More than half in America and Britain do not have a "data map", a document describing what information is being stored and who has access to it, according to a new study by Kroll Ontrack.

根据Kroll Ontrack公司的一项新研究，超过一半的英美企业没有“数据地图”，这种文件描述了什么信息正被存储，谁能接触它们。

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Constantly improving technology has led to an explosion of corporate data. It has also made it more vulnerable, says Tracey Stretton, a legal adviser at Kroll Ontrack, a data-security consultancy.

数据安全咨询公司Kroll Ontrack的法律顾问Tracey Stretton称，技术不断改进，导致企业数据爆发，也致使这些数据愈加脆弱。

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"Everyone understands a gun, " says Olson, who says he practiced his technical explanations for days in front of Ontrack's non-technical managers.

CNN: Legal system gears up for computer crime cases

Read this story about companies like DriveSavers and OnTrack Data Recovery , who rescue files from damaged computers, and you'll soon be rushing to get some blank CDs.

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