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The COLLECTORS ranking scale for 'at-scene' digital device triage

机译：收集者排名为'at-sime'数字设备分类

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摘要

As digital evidence now features prominently in many criminal investigations, such large volumes of requests for the forensic examination of devices has led to well publicized backlogs and delays. In an effort to cope, triage policies are frequently implemented in order to reduce the number of digital devices which are seized unnecessarily. Often first responders are tasked with performing triage at scene in order to decide whether any identified devices should be seized and submitted for forensic examination. In some cases, this is done with the assistance of software which allows device content to be "previewed"; however, in some cases, a first responder will triage devices using their judgment and experience alone, absent of knowledge of the devices content, referred to as "decision-based device triage" (DBDT). This work provides a discussion of the challenges first responders face when carrying out DBDT at scene. In response, the COLLECTORS ranking scale is proposed to help first responders carry out DBDT and to formalize this process in an effort to support quality control of this practice. The COLLECTORS ranking scale consists of 10 categories which first responders should rank a given device against. Each devices cumulative score should be queried against the defined "seizure thresholds" which offer support to first responders in assessing when to seize a device. To offer clarify, an example use-case involving the COLLECTORS ranking scale is included, highlighting its application when faced with multiple digital devices at scene.
机译：由于数字证据现在在许多刑事调查中占据显著地位，对设备进行法医检查的大量请求导致了众所周知的积压和延误。为了应对这种情况，经常实施分流政策，以减少不必要地扣押的数字设备的数量。通常情况下，第一响应者的任务是在现场进行分流，以决定是否应扣押任何已识别的设备并提交法医检查。在某些情况下，这是在允许“预览”设备内容的软件的帮助下完成的；然而，在某些情况下，第一响应者会在不了解设备内容的情况下，仅使用他们的判断和经验对设备进行分类，称为“基于决策的设备分类”（DBDT）。这项工作讨论了急救人员在现场进行DBDT时面临的挑战。作为回应，建议使用收集者排名量表来帮助第一响应者进行DBDT，并将该过程正式化，以支持该实践的质量控制。收集者排名表由10个类别组成，第一响应者应根据这些类别对给定设备进行排名。应根据定义的“扣押阈值”查询每个设备的累积分数，该阈值为第一响应者评估何时扣押设备提供支持。为了澄清问题，本文提供了一个涉及收藏家排名的示例用例，强调了它在现场面对多个数字设备时的应用。

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  • 来源
    《Journal of forensic sciences.》 |2021年第1期|共11页
  • 作者

    Horsman Graeme;

  • 作者单位

    Teesside Univ Campus Heart Southfield Rd Middlesbrough TS1 3BX Cleveland England;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 R89;
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