Course description
This course defines what unallocated space is. The student examiner learns how to carve data from unallocated space and explores the importance of file headers when doing so.

Syllabus
Project challenges
File — 00:10:00
Project solutions
File — 00:10:00
Project walkthrough
Video — 00:04:25
Project hints
Video — 00:21:48
File headers and slack space
Video — 00:07:11
This video will define file slack and file headers and show how to use this knowledge to recover deleted information.
Physical versus logical file size
Video — 00:03:43
This video describes the difference between physical and logical file size and the impact this has on file recovery.
Manual file-carving techniques
Video — 00:27:51
This video thoroughly explains how to manually recover deleted file and folders from an operating system.
Automated file carving
Video — 00:07:05
This video shows the learner how to use automated tools to recover file and folders.

Meet the author
In addition to being an Infosec instructor, Denise Duffy teaches computer forensics worldwide to European law enforcement through the European Anti-Fraud Office. During her 25-year career at the Middletown Police Department, Denise underwent extensive training in specialized computer and mobile device forensics, including widespread access data courses, multiple IACIS trainings, U.S. Secret Service Training at the National Computer Forensics Institute, BlackBag Technologies Training, many National White Collar Crime (NW3C) courses, an X-Ways online course and considerable Internet Crimes Against Children Training (ICAC) courses.
Denise currently holds the following certifications: CFCE (Certified Forensic Computer Examiner), CCFE (Certified Computer Forensics Examiner), CMFE (Certified Mobile Forensics Examiner) and CEH (Certified Ethical Hacker). She is most proud of her two sons who joined the U.S. Military, as Denise is a Desert Shield/Desert Storm veteran herself.
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You're in good company
We use Infosec Skills to provide continuous training to our technicians and to prepare them for various certifications. Infosec Skills allows us to create personalized training programs that focus on each of our technicians’ particular roles and see their progress as they take courses. We also, recommend it to clients to make their IT support teams better.
Caleb Yankus
This has been utilized to bridge the skills gap across our cyber team and to aid them as they prepare for their various certifications. It also has provided a nice learning foundation for our various cyber team members to utilize as we continue to find ways for cross-utilization with operations while minimizing the downtime needed to ensure everyone’s knowledge is the same.
Daniel Simpson
We use Infosec Skills to provide base level knowledge for employees. We also use the services to provide in depth learning for employees as they encounter new technologies. If an employee is is assigned to a new project, we can rely on Infosec Skills to provide a rapid concentrated learning environment. This rapid concentrated learning positions our employees for success.
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Plans & pricing
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Infosec Skills Personal
- 190+ role-guided learning paths (e.g., Ethical Hacking, Threat Hunting)
- 100s of hands-on labs in cloud-hosted cyber ranges
- Custom certification practice exams (e.g., CISSP, Security+)
- Skill assessments
- Infosec peer community support
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- Dedicated client success manager
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Integrations via API
Retrieve training performance and engagement metrics and integrate learner data into your existing LMS or HRS.
- 190+ role-guided learning paths and assessments (e.g., Incident Response)
- 100s of hands-on labs in cloud-hosted cyber ranges
- Create and assign custom learning paths
- Custom certification practice exams (e.g., CISSP, CISA)
- Optional upgrade: Guarantee team certification with live boot camps
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