• International Journal of Internet, Broadcasting and Communication
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• 제9권3호
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• pp.17-26
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• 2017

An anti-forensic data hiding method in an NTFS index record is a method designed for anti-forensics, which records data as a file name in index entries and thereafter the index entries are made to remain in the intentionally generated slack area in a 4KB-sized index record[7]. In this paper, we propose a maximum data allocation rule for an anti-forensic data hiding method in an NTFS index record; i.e., a computational method for storing optimal data to hide data in an index record of NTFS is developed and the optimal solution is obtained by applying the method. We confirm that the result of analyzing the case where the number of index entries n = 7 is the maximum case, and show the screen captures of index entries as experimental results.

• 한국자동차공학회논문집
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• 제25권3호
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• pp.317-325
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• 2017

The EDR(Event Data Recorder) is a part of the ACU(Airbag Control Unit) functions mounted on a vehicle. EDR data have pre-crash data and post-crash data. Pre-crash data are recorded within 5 sec from time zero(AE) with 0.5 sec resolution, and reveal vehicle speed, engine rotation speed, throttle opening, brake pedal operation, acceleration pedal position and steering angle, etc. Using this EDR data, the investigation of a traffic accident can become more objective and scientific. Crash tests of three vehicles equipped with EDR function had been performed successfully. Evaluation of EDR data reliability had also been performed using Vbox and PC-Crash's sequence table function. Based on the results, we could confirm EDR data's reliability and availability for Traffic Accident Analysis by the series of this process.

• 디지털산업정보학회논문지
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• 제6권3호
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• pp.79-89
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• 2010

Cellular and Smart phone through the business and real life is associated with an increasing number of information processing, Breaches associated with mobile terminal Tile has occurred and cause Crime and damage. In this paper, Cellular and Smart phone for mobile forensics SYN scheme and JTAG scheme to target Cellular and Smart phone for the extraction of forensic data will be studied. SYN, JTAG approach to forensic analysis indicate with the process, Every Smart phone's OS specific performance and data extraction were compared. In the laboratory, Cell and smart phone with the SYN scheme and JTAG scheme to extract forensic data Improvement compared to the extraction is presented.

• 임상간호연구
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• 제20권1호
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• pp.64-74
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• 2014

Purpose: Purpose of this study was to identify the factors influencing forensic nursing performance role of Emergency Department(ED) nurses. Methods: The study was conducted with 120 ED nurses from Busan. Data were collected during July, 2013 and analyzed using SPSS Win 19.0 program. Results: There were positive correlations between awareness of the forensic nursing role and forensic interest (r=.29, p=.001), between awareness of the forensic nursing role and forensic nursing performance role (r=.54, p<.001), and between forensic experience and forensic nursing performance role (r=.26, p=.004). Awareness of forensic nursing role (${\beta}=.50$, p<.001) and experience in forensics (${\beta}=.24$, p<.001) were significant predictors of forensic nursing role performance and explained 35.9% of the variance. Conclusion: To improve forensic experience, medical institutions should provide education and training for ED nurses to increase their indirect experience. Periodic assessment should also be done. Nurses with training assigned to the ED will enhance the forensic nursing role performance.

• 대한의생명과학회지
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• 제26권4호
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• pp.275-287
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• 2020

Since its introduction in the forensic field, quantitative PCR (qPCR) has played an essential role in DNA analysis. Quality of DNA should be evaluated before short tandem repeat (STR) profiling to obtain reliable results and reduce unnecessary costs. To this end, various human DNA quantification kits have been developed. Among these kits, the PowerQunat® System was designed not only to determine the total amount of human DNA and human male DNA from a forensic evidence item, but also to offer data about degradation of DNA samples. However, a crucial limitation of the PowerQunat® System is its high cost. Therefore, to minimize the cost of DNA quantification, we evaluated kit performance using a reduced volume of reagents (1/2-volume) using DNA samples of varying types and concentrations. Our results demonstrated that the low-volume method has almost comparable performance to the manufacturer's method for human DNA quantification, human male DNA quantification, and DNA degradation index. Furthermore, using a reduced volume of regents, it is possible to run 2 times more reactions per kit. We expect the proposed low-volume method to cut costs in half for laboratories dealing with large numbers of DNA samples.

• 대한의생명과학회지
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• 제28권3호
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• pp.157-169
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• 2022

DNA typing is the typical technology in the forensic science and plays a significant role in the personal identification of victims and suspects. Short tandem repeat (STR) is the short tandemly repeated DNA sequence consisting of 2~7 bp DNA units in specific loci. It is disseminated across the human genome and represents polymorphism among individuals. Because polymorphism is a key feature of the application of DNA typing STR analysis, STR analysis becomes the standard technology in forensics. Therefore, the DNA database (DNA-DB) was first introduced with 4 essential STR markers for the application of forensic science; however, the number of STR markers was expanded from 4 to 13 and 13 to 20 later to counteract the continuously increased DNA profile and other needed situations. After applying expanded STR markers to the South Korean DNA-DB system, it positively affected to low copy number analysis that had a high possibility of partial DNA profiles, and especially contributed to the theft cases due to the high portion of touch DNA evidence in the theft case. Furthermore, STR marker expansion not only contributed to the resolution of cold cases but also increased kinship index indicating the potential for improved kinship test accuracy using extended STR markers. Collectively, the expansion of the STR locus was considered to be necessary to keep pace with the continuously increasing DNA profile, and to improve the data integrity of the DNA-DB.

• Journal of Korean Biological Nursing Science
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• 제15권3호
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• pp.115-121
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• 2013

Purpose: The purpose of this study was to examine the student's awareness of the forensic nurse's role and needs for forensic nursing education. This is to provide basic data in order to develop the forensic nursing education program. Methods: The questionnaire was done by 355 nursing students at 12 different nursing colleges from March 1 to April 30, 2013. To analyze the data, the SPSS 18.0 program was used and ANOVA was carried out to see the differences of cognition concerning the need of schooling and the forensic nurse's role. Results: There was significant difference on the intention of participation in forensic nursing education according to the recognized forensic nurse's role (p=.010). There was no significant difference on the needs of the education, but there were increased educational demands when awareness of the forensic nurse's role was the higher group ($3.44{\pm}0.16$) rather than the lower group ($3.33{\pm}0.22$). Conclusion: This study demonstrated the nursing student's needs concerning forensic nursing education. Therefore, we suggest the development of a forensic nursing curriculum.

• 한국안전학회지
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• 제31권3호
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• pp.60-67
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• 2016

The gas leak and explosion accident is able to give a fatal injury to nearby people from the explosion center and interest in effect of the explosion on the human body is increased. Accidents by Portable Butane Gas Range of a gas explosion accident occupy the most share. As a result, the injury on the human body frequently occur. However, It is situation that are experiencing difficulties in consequence analysis of explosion accidents owing to shortage of explosion power data and lack of research on the effect of the human body by the gas explosion. This paper acquire human injury data by performing the actual explosion experiment with Portable Butane Gas Range and evaluate power by explosion and effect of explosion on the human body to perform explosion simulation with LS-DYNA program. It is intended to contribute to the exact cause of the accident investigation and the same type of accident prevention.

• 한국정보통신학회:학술대회논문집
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• 한국정보통신학회 2017년도 추계학술대회
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• pp.353-355
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• 2017

최근 발달된 디지털기기들은 사이버로 연결되어 사용되고 있다. 디지털기기 사용자들은 사이버에 연결된 단말기들을 활용하여 금융결제, 전자상거래 등 활동을 하고 있다. 사이버거래의 활성화와 함께 사용자에 대한 사이버범죄가 증가하고 있다. 사이버범죄의 수사에서 Forensic 증거자료를 확보하여야 한다. 하지만, 디지털 포렌식 증거자료를 분석하기에는 많은 정보가 함유되어 있다. 이러한 많은 디지털정보에서, 사이버범죄에 증거를 확보하기 위한 Script가 효율적인 방안이다. 본 논문 연구에서는 Script를 활용하여, Forensic 증거자료를 확보하는 방안을 연구한다. EnCase를 통한 증거자료 추출과 Script를 활용한 증거자료 확보 방안을 연구한다. 본 연구는 안전한 국민생활을 위한 사이버 보안의 기초자료로 활용될 것이다.

• 한국정보통신학회:학술대회논문집
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• 한국해양정보통신학회 2010년도 추계학술대회
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• pp.235-239
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• 2010

휴대폰 사용이 포화상태에 이르고, 최근 iPhone을 비롯한 Smart Phone의 사용이 급격히 증가하고 있다. 현재 휴대폰에서 포렌식 자료 추출하는 방법은 SYN, JTAG, Revolving 세가지 방법이 있다. 하지만 휴대폰과 Smart Phone의 기술과 사용방법의 차이로 인하여 포렌식 자료 추출 방법도 달라야 한다. 따라서 본 논문에서는 Smart Phone에서의 포렌식 자료 추출 방법을 연구하고자 한다. Smart Phone에서는 많이 사용되는 Google Android와 Windows Mobile Smart Phone의 분석을 위하여 스펙과 O.S. 분석, 데이터 분석을 한다. 또한 Google Android와 Windows Mobile Smart Phone의 포렌식 자료를 추출하여 증거자료를 생성한다. 본 연구를 통하여 실험된 기술 연구는 모바일 Smart Phone 포렌식 기술 발전에 기여할 것이다.