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Digital Forensics with Kali Linux

You're reading from   Digital Forensics with Kali Linux Perform data acquisition, data recovery, network forensics, and malware analysis with Kali Linux 2019.x

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Product type Paperback
Published in Apr 2020
Publisher Packt
ISBN-13 9781838640804
Length 334 pages
Edition 2nd Edition
Concepts
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Author (1):
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Shiva V. N. Parasram Shiva V. N. Parasram
Author Profile Icon Shiva V. N. Parasram
Shiva V. N. Parasram
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Table of Contents (17) Chapters Close

Preface 1. Section 1: Kali Linux – Not Just for Penetration Testing
2. Chapter 1: Introduction to Digital Forensics FREE CHAPTER 3. Chapter 2: Installing Kali Linux 4. Section 2: Forensic Fundamentals and Best Practices
5. Chapter 3: Understanding Filesystems and Storage Media 6. Chapter 4: Incident Response and Data Acquisition 7. Section 3: Forensic Tools in Kali Linux
8. Chapter 5: Evidence Acquisition and Preservation with dc3dd and Guymager 9. Chapter 6: File Recovery and Data Carving with foremost, Scalpel, and bulk_extractor 10. Chapter 7: Memory Forensics with Volatility 11. Chapter 8: Artifact Analysis 12. Section 4: Automated Digital Forensic Suites
13. Chapter 9: Autopsy 14. Chapter 10: Analysis with Xplico 15. Chapter 11: Network Analysis 16. Other Books You May Enjoy

Data volatility

In this section, we will take a look at why data is lost when power to the volatile memory is lost.

Data can exist as long as the media it is stored on is capable of storing the data. Hard drives (mechanical and solid-state), flash drives, and memory cards are all non-volatile storage media. Although SSDs have made, and continue to make, drastic improvements in data access times, RAM thus far remains the faster type of memory, typically referred to only as memory, inside devices.

RAM, however, is volatile memory. Unlike non-volatile memory found in hard drives and flash drives, data stored in RAM is kept there temporarily, only for as long as there is an electrical current being provided to the chips. There are two types of RAM that we need to be aware of: Static RAM (SRAM) and Dynamic RAM (DRAM).

SRAM is superior to DRAM but is far more costly because of the expensive materials used in building the chips. SRAM is also physically much larger than DRAM. SRAM...

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