COMPUTER FORENSIC TOOLS TO FIGHT CYBER CRIME

Posted by admin January - 14 - 2017

COMPUTER FORENSIC TOOLS TO FIGHT CYBER CRIME

 

Computer forensics is a branch of computer science that is very crucial. It involves internet atrocities and evidence that is found in digital storage media and in computers. Back in the days most computers were used only to provide and produce data but now computers have developed and expanded to digital data devices. The main aim of Computer forensics is to conduct and investigate crime using the evidence that is found from digital data so as to find out who was responsible and accountable for that crime in particular. In order for the people using the tools to come up with better results in their investigations and research, the people who are responsible for designing and developing the forensic tools have come up with better, unique and reliable different types of forensic tools, which are selected by the investigation agencies and police stations based on factors such as the team experts available and the budget allocated.

 

The forensics computer tools are grouped and classified as follows:

 

Mac OS analysis tools

 

Network forensics tools

 

Database forensics tools

 

File analysis tools

 

Registry analysis tools

 

Email analysis tools

 

Mobile devices analysis tools

 

Disk and data capture tools

 

File viewers

 

Internet analysis tools

 

This forensic computer tools include:

 

  1. Open Computer Forensics Architecture

 

This computer forensic tool was built in Dutch by their National police Agency on Linux platform. The main purpose of this tool is to computerize or automate the digital forensic process. The tool uses stores data using postgre SQL.

 

  1. X-Ways Forensics

 

This is a very advance and efficient tool for conducting investigations. It is compatible with all Widows version and it is efficient because of it can read files system structures that are in various image, it uses templates to edit and view binary digit structures, it can detect, deleted and lost hard disk partition, it supports file systems such as UDF and many more, it calculates in bulk, it produces data accurately, it enables one to view pictures in gallery, clone image in a disk and many more.

 

  1. CAINE

 

This is an open source tool whose main purpose is to fuse or integrate available software tool with software modules to become user friendly.

 

  1. Digital Forensics Framework

 

This is a popular open source tool that can be used by professionals and non-experts without any problem. The tool is licensed by GPL. It is also used to access local and remote devices, recover files that are lost or deleted and searching of files quickly.

 

  1. SIFT

 

This forensic computer tool serves multiple purposes when it comes to conducting and investigating crimes. It has all tools that are required in the digital forensic process. It is also an open source tool that was built on Ubuntu and it is free of charge.

 

 

  1. Registry Recon

 

This is a forensic analysis tool that extracts information that is in registry from build and available evidence after which it reassembles the registry depiction. It can also reconstruct Windows installations from previous and current registries.

 

 

  1. En Case

 

This tool is used to collect data from multiple devise in order to come up with evidence that is required. The tool is not free and it is used to generate its report depending on the evidence on the ground.

 

 

  1. The Sleuth Kit- This tool is used to analyze images that are in disk and files in the computer and many more.

 

 

9. Llibforensics- This tool was made in Python and it has different demo tools that are used to obtain information from the evidence that is available on the ground.

 

 

  1. The Coroner’s Toolkit – It is used to analyze data and any form of disaster or problems that are found in the computer.

 

 

Other forensic tools include volatility, bulk extractor, windows scope, and oxygen forensic suit, Xplico, coroner’s toolkit and many more.

 

HOW USING FORENSIC TOOLS CAN DETECT FRAUD DURING AN ACQUISITION

 

When analyzing and evaluating the internal control system in organization during acquisition

 

It is important for one to obtain a good definition in the work area of what activities constitutes fraud. There are many resources that can help owners of the companies to understand fraud.

 

The first thing the administrators must understand the legal concept of fraud, that is the people conducting the investigations must uphold high standard when it comes to evidence, because the fraud allegations that they present or rise can lead to fines, imprisonment, termination of the managers and employees in the company. There are common frauds that occur during and acquisition such as:

 

Asset misappropriation – This is where an employee has stolen or miss used organization resources.

Corruption – This is where the employees conduct his transactions in a manner that violates the company policies e.g. taking and giving bribes.

Financial statement fraud – This where by an employee omits or misstatement the financial report intentionally.

 

 

Forensic tools can detect such fraud during acquisition by:

Analyzing and acquiring computer files in the company using recognized tools and techniques such as: X-Ways Forensics

This is a very advance and efficient tool for conducting investigations. It is compatible with all Widows version and it is efficient because of it can read files system structures that are in various image, it uses templates to edit and view binary digit structures, it can detect, deleted and lost hard disk partition, it supports file systems such as UDF and many more, it calculates in bulk, it produces data accurately, it enables one to view pictures in gallery, clone image in a disk and many more.

Analyzing and acquiring emails -Since emails are mostly used by companies as a communication tool, most investigators put more focus on emails when detecting fraud and gathering evidence. Though it is a challenge for investigators due to large and high volume of emails, most emails are found in different places such as network, hard drives and backups. Some emails also have attachments that have crucial evidence matter. Irrespective of this challenge forensic tools used identifies duplicated emails that were deleted in the entire network and also search attachments and emails by use of keyword reducing the emails and identifying all documents.

Accounting and transacting data – these forensic tools are used to extract data from ledger in organizations in order to identify fraudulent transaction. This involves electronic media, document review and interviews. The forensic investigators use their tools to mine data by looking at pattern anomalies and trends in the data using Meta data to find out the size of the file, the name of the computer file, the date the file was created and modified, the name of the person who changed the file and the location where the file was stored or changed.

 

All this forensic tools are used to analyze and identify fraudulent act and atrocities in organizations. The tools mentioned above are very crucial and are not arranged in the order of the most popular or the greatest forensic tool in the world. They help retrieve hidden and deleted files in the computer and also trace emails.

 

 

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