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Towards an Automated Digital Data Forensic Model with specific reference to Investigation Processes

机译:迈向自动数字数据取证模型,具体参考调查过程

摘要

Digital Data Forensics is constantly under scrutiny to standardize processes. Previous researchers moved between various frameworks without presenting a firm platform or solution, addressing standardization. Only a few researchers referred to automated investigation processes. Established data banks do not exist. We investigate whether investigators use forensic frameworks in their investigations. We question if these frameworks are guiding the investigation and the feasibility of an automated investigation model. We also investigate if a prediction based on a global digital forensic data bank is possible. Investigation processes with regard to the readiness of automated investigation is also investigated. Problems encountered are primarily linked to privacy is a major concern. The lack or willingness to address privacy up front, place obstacles in the way of would be researchers. The term automated forensics and automated tools are misunderstood, some participants regard automation as automated software tools and address this as: “Forensic automation is already becoming a problem by giving untrained examiners a false sense of security when in reality, they are not conducting an examination at all” Investigations using software that reflects a click and drag scenario, does not promote an academic research platform. We suggests automated forensics to be the process of investigation where the investigator make use of previous data based on predictive analysis of data bank from previous data and make use of forensic software in a lesser part. We suggest changing the mindset from “automated software”, to “automated analysis” whereby investigators could sift through the first level of classification and determine sub levels of the investigation with optimal running of scripts, suitable for level comparison and prediction. (Beebe, 2009) suggests using an Intelligent Analytical Approach extending artificial intelligence and other intelligent search enabling successful retrieval, making use of algorithms. This supports our point of view as well; using a stronger reflection to a semantic vs. literal searching technique should set a base platform, substituting the traditional literal searches. This also fits well with our vision of having a structured, relational data structure in place thereby improving data indexing. This would ultimately present a match based on “fuzzy hashing” which require a complete paradigm shift. This shift would step away from the overwhelming traditional search patterns and move to prediction of similar cases. We suggest using predictive Markov models, analyzing data for predictive similarity in events. We will also move to a fuzzy re-classification of data models. Since each case differs substantially, a model built from a generic level to predictive sub levels is suggested. This research did not cover relational database creation and classification of variables, further research will be conducted. In other words, we form predictions, irrespective of the investigation model followed. Further research is required in classifying variables and groups. It is questionable whether forensic investigators would follow standardized procedures at all—considering they are following their own customized methods to date. This presents a problem for standardization and ultimately automation.
机译:不断对数字数据取证进行标准化过程的审查。以前的研究人员在各种框架之间移动,而没有提出一个可靠的平台或解决方案来解决标准化问题。只有少数研究人员提到了自动调查过程。建立的数据库不存在。我们调查调查人员在调查中是否使用法医框架。我们质疑这些框架是否正在指导调查以及自动调查模型的可行性。我们还调查了基于全球数字取证数据库的预测是否可能。还调查了有关自动调查准备情况的调查过程。主要遇到的问题是与隐私相关的问题。缺乏或愿意预先解决隐私问题,将成为研究人员的障碍。术语“自动取证和自动化工具”被误解了,一些参与者将自动化视为自动化软件工具,并将其解决为:“法医自动化已经成为问题,因为未经培训的审查员在实际上不进行检查时会给他们错误的安全感。根本”使用反映点击和拖动场景的软件进行的调查不会促进学术研究平台的发展。我们建议自动取证是调查的过程,其中调查员基于对先前数据的数据库的预测分析来利用先前的数据,并在较小的部分中利用取证软件。我们建议将思维方式从“自动化软件”更改为“自动化分析”,以便调查人员可以筛选出第一级分类,并通过最佳运行脚本来确定调查的子级,从而适合进行水平比较和预测。 (Beebe,2009)建议使用智能分析方法来扩展人工智能和其他智能搜索,从而利用算法实现成功的检索。这也支持我们的观点。在语义和文字搜索技术之间使用更强的反映应该建立一个基础平台,取代传统的文字搜索。这也非常符合我们的愿景,即拥有结构化的关系数据结构,从而改善数据索引。最终,这将基于“模糊散列”提出匹配,这需要完整的范式转换。这一转变将摆脱繁重的传统搜索模式,并转向类似情况的预测。我们建议使用预测性马尔可夫模型,分析数据以预测事件中的相似性。我们还将移动到数据模型的模糊重新分类。由于每种情况都大不相同,因此建议建立一个从通用级别到预测子级别的模型。这项研究没有涵盖关系数据库的创建和变量分类,将进行进一步的研究。换句话说,我们形成预测,而与遵循的调查模型无关。需要对变量和组进行分类的进一步研究。令人怀疑的是,法医调查人员是否会完全遵循标准化程序-考虑到他们迄今仍在遵循自己的定制方法。这提出了标准化以及最终自动化的问题。

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    Scholtz Johan;

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  • 年度 2010
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