Jeremiah Believe
Mar 15
Explain any two main methods of forensic image acquisition with an example of each ?
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Mar 15
1. Disk Imaging: Disk imaging is the process of creating a bit-by-bit copy of a storage device, such as a hard drive or USB drive. This method ensures that all data, including deleted files and hidden partitions, are preserved for forensic analysis. One common tool used for disk imaging is FTK Imager, which creates a forensic image file (e.g. E01, DD) that can be analyzed using forensic software.
Example: A forensic investigator uses disk imaging to acquire a copy of a suspect's hard drive in a criminal case. By creating a forensic image of the hard drive, the investigator can analyze the data without altering the original evidence.
2. Memory Imaging: Memory imaging involves capturing the contents of a computer's volatile memory (RAM) in order to analyze running processes, open files, and other volatile data. This method is useful for capturing evidence that may be lost when a computer is shut down or restarted. Tools like Volatility and DumpIt are commonly used for memory imaging.
Example: In a cybercrime investigation, a forensic analyst uses memory imaging to capture the volatile memory of a compromised system. By analyzing the memory dump, the analyst can identify malware, network connections, and other evidence of the cyber attack.
Example: A forensic investigator uses disk imaging to acquire a copy of a suspect's hard drive in a criminal case. By creating a forensic image of the hard drive, the investigator can analyze the data without altering the original evidence.
2. Memory Imaging: Memory imaging involves capturing the contents of a computer's volatile memory (RAM) in order to analyze running processes, open files, and other volatile data. This method is useful for capturing evidence that may be lost when a computer is shut down or restarted. Tools like Volatility and DumpIt are commonly used for memory imaging.
Example: In a cybercrime investigation, a forensic analyst uses memory imaging to capture the volatile memory of a compromised system. By analyzing the memory dump, the analyst can identify malware, network connections, and other evidence of the cyber attack.
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