2015•정보보호학회논문지Open access

The Research for Digital Evidence Acquisition Procedure within a Full Disk Encryption Environment

Sung-Min Jang, Jung-Heum Park, Chan-ung Pak, Sangjin Lee

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Abstract

최근 개인정보보호에 관심이 증대되면서 암호화 솔루션 사용이 증가하고 있다. 또한, Windows XP 서비스 지원 종료와 함께 사용자의 운영체제 사양이 향상되면서, Bitlocker와 같은 Full Disk Encryption 솔루션의 활용도가 높아질 것으로 예상된다. 따라서 앞으로의 디지털 포렌식 조사는 Full Disk Encryption 환경에 대한 대응이 필요하다. 본 논문에서는 Full Disk Encryption 환경에 대응하는 디지털 증거 수집 절차를 제안하고 Full Disk Encryption 솔루션 중 사용률이 높은 제품들의 대응 방법 및 탐지 도구를 소개한다. As a growing number of people are concerned about the protection of personal information, the use of encryption solution has been increased. In addition, with the end of support for Windows XP and the improvement of operating system, the use of the Full Disk Encryption solution like Bitlocker will be increased. Therefore, it is necessary to consider countermeasures against Full Disk Encryption for the future digital forensic investigation. This paper provides the digital evidence acquisition procedure that responds to the Full Disk Encryption environment and introduces the countermeasures and detection tool against Full Disk Encryption solutions that are widely used.

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최근 개인정보보호에 관심이 증대되면서 암호화 솔루션 사용이 증가하고 있다. 또한, Windows XP 서비스 지원 종료와 함께 사용자의 운영체제 사양이 향상되면서, Bitlocker와 같은 Full Disk Encryption 솔루션의 활용도가 높아질 것으로 예상된다. 따라서 앞으로의 디지털 포렌식 조사는 Full Disk Encryption 환경에 대한 대응이 필요하다. 본 논문에서는 Full Disk Encryption 환경에 대응하는 디지털 증거 수집 절차를 제안하고 Full Disk Encryption 솔루션 중 사용률이 높은 제품들의 대응 방법 및 탐지 도구를 소개한다. As a growing number of people are concerned about the protection of personal information, the use of encryption solution has been increased. In addition, with the end of support for Windows XP and the improvement of operating system, the use of the Full Disk Encryption solution like Bitlocker will be increased. Therefore, it is necessary to consider countermeasures against Full Disk Encryption for the future digital forensic investigation. This paper provides the digital evidence acquisition procedure that responds to the Full Disk Encryption environment and introduces the countermeasures and detection tool against Full Disk Encryption solutions that are widely used.

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Available abstract

최근 개인정보보호에 관심이 증대되면서 암호화 솔루션 사용이 증가하고 있다. 또한, Windows XP 서비스 지원 종료와 함께 사용자의 운영체제 사양이 향상되면서, Bitlocker와 같은 Full Disk Encryption 솔루션의 활용도가 높아질 것으로 예상된다. 따라서 앞으로의 디지털 포렌식 조사는 Full Disk Encryption 환경에 대한 대응이 필요하다. 본 논문에서는 Full Disk Encryption 환경에 대응하는 디지털 증거 수집 절차를 제안하고 Full Disk Encryption 솔루션 중 사용률이 높은 제품들의 대응 방법 및 탐지 도구를 소개한다. As a growing number of people are concerned about the protection of personal information, the use of encryption solution has been increased. In addition, with the end of support for Windows XP and the improvement of operating system, the use of the Full Disk Encryption solution like Bitlocker will be increased. Therefore, it is necessary to consider countermeasures against Full Disk Encryption for the future digital forensic investigation. This paper provides the digital evidence acquisition procedure that responds to the Full Disk Encryption environment and introduces the countermeasures and detection tool against Full Disk Encryption solutions that are widely used.

Key concepts: Disk encryption, Encryption, Filesystem-level encryption, Disk encryption hardware, On-the-fly encryption, Computer science, Disk encryption theory, 40-bit encryption

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