Static Acquisition In Computer Forensics

In computer forensics, static acquisition is the process of acquiring data from a system that is not running. This can be done by taking a image of the system’s storage media or by taking a image of the system’s memory. The goal of static acquisition is to preserve the state of the system at the time of the acquisition. This is important because the data on the system may be important evidence in a criminal investigation.

Data acquisition is the process of extracting and gathering data from storage media that has not changed. It is never a good idea to perform a forensic investigation on the original evidence or source of evidence because it can alter the data and render the evidence ineligible for trial. Use a duplicate bitstream image of a suspicious file/drive to see static data and proceed with the creation of a new folder. All sectors of a target drive, as well as the hidden and residual data, are copied during the process. Bit-stream programs must be validate using CRC computations. This type of imaging, in addition to requiring more space, takes a longer time to complete. Because backups do not include the same or complete data as CDs or DVDs, they include OS data such as the live file system structure.

To summarize, static data acquisition entails the extraction and analysis of data from storage media that is not altered. Nonvolatile data sources include hard drives, DVD-ROM drives, USB drives, flash cards, smart phones, external hard drives, and so on.

This is done in static acquisition. This method is used to detect a write-protected drive and perform a data acquisition. If there is correct preservation of the evidence, static acquisitions can be made on a regular basis. This is a completely encrypted disk. The encryption technique employs sector-by-sector encryption of a drive.

Despite the fact that the acquisition is repeated numerous times, no changes are made to the original data. When a computer is running, it acquires new data by making a second live acquisition. When conducting a static acquisition, you should prioritize the preservation of digital evidence.

What Is The Purpose Of A Static Acquisition?

A static acquisition is a process where a company or organization takes over another company or organization through a series of steps in order to obtain its assets. The purpose of a static acquisition is to increase the size and scope of the company or organization that is doing the acquiring, as well as to gain access to the resources of the company or organization that is being acquired. Static acquisitions can be done through a number of methods, such as mergers, acquisitions, and joint ventures.

How Does A Forensics Examiner Define An Acquisition?

An acquisition of digital forensic data entails creating a forensically sound bit for bit copy of a data structure on a storage device. After a forensic acquisition has been completed, the acquired forensic image must be authenticated.

When starting to image a RAID, you should take into account two important considerations. Is it possible to off the RAID array? Can you image individual RAID drives and components? It can either be saved directly to a formatted storage drive (NTFS) connected to the RAID system or sent across a network to a different location. When a storage device is imaging across the network, it is shared with a remote system that is connected to it. The examiner is typically the one who boots a hardware RAID system using their favorite boot CD if it can be shutdown. RAID drives can be imaged individually using a wide range of forensic tools.

EnCase Forensics software, with its ability to rebuild both hardware and software RAID configurations, is an excellent choice. You can accomplish this task in software RAID by adding all of the disk components to the EnCase interface. EnCase will reconstruct the hardware RAID using data entered during the RAID-reconstruction process if the information entered is correct. In this chapter, we’ll go over some of the various forensic acquisitions that can be performed on iPhones, iPads, and other iOS devices. On the iPhone or iPad, you can perform three types of data acquisition: backup, logical acquisition, and physical acquisition. A forensic recovery of the iPhone’s backup data can be performed. This chapter discusses the various types of acquisitions and procedures that must be followed when handling an Android device.

There are seven different methods for circumventing pass codes. This article describes the techniques for snapping a photograph of an NAND flash memory chip. iXAM has been shown to provide a wide range of information that is potentially critical to law enforcement investigations. The National Institute of Standards and Technology recently tested and verified the iXAM protocol. iXAM’s FTP site allows users to connect to and update software. The purchase of the 3G iPhone was complicated due to the use of a virtual machine. It took approximately 20 minutes to complete the installation, which included both provisioning and postinstallation.

We estimate that the imaging took 85 h to complete, so it was done over the weekend. The most common way to view standard data is to look through the database and plist files. The acquisition is expected to take 75% less time with iXAM. Among the items recovered were important pieces of information as well as photos and other images. Using the strings command, the image’s entire text was searched for specific words. All messages with the sender, as well as the three that were previously known to have been deleted, were found. Human error is the primary risk factor associated with manual acquisition, as opposed to previous acquisition methods.

Manual examination reduces the risk of modifying the original evidence as a result of a properly conducted examination. The examiner typically manipulates the phone to read text messages or call histories as part of a manual examination. If there is no modification or tampering with the phone evidence, no photographs alone can provide any real proof. A digital video camera can be used to record the entire process, making it possible to establish a true record of a manual examination. The author of this book explains how to recover a stolen or lost phone’s e-mail and other data by using the phone’s built-in security. A forensic examiner or an attacker can use either of these techniques in a case. Physical access to the device is required in the first instance, whereas remote exploits, vulnerabilities, and malicious software are required in the second.

Securing an Apple device is critical in order to prevent it from being remotely exploited. To obtain the subject systems, you must use F-Response TACTICAL on both Windows and Mac OS X. This pair works as a pair to connect the remote subject system to the digital investigator‘s examination system by using iSCSI auto-beaconing. During the execution, the F-Response TACTICAL Examiner activates in autolocate mode, listening for the beacon of the TACTICAL Subject. A beacon can be found and the subject system can be identified as an iSCSI target once it has been identified. The digital investigator will then be able to connect to the subject system using iscsiadm commands. When a VSC has been available, it is possible to collect information by image it. If you use George M. Garner’s Forensic Acquisition Utilities, you can do this by attaching an image to your analysis workstation.

Each VSC will require 700 GB of storage space. The task can be difficult to complete, but it can be necessary at times. You can also automate a large part of your data collection with Windows native batch file functionality. By automating this process, you reduce the chances of errors while increasing your efficiency. To retrieve specific files, the RoboCopy.exe file can be used. This command copies files with. JPG and.txt extensions from the user profiles to a specific directory on the analysis computer, and it records the activity.

After you’ve used the commands, you can now disable symbolic links by following the following command:. For /l%i in (20,1,23), there should be a new rmdir C:/vsc_output/vsc%i *.JPG file. The letter/number is in case you forgot it. The DAT /XJ /w:0 /r:0. There are a number of excellent online resources that provide batch file command references. In addition to the tutorial, http://commandwindows.com/batch.htm can assist you in creating batch files. IEF4 enables you to search files or hard drives for Internet artifacts such as Facebook, MySpace, mIRC, and Google chat.

What Does A Logical Acquisition And Sparse Acquisition Collect For An Investigation?

A logical acquisition collects all the data that is stored on a computer system. This type of acquisition is often used in computer forensics investigations. A sparse acquisition only collects the data that is needed for an investigation. This type of acquisition is often used in criminal investigations.

Sparse acquisition is a term used in signal processing and machine learning to describe a data acquisition strategy that samples input signals at a lower rate than Nyquist rates. A logical acquisition is a method of gathering evidence from a computer that will preserve data on the drive. In forensic analysis, there are four methods of obtaining data: image acquisition, seizure, forensic acquisition, and voluntary disclosure. Data acquisition is the process of sampling signals from the physical world to measure, characterize, and/or control a process. Data acquisition can be accomplished by using sensors, measuring environmental conditions, or monitoring manufacturing processes. Survey, focus group, and interview methods are some of the most common methods of gathering information. The process of obtaining a copy of all or part of the data on a hard drive, such as a copy of all or part of the data on a hard drive, without modifying the original information is referred to as physical acquisition.

Digital data acquisition is a type of data acquisition that employs digital signals. Surveys, observational studies, experiments, and secondary data collection are all methods for collecting data. Obtaining digital evidence from a computer or electronic device is a critical component of forensic investigation. An image of the device’s contents can be created, as can extracting files and data from the device. Data acquisition is the process of preserving all evidence that a forensic expert may have. Signals are acquired by means of sparse acquisition, which is used in machine learning and signal processing.

The Main Goal Of A Static Acquisition Is The Preservation Of Digital Evidence.

The goal of static acquisition is the preservation of digital evidence. This is done by making an exact copy of the digital evidence so that it can be used in a court of law. The copy is made by using a software program that makes an exact copy of the data on the digital evidence.

Primeau Forensics, a company founded in 1995, provides digital evidence acquisition and preservation services. It is not uncommon for digital evidence, such as computer data, to be fragile. If handled incorrectly, delicate coding may sustain damage or be completely destroyed. To establish a chain of custody, proper acquisition methods and methods are required. Primeau Forensics has been in the business of forensics for over four decades. A comprehensive and regulated evidence acquisition process confirms the validity of data obtained in litigation. As an expert witness, we are also certified to testify in court. Contact us today or call (800) 647-4281 to learn more about what we can do for you.