【摘要】：隨著互聯(lián)網(wǎng)的快速發(fā)展,我國(guó)面臨越來(lái)越復(fù)雜的網(wǎng)絡(luò)安全形式。網(wǎng)絡(luò)是虛擬的,看不見(jiàn)、摸不著的,其中存儲(chǔ)、運(yùn)輸?shù)拇罅繑?shù)據(jù)均為以電子形式存在,因此在大量刑事案件的偵查中不可避免的要調(diào)取大量電子數(shù)據(jù)。我國(guó)2012年修訂的《刑事訴訟法》中將"電子數(shù)據(jù)"作為一種獨(dú)立的證據(jù)納入法定證據(jù)類型,這為刑事案件偵查中提取電子數(shù)據(jù)提供了有力的支撐。本文分為四個(gè)部分進(jìn)行論述,第一部分對(duì)電子數(shù)據(jù)概念及分類進(jìn)行陳述。第二部分討論電子數(shù)據(jù)的收集模型。通過(guò)分析學(xué)界對(duì)取證模型的討論,結(jié)合我國(guó)司法實(shí)踐,論述了筆者認(rèn)為較為合理的取證模型。第三部分主要探討電子數(shù)據(jù)收集提取方法,這是本篇論文的重點(diǎn)。在刑事案件偵查中電子數(shù)據(jù)的收集既要充分利用傳統(tǒng)的偵查手段,又要使用其與傳統(tǒng)證據(jù)不同的新型取證偵查手段,傳統(tǒng)取證手段主要論述了搜查、犯罪現(xiàn)場(chǎng)勘查、直接調(diào)取電子數(shù)據(jù),新型的收集手段論述了電子數(shù)據(jù)勘驗(yàn)、網(wǎng)絡(luò)在線提取及網(wǎng)絡(luò)監(jiān)聽(tīng)監(jiān)控等措施。第四部分是對(duì)電子數(shù)據(jù)收集后的保管固定手段進(jìn)行的分析。一般的證據(jù),其保管過(guò)程較為簡(jiǎn)單,通過(guò)密封、封存保證物沒(méi)有物理上的變化即可。但是電子數(shù)據(jù)具有虛擬性,無(wú)形性、易變性的特點(diǎn),這就使電子數(shù)據(jù)的保管固定變的十分的重要。因此,電子數(shù)據(jù)的固定除了有一般證據(jù)的保管方法外還有其獨(dú)特的固定方法。本文主要討論幾種主要的電子數(shù)據(jù)固定方法,有扣押、封存、備份、凍結(jié)、計(jì)算完整性校驗(yàn)值、拍照、打印、錄像等。對(duì)于上述幾種固定方法,凍結(jié)電子數(shù)據(jù)以及計(jì)算完整性校驗(yàn)值是在刑事偵查中較為新穎的固定證據(jù)的方法,因此本文將重點(diǎn)論述這兩種固定方式的適用情形、適用方法,以及在實(shí)踐中遇到的問(wèn)題。
[Abstract]:With the rapid development of the Internet, our country faces more and more complex network security forms. The network is virtual, invisible and untouchable, in which a large number of data stored and transported exist in electronic form, so it is inevitable to obtain a large number of electronic data in the investigation of a large number of criminal cases. In our country's Criminal procedure Law revised in 2012, "electronic data" is taken as an independent evidence into the legal evidence type, which provides a strong support for the extraction of electronic data in criminal case investigation. This paper is divided into four parts, the first part of the electronic data concept and classification statement. The second part discusses the collection model of electronic data. By analyzing the discussion of the forensic model in academic circles and combining the judicial practice of our country, the author discusses the more reasonable model of forensics. The third part mainly discusses the electronic data collection and extraction method, which is the focus of this paper. In the investigation of criminal cases, the collection of electronic data should not only make full use of the traditional investigative techniques, but also use the new methods of forensic investigation, which are different from the traditional evidence. In order to collect electronic data directly, the new collection methods are discussed, such as electronic data checking, online network extraction and network monitoring and monitoring. The fourth part is the analysis of the fixed means of storage after electronic data collection. General evidence, its custody process is relatively simple, through sealing, seal guarantee no physical changes can be. However, electronic data has the characteristics of fictitious, invisible and changeable, which makes it very important to keep electronic data fixed. Therefore, electronic data fixation in addition to the general evidence of the custody of the method has its own unique fixed method. This paper mainly discusses several main methods of electronic data fixation, such as seizure, storage, backup, freezing, computing integrity check, photography, printing, video recording and so on. For the above several fixed methods, freezing electronic data and calculating the integrity check value are relatively novel methods of fixing evidence in criminal investigation. Therefore, this paper will focus on the application of these two fixed methods and the applicable methods. And the problems encountered in practice.
【學(xué)位授予單位】：山東大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類號(hào)】：D925.2

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