Operational risk is a kind of low frequency and high severity loss risk. Its loss distribution shows fat-tail. It is often underestimated by using usual methods for risk measurement.

操作风险发生的频率较低，但可能会引起巨大的损失，其损失分布具有鲜明的厚尾性，因此应用通常的风险计算方法往往会低估风险。

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An improved method is presented in order to remedy the disadvantages of the existing sensitivity methods, such as: false detection of damage locations and high severity estimation error.

针对原有灵敏度法对复杂结构损伤识别中存在的不足(误判损伤位置和高估损伤程度)，本文对其进行了改进。

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We have already mentioned the problems associated with insuring high frequency, low severity events and they certainly fall into the self-retention category.

我们已经提到过一些跟高频率低幅度的事件有关的风险，它们肯定归入自我保留一类。

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And who held the record for leaving the most high severity software bugs unpatched?

FORBES: Connect

One example of those high severity flaws uses a cookie-passing trick.

FORBES: Twenty-Four More Reasons Not To Trust Your Browser's "Padlock"

When IBM filtered those unpatched security flaws by severity, however, Google came out as the least likely to patch critical security bugs in its software that would allow a hacker to completely hijack a target system, leaving 33% of those high severity flaws unpatched over the first half of the year.

FORBES: Connect