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GA/T 756-2021 English PDF

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GA/T 756-2021: Forensic sciences - Technical specifications for collection and acquisition of digital evidence
Status: Valid

GA/T 756: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GA/T 756-2021English169 Add to Cart 3 days [Need to translate] Forensic sciences - Technical specifications for collection and acquisition of digital evidence Valid GA/T 756-2021
GA/T 756-2008English279 Add to Cart 3 days [Need to translate] Discovering, extraction and preservation method of evidence data on digital device Obsolete GA/T 756-2008

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Basic data

Standard ID GA/T 756-2021 (GA/T756-2021)
Description (Translated English) Forensic sciences - Technical specifications for collection and acquisition of digital evidence
Sector / Industry Public Security (Police) Industry Standard (Recommended)
Classification of Chinese Standard A90
Word Count Estimation 7,796
Issuing agency(ies) Ministry of Public Security

GA/T 756-2021: Forensic sciences - Technical specifications for collection and acquisition of digital evidence


---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Forensic sciences - Technical specifications for collection and acquisition of digital evidence ICS 35.220.20 CCSA90 People's Republic of China Public Safety Industry Standards Replaces GA/T 756-2008 Forensic science electronic data collection and extraction technical specifications digitalevidence Published on 2021-10-14 2022-05-01 Implementation Published by the Ministry of Public Security of the People's Republic of China

foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules of Standardization Documents" drafted. This document replaces GA/T 756-2008 "Fixed Methods for Discovery and Extraction of Digital Equipment Evidence Data", which is consistent with GA/T 756-2008 In addition to editorial changes, the main technical changes are as follows. --- Changed the scope (see Chapter 1, Chapter 1 of the.2008 edition); --- Changed normative references (see Chapter 2, Chapter 2 of the.2008 edition); --- Delete the terms and definitions "digital equipment", "local digitizing equipment", "remote digitizing equipment", "evidence data", "evidence data" Discovery Extract" "Fixed Evidence Data" "Bit-by-Bit Consistency" "Meaning Consistent" "Reproducible Data" "Non-reproducible Data" "Evidence Data" Originality, Evidence Data Integrity, Hash Value, Original Electronic Data Storage Medium, Test Cases (see.2008 edition of 3.1, 3.1.1, 3.1.2, 3.2~3.13); --- Added terms and definitions "computer information system", "local computer information system", "electronic data collection and extraction", "freeze" (see 3.1~3.4); --- Added the content of recording the inspection materials (see 4.1.1, 4.1.2); --- Changed the "Design Test Case", the title name was changed to "Collection Extraction Method", and changed some contents [see 4.2, 4.2.1~ 4.2.11, 4.2, 4.2a)~c) of the.2008 edition]; --- Changed "Finding and extracting fixed evidence data", the title name was changed to "Steps for collecting and extracting electronic data", and changed the section Content [see 4.3, 4.3.1~4.3.9, 4.3, 4.3a)~k) of the.2008 edition]; --- Changed the "inspection record", the title name was changed to "record", and changed part of the content (see Chapter 5, 5.1~5.6,.2008 edition 4.4, 4.4.1~4.4.4); --- Added "representation of collection and extraction results" (see Chapter 6). Please note that some content of this document may be patented. The issuing agency of this document assumes no responsibility for identifying patents. This document is proposed by the National Criminal Technology Standardization Technical Committee Electronic Evidence Inspection Sub-Technical Committee (SAC/TC179/SC7) and return. This document is drafted by. Ministry of Public Security Network Security Bureau, Dalian Public Security Bureau, Tianjin Public Security Criminal Investigation Bureau, Forensic Identification Science Research Research Institute, Xiamen Meiya Pike Information Co., Ltd. The main drafters of this document. Xu Jianzhuo, Liu Xiaoyu, He Xing, Zhai Xiaofei, Hou Junlei, Liu Haoyang, Fan Wei, Tian Zhao, Wan Jiangshan, Wu Qian, Wang Yixiao, Yao Wei, Jiang Youliang, Zhu Guofeng, Guo Hong, Zhang Huiji. The previous versions of the documents replaced by this document are as follows. ---GA/T 756-2008. Forensic science electronic data collection and extraction technical specifications

1 Scope

This document specifies terms and definitions for electronic data collection and extraction in the field of forensic science, general requirements, collection and extraction steps, collection and extraction Take records and express results. This document applies to the collection and extraction of electronic data in the field of forensic science.

2 Normative references

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document. GB/T 31167 Information Security Technology Cloud Computing Service Security Guide GA/T 754 Electronic data storage medium reproduction tool requirements and testing methods GA/T 755 Electronic data storage medium write protection equipment requirements and testing methods GA/T 1069 Forensic Science Electronic Evidence Mobile Phone Inspection Technical Specification GA/T 1174 General method for on-site acquisition of electronic evidence data GA/T 1476 Forensic Science Remote Host Data Acquisition Technical Specification GA/T 1478 Technical Specification for Data Acquisition for Forensic Science Websites GA/T 1568 Forensic Science Electronic Evidence Examination Terminology

3 Terms and Definitions

The terms and definitions defined in GB/T 31167 and GA/T 1568 and the following terms and definitions apply to this document. 3.1 A system with the function of automatically processing data, including computers, network equipment, communication equipment, automatic control equipment and the software it contains system, etc. 3.2 Collect and extract computer information systems that can be physically contacted and operated by personnel. 3.3 Search, analyze and intercept the electronic data stored, processed and transmitted in the computer information system, and collect and extract the electronic data The process of performing an integrity check. 3.4 freeze freeze It is a measure to fix the data in a computer information system in a specific state at a specific time to ensure that it will not change.

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