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Digital Forensics Terms

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Write Blocker

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A device or software that prevents any write actions to storage devices, ensuring the original data is not altered during the forensic process. It is crucial for preserving the state of digital evidence.

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Disk Imaging

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Creating an exact, byte-by-byte copy of a storage device. It is important for preserving the original storage state, enabling analysis without risking the integrity of the source evidence.

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Registry Analysis

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The examination of the Windows Registry to extract configuration settings, user information, and installed software data. It is important for understanding a system's setup and user interactions.

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Steganography

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The practice of hiding information within other non-secret text or data, which can be used to obscure data within other files. It is highly important in the context of digital forensics to find hidden information.

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Live Analysis

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Examination of a computer system from within the operating system to collect volatile data. It is important because some crucial evidence might exist only in a running system.

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Hexadecimal Viewer

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A tool that allows investigators to view the raw binary content of a file or a disk in hexadecimal format. It is important for seeing the exact data and potentially identifying patterns or hidden information.

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Timestamp Analysis

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The scrutiny of system and file timestamps to determine the time-related actions on a digital device, which can corroborate events or invalidate alibis. Timestamps are essential in constructing a timeline of events.

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File System Analysis

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The examination of a file system in a computer or storage device to understand its structure and extract metadata. This is important for recovering data and understanding how an attacker may have modified a system.

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Digital Artifact

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Any data in a digital form that can be used in the investigative process of digital forensics. It is important as it can provide valuable information regarding a digital crime or unauthorized activity.

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Encryption Analysis

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The examination of encoded data to detect and decipher encryption in order to access the underlying information. It is important for accessing data that has been secured to prevent unauthorized viewing.

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Chain of Custody

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The chronological documentation that records the sequence of custody, control, transfer, analysis, and disposition of physical or electronic evidence. Important for maintaining the integrity of evidence.

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Data Carving

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The process of extracting data from an unallocated space without any file system metadata, often used to recover deleted files. It is important for discovering data that may have been intentionally hidden or deleted.

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Incident Response

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A structured approach to addressing and managing the aftermath of a security breach or cyberattack. It aims to limit damage and reduce recovery time and costs, retaining trust and security integrity.

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Log File Analysis

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The process of examining system, application, or security logs to identify and understand events that occurred on a digital system. Importantly, this can indicate unauthorized access or other security breaches.

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Memory Dump

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A snapshot of the memory state of a computer at a specific point in time. It is important for analyzing the contents of memory to detect malware, in-progress processes, and system configuration.

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