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Importance of computer forensics

Computer forensics is the process of using the latest knowledge of science and technology with computer science to collect, analyze, and present evidence to criminal or civil courts. The network administrator and security personnel who administer and manage networks and information systems must have a thorough knowledge of computer forensics. The meaning of the word “forensic” is “take to court.” Forensic science is the process of finding evidence and recovering data. The evidence includes many forms, such as fingerprints, DNA tests, or complete files on computer hard drives, etc. The consistency and standardization of computer forensics in the courts is not firmly recognized because it is a new discipline.

It is necessary for the network administrator and security personnel of network organizations to practice computer forensics and they must have knowledge of the laws because the cyber crime rate is increasing considerably. It is very interesting for managers and staff who want to know how computer forensics can become a strategic element of the security of their organization. The staff, security personnel, and network administrator must be aware of all computer forensic related issues. Computer experts use advanced tools and techniques to recover deleted, damaged or corrupted data and evidence against attacks and intrusions. These evidences are collected to follow the cases in the criminal and civil courts against the culprits who committed computer crimes.

The survival and integrity of any organization’s network infrastructure depends on the application of computer forensics. In today’s situations, computer forensics should be viewed as the basic building block of computer and network security. It would be a great advantage for your company to know all the technical and legal aspects of computer forensics. If your network is hacked and an intruder is caught, a good knowledge of computer forensics will help provide evidence and process the case in court.

There are many risks if you practice computer forensics badly. If you ignore it, vital evidence may be destroyed. New laws are being developed to protect customer data; But if certain types of data are not adequately protected, many responsibilities can be assigned to the organization. The new rules can land organizations in criminal or civil court if organizations fail to protect customer data. The organization’s money can also be saved by applying computer forensics. Some managers and staff spent a large portion of their IT budget on computer and network security. International Data Corporation (IDC) reports that vulnerability assessment and intrusion detection software will approach $ 1.45 billion in 2006.

As organizations increase in number and the risk of hackers and contractors also increases, they have developed their own security systems. Organizations have developed security devices for their network such as intrusion detection systems (IDS), proxies, firewalls that report on the security status of an organization’s network. So technically, the primary goal of computer forensics is to recognize, collect, protect, and examine data in such a way as to protect the integrity of the collected evidence for efficient and effective use in a case. The computer forensic investigation has some typical aspects. First, computer experts investigating computers must know the type of evidence they are looking for in order for their search to be effective. Computer crimes are very varied, such as child pornography, theft of personal data and the destruction of data or computers.

Second, computer experts or researchers must use appropriate tools. Researchers must have a good understanding of the software, the latest techniques and methods to recover deleted, encrypted or corrupted files and avoid further damage in the recovery process. In computer forensics, two types of data are collected. Persistent data is stored on local disk drives or other media and is protected when the computer is off or off. Volatile data is stored in random access memory and is lost when the computer is turned off or loses power. Volatile data is found in caches, random access memory (RAM), and registers. The computer expert or researcher must know reliable ways to capture volatile data. Security personnel and network administrators must have knowledge of the effects of computer and network administration tasks on the computer forensics process and the ability to recover data lost in a security incident.

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