In nearly all secure programs, your first line of defense is to check every piece of data you receive.

在几乎所有安全的程序中，您的第一道防线就是检查您所接收到的每一条数据。

youdao

The first line of defense in a secure program is to check every untrusted input.

安全的程序中第一道防线是检查每一个不可信的输入。

youdao

Often, it's best to check in both places; that way, if an attacker manages to slip around one defense, they'll still encounter the other.

通常，最好在这两处都对其进行检查；这样，即使一个攻击者成功地突破了一道防线，他们还会遇到另一条。

youdao

Derdiyok calmly check inside the defense in the penalty area and sent a low cross towards Yakin -- who had to wait anxiously at the far post as the ball was held up in a huge puddle of water.

CNN: Turks rain on Swiss Euro 2008 parade

The days of giving defense contractors a blank check are over.

CNN: Obama pledges to turn tide on 'era of fiscal irresponsibility'

Blank-check preferred is usually used as a takeover defense and hedge-fund managers typically want to take this weapon away.

FORBES: Judge Blocks Apple Vote On Preferred Stock -- Do Shareholders Win Or Lose?