Kerberos is the most popular underlying security mechanism available with GSS-API.

Kerberos是通过GSS - API使用的最流行的底层安全机制。

youdao

This brings up a few questions: What if a malicious user hacks the underlying security mechanism itself?

这会带来几个问题：如果恶意用户攻破了底层安全机制本身，那么会怎么样？

youdao

Note that the tokens are opaque binary data, and only the underlying security mechanism needs to be able to interpret them.

注意，标志(token)是隐性二进制数据，只有底层安全性机制才需要能够解释它们。

youdao

The ETF only represents the underlying security or index it is designed to mimic.

FORBES: A Canadian Closed-End Gold And Silver Fund With A Tax Break

Market makers are not able to buy or sell the underlying corporate bonds because volume mismatches occur between ETF trading and underlying security trading.

FORBES: Why We Don't Buy Corporate Bond ETFs

An option on a futures contract is the right, but not the obligation, to buy or sell the underlying security at a particular price within a specific time.

FORBES: METALS OUTLOOK: Gold Eyeing Support At $1,636/Oz