Digital Forensics

main steps and procedures for gathering forensic evidence and establishing an efficient process for tracking intrusion events.
Here are some resources on gathering digital forensic evidence.
DFS101 1.1 Introduction to Digital Forensics
https://www.youtube.com/embed/giv0DQDSsjQ

Digital Forensics – What you need to know. Part 1.
https://www.youtube.com/embed/alxwRS74Rbs
Digital Forensics – What you need to know. Part 2.
https://www.youtube.com/embed/uGcLaZ6-cu8
(2022). Day in the Life of DFIR – skills needed for a career in Digital Forensics and Incident Response.
https://www.youtube.com/embed/MAE4N97NSM8
When you have reviewed these materials, compose a short paper on the topic (3-5 pages, not counting the cover and references).
Case Assignment
In preparing the Case Assignment, address the topics below:
• Describe the field of Computer Forensics.
• Develop a plan for gathering forensic evidence.
• Main steps and procedures in gathering forensic evidence.
• Discuss your plan in the context of a small (less than 500 people) to large global firm.

Full Answer Section

 

n this paper, I will discuss the main steps and procedures for gathering forensic evidence. I will also discuss how to develop a plan for gathering forensic evidence in the context of a small to large global firm.

What is Computer Forensics?

Computer forensics is the process of collecting, preserving, analyzing, and presenting digital evidence. It is used to investigate a wide variety of crimes, including cybercrime, fraud, and intellectual property theft.

Digital evidence can be found on a variety of devices, including computers, laptops, smartphones, tablets, and even wearable devices. It can also be found in the form of network traffic, email, and social media posts.

The goal of computer forensics is to recover and preserve digital evidence in a way that is admissible in court. This means that the evidence must be collected and analyzed in a careful and methodical way.

Steps in Gathering Forensic Evidence

The steps involved in gathering forensic evidence can be broken down into the following five phases:

  1. Planning: The first step is to develop a plan for gathering evidence. This plan should include the following:
    • The scope of the investigation
    • The types of evidence that need to be collected
    • The tools and techniques that will be used to collect evidence
    • The steps that will be taken to preserve evidence
  2. Acquisition: The next step is to acquire the evidence. This can be done by imaging the hard drive of a computer, downloading email, or collecting network traffic.
  3. Preservation: Once the evidence has been acquired, it needs to be preserved in a way that ensures its integrity. This means that the evidence must be stored in a secure location and that access to the evidence must be controlled.
  4. Analysis: The next step is to analyze the evidence. This involves using specialized tools and techniques to extract information from the evidence.
  5. Reporting: The final step is to report the findings of the investigation. This report should be clear and concise and should be written in a way that is understandable to both technical and non-technical audiences.

Developing a Plan for Gathering Forensic Evidence

The first step in developing a plan for gathering forensic evidence is to determine the scope of the investigation. This will involve identifying the type of crime that has been committed, the devices that may contain evidence, and the individuals who may be involved.

Once the scope of the investigation has been determined, the next step is to identify the types of evidence that need to be collected. This will depend on the specific crime that has been committed. For example, if a cybercrime has been committed, the investigator may need to collect network traffic, email, and social media posts.

The next step is to select the tools and techniques that will be used to collect evidence. There are a variety of tools and techniques available, each with its own advantages and disadvantages. The investigator will need to select the tools and techniques that are most appropriate for the specific case.

Once the tools and techniques have been selected, the next step is to develop a plan for preserving evidence. This plan should include the following: * The steps that will be taken to prevent the evidence from being damaged or destroyed * The location where the evidence will be stored * The access controls that will be used to protect the evidence

The final step in developing a plan for gathering forensic evidence is to test the plan. This will help to ensure that the plan is effective and that it can be implemented in a timely manner.

Gathering Forensic Evidence in a Small to Large Global Firm

The process of gathering forensic evidence in a small to large global firm is similar to the process of gathering forensic evidence in any other organization. However, there are some specific challenges that need to be addressed in a large firm.

One challenge is the volume of data that needs to be processed. In a large firm, there may be terabytes or even petabytes of data that needs to be analyzed. This can make the process of gathering forensic evidence time-consuming and expensive.

Another challenge is the need to coordinate the efforts of multiple investigators. In a large firm, there may be investigators located in different countries or time zones. This can make it difficult to communicate and collaborate effectively.

Finally, there is the challenge of protecting the privacy of employees. In a large firm, there may be sensitive data that needs to be protected, such as employee salaries or medical records. The investigator must take steps to ensure that this data is not disclosed to unauthorized individuals.

Sample Answer

 

Computer forensics is the process of collecting, preserving, analyzing, and presenting digital evidence. It is used to investigate a wide variety of crimes, including cybercrime, fraud, and intellectual property theft.

The field of computer forensics is constantly evolving as new technologies are developed. However, the basic steps involved in gathering forensic evidence remain the same.