What is the purpose of a write block device?
The primary purpose of a hardware write blocker is to intercept and prevent (or ‘block’) any modifying command operation from ever reaching the storage device.
What is a forensic image Why is it used?
A forensic image (forensic copy) is a bit-by-bit, sector-by-sector direct copy of a physical storage device, including all files, folders and unallocated, free and slack space. … Creating and backing up a forensic image helps prevent loss of data due to original drive failures.
When would you use a write blocker?
Write Blocker is a tool designed to prevent any write access to the hard disk, thus permitting read-only access to the data storage devices without compromising the integrity of the data. A write blocking if used correctly can guarantee the protection of the chain of custody.
How does a forensic bridge work?
A device which is installed between a storage media under investigation and an investigator’s computer is called a “bridge Kit.” The bridge kit has one connector for the storage media and another connector the investigator’s computer. It allows the investigator to read, but not alter the device under investigation.
What is forensic backup?
Broadly speaking, forensic backups are achieved by capturing all data from a source media (computers, cell phones, tablets, etc.) … This means the entire contents of the source media are being collected, including unused space, all slack data, all unallocated space, and other medias.
What does a forensic radiographer do?
Identifying pre-existing skeletal trauma, e.g. in cases of suspected non-accidental injuries; Assisting in the determination and/or confirmation of cause of death; Locating hidden foreign bodies, such as packages of illegal substances and fragments of explosives.
What is a forensic image file?
Put simply, a forensic image is a copy of unaltered electronic information. An image file can contain a single file or an entire hard drive. Obtaining a forensic image is a crucial first step to any digital forensic investigation, and if it is not done properly you may have your evidence deemed inadmissible.
What are Mac timestamps?
The term MAC times refers to the timestamps of the latest modification (mtime) or last written time, access (atime) or change (ctime) of a certain file. … The latter refers to the time when the MFT entry itself was modified.
What is the most significant legal issue in computer forensics?
Failure to behave in an ethical manner will erode public confidence in law enforcement, making its job more difficult and less effective. This paper will provide an introduction to the most significant legal issue in computer forensics: admissibility of evidence in criminal cases.
In what situations would you use a software write blocker?
A software write-blocker is used in forensics investigations to stop the writing of new data to the drive in question. That drive could be a traditional disk drive or a USB/flash memory drive. This is important due to chain-of-custody and evidence-admissibility requirements.