As each new defensive security measure is implemented, it will change the current security posture and subsequently the potential opportunity costs.

每当实施一种新的防御安全措施时，它将会改变当前的安全状况以及紧随其后的潜在的机会成本。

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Security analysts are often called white hats, and white-hat analysis is the use of hacking for defensive purposes.

安全分析师通常称为 白帽（white hat）， 白帽分析是为防御目的而使用的密码破解。

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Before the assault they had used Google Earth to explore 3-d models of the target and determine optimal entry and exit routes, defensive positions, and security posts.

武装人员在袭击之前，利用“Google地球”制作了袭击目标的三维模型，设计了最佳的进出路径、防守位置以及安全岗位。

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Now, Republicans are on the defensive about Social Security and unwilling to attack it.

ECONOMIST: The revolution, phase two | The

The charter prohibits any non-defensive use of force not authorized by the Security Council.

CENTERFORSECURITYPOLICY: The vague new crime of ��aggression��

With outdated defensive strategies, it is virtually impossible for security teams to achieve anything close to information superiority.

FORBES: A New Approach To Protect Against Cyber Attacks