Company Data Security: Digital Forensic Investigation Guide
This paper examines how an information security specialist should respond to a suspected case of proprietary source code theft by a former employee. It outlines the procedural steps for conducting a lawful workplace search, identifying and documenting digital items such as desktop computers, laptops, and external hard drives, as well as non-digital artifacts including sticky notes, notepads, and printed files. The paper also addresses proper evidence labeling, photography, and storage protocols — including the use of antistatic bags and climate-controlled environments — to preserve digital evidence integrity throughout the investigation.
- Introduction and Legal Considerations: Legal framework and authorization for workplace search
- Identifying Key Digital Evidence: Desktop, laptop, and hard drive evidence analysis
- Non-Digital Evidence at the Workstation: Sticky notes, notepad, and printed file artifacts
- Evidence Storage and Preservation: Antistatic storage and climate-controlled preservation
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What makes this paper effective
- The paper grounds its procedural recommendations in legal awareness, noting the importance of written permission and employee notification before conducting a workplace search.
- It systematically distinguishes between digital and non-digital evidence, giving concrete justification for why each item is relevant to the investigation.
- The evidence storage section demonstrates practical technical knowledge, such as the use of antistatic bags and climate-controlled environments to protect magnetic media.
Key academic technique demonstrated
The paper employs a case-study application format: rather than discussing digital forensics in the abstract, the author works through a specific scenario step by step, anchoring each recommendation to a visible artifact or procedural standard. This technique effectively bridges theoretical knowledge and real-world professional practice.
Structure breakdown
The paper opens with the legal and procedural framework for conducting the search, then moves to digital evidence identification and documentation, followed by non-digital artifacts and their evidentiary value, and concludes with evidence handling and storage protocols. The argument follows a logical investigative sequence — authorization, collection, documentation, preservation — mirroring an actual forensic workflow.
Introduction and Legal Considerations
The issue of information security is one controversial aspect that has led to thousands of legal battles between individuals and their respective companies each year. In the case study at hand, there is a need to proceed with caution in order to ensure that the legal and private limits of the former employee are not overstepped. As an information security specialist, the first step is to involve the immediate manager under whom the employee was working and to make him aware that a search of the desk or work area is not illegal in a private firm, as long as there are grounds for such a search and it is conducted as a procedural formality rather than an accusation.
Written permission from company management must be obtained before conducting the search, and the former employee must be notified accordingly (Workplace Fairness, 2015). A catalogue will then be prepared to document the folders on the computer that will be searched, the desktop areas and drawers that will be examined, and all storage devices — including USB drives — that will be accessed. Each item will be photographed and recorded in the catalogue to maintain a clear and defensible chain of custody.
Identifying Key Digital Evidence
From the photo provided, the three crucial digital items that could help determine whether the property rights of Product X have been compromised through illegal sharing or use of the source code are the desktop computer, the laptop, and the hard disks on the table. The desktop computer is the most likely location where the employee was actively working on Product X and developing the associated source code. It therefore represents the original work created within the company and serves as primary evidence of company ownership. The most appropriate way to document this is by printing out the original code as it exists on the desktop.
The laptop will likely carry data copied from the desktop, which would provide evidence of possible data movement away from its authorized company source. This will also require a printout to demonstrate the generic form of the original data as it appeared on the desktop. The hard disks will need to be captured through photographs and video recording; they will then be connected to a computer so that their contents can be read. Relevant copies of Product X and the associated source code will be printed out for the record. All three items will be serialized, and the search and documentation will be restricted solely to folders and data related to the source code under investigation. For further guidance on best practices in electronic crime scene investigation, the National Institute of Justice provides a comprehensive reference for first responders.
References
Mukasey, M. B. (2008). Electronic Crime Scene Investigation: A Guide for Responders (2nd ed.). National Institute of Justice. https://www.ncjrs.gov/pdffiles1/nij/219941.pdf
Workplace Fairness. (2015). Workplace searches.
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