Join Jungwoo Ryoo for an in-depth discussion in this video Understanding disk drives, part of Learning Computer Forensics.
…Hard disk drives are widely used today and…provide a relatively cheap way of storing data.…As a computer forensics specialist,…you often have to recover data from hard disk drives.…And therefore, it is essential to understand how they work to do…your job effectively as a computer forensic specialist.…Let's get started by learning some terminology.…There are multiple disks inside your hard disk drive.…Those are called platters.…On both sides of the platters, you have read/write heads.…
There's one read/write head on one side.…There's another one on the other side, as you can see in the picture.…This platter is divided into tracks and sectors for addressing purposes.…As you can see in the picture,…tracks are concentric circular patterns on which data is written.…Sectors are evenly divided sections of a track,…which typically holds 512 bytes of data.…The reason why your platter is divided into tracks and…sectors is that they allow you to locate a piece of information when there is a need.…
Based on the track number and…
- Understanding computer forensics
- Understanding partitioning
- Using a hex editor
- Preparing a target drive
- Acquiring data
- Ensuring data integrity with hashing
- Indexing and searching
- Generating a report
Skill Level Intermediate
Q: Which operating systems support built-in write blocking?
Q: Are there other ways to access deleted files in the usbimage.001 file?
Small Office Networking to Connect, Share, and Printwith Garrick Chow3h 23m Appropriate for all
Heartbleed Tactics for Small IT Shopswith David Gassner16m 39s Beginner
1. Understanding Computer Forensics
2. Preparing for a Computer Forensics Investigation
3. Preserving Data
4. Acquiring Data
5. Analyzing Data
Next steps1m 1s
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