What does a software write blocker do?
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.
When using a write blocking device you cant remove?
Data viewing, keyword searching, decompressing are three subfunctions of the extraction function. When using a write-blocking device you can’t remove and reconnect drives without having to shut down your workstation.
Why no write blocker is used during mobile forensics?
Mobile acquisition tools are actually run on the device itself (the tools load client APIs to the device, or install small code into the device’s RAM during boot (bootloaders), etc) – if these were write blocked it would be impossible.
At which stage of the digital forensic process would a write blocker be used?
A write blocker, which is designed to prevent the alteration of data during the copying process (Cybercrime Module 4 on Introduction to Digital Forensics), should be used before extraction whenever possible in order to prevent the modification of data during the copying process ( SWGDE Best Practices for Computer …
What is the use of write blockers in digital forensics?
Write blockers are devices that allow you to read the information on the drive without the possibility of accidentally altering or writing to the drive contents. When using DVR Examiner, we always ask you to connect the DVR to your computer in a write-protected manner.
Why write blocker is needed during the investigation?
What are the main challenges of write blocking?
Challenges of using Hardware Write Blockers:
- Hardware write blocking devices are very expensive.
- They are awkward to use since they require a physical connection and a different connector for each type of interface for IDE, SCSI, USB, etc.