert实现规则集，工具就无法检查系统的安全性。

youdao

His latest statement focused on the need to correct flaws in the aviation security system that allowed the would-be bomber to board the Detroit-bound flight in the first place.

VOA: standard.2009.12.29

In 2010, the Social Security system ran its first current account deficit since 1983, and for the first time since the reforms the deficit was covered by redeeming Trust Fund bonds.

WSJ: Thomas Saving: Obama's Debt-Ceiling Scare Tactics

The social-security system is in the red for the first time since 1999.

ECONOMIST: The new government is turning the fiscal screws

We already are at the tipping point: In 2010, Social Security ran a deficit for the first time since the system was overhauled in the 1980s.

FORBES: Americans Need More Work And Less College