CHFI

Understand-Network-Forensics-Analysis-Mechanism

Understand Network Forensics Analysis Mechanism

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This network forensics analysis mechanism includes presenting the evidence, manipulating, and automated reasoning. Analyst Interface The analyst interface provides visualization of the evidence graph and reasoning results to the analyst, who passes the feedback to the graph generation and reasoning components. Evidence Collection Evidence collection involves the collection of intrusion evidence from networks and hosts under investigation. Evidence Preprocessing Evidence preprocessing deals with the analysis of assertive types of evidence, such as intrusion alerts, into …

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Centralized-Logging

What is Centralized Logging?

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Centralized Logging is defined as a gathering of the computer system logs for a group of systems in a centralized location. All network logs are stored on a centralized server or computer, which helps administrators perform easy backup and retrieval. It allows the administrator to check logs on each system on a regular basis. It is used to efficiently monitor computer system logs with the frequency required to detect security violations and unusual activity. Centralized …

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Understand-Log-File-Accuracy

Understand Log File Accuracy

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Understand Log File Accuracy in this during forensic investigation, log files provide a valuable source of evidence. Since these log files act as evidence in court, investigators should ensure that the files are accurate. Without following certain guidelines while collecting and preserving the log files, they will not be acceptable as valid evidence in the court. Therefore, investigators should follow the above mentioned steps to maintain the log file accuracy. Log Everything Configure the web …

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Summarize-the-Event-Correlation

Summarize the Event Correlation

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Summarize the Event Correlation in this article Event correlation is a technique used to assign a new meaning for relating a set of events that occur in a fixed amount of time. This event correlation technique identifies a few events that are important among the large number of events. During the process of event correlation, some new events may occur and delete some existing events from the event stream. In general, the investigators can perform …

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Understand-Laws-and-Regulations

Understand Laws and Regulations

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Understand Laws and Regulations in this there are many laws that affect digital forensics investigation; for example, some jurisdictions have passed laws that require the investigator to be either a law enforcement officer or a licensed private investigator to extract the evidence. Of course, that does not prevent a forensic investigator from working with information someone else extracted or extracting evidence if the information owner gave his or her permission. It is important to be …

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Understand-the-Importance-of-Network-Forensics

Understand the Importance of Network Forensics

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Understand the Importance of Network Forensics in this this article Network Forensics is the implementation of sniffing, recording, acquisition, and analysis of network traffic and event logs to investigate a network security incident. Capturing network traffic over a network is simple in theory, but relatively complex in practice due to many inherent reasons such as the large amount of data flow and complex nature of Internet protocols. Recording network traffic involves a lot of resources. …

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Mac-Forensics

Mac Forensics

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Mac Forensics in this article Mac is short for the Macintosh operating systems developed by Apple to support its line of devices and series of personal computers, Mac is one of the most adopted systems across the globe and is also facing increase in number of attacks annually. The investigators must have knowledge of Mac, its process, policies, functions and internal storage patters used by the operating system to be able to perform forensics. This …

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Linux-Forensics

Linux Forensics

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Linux forensics refers to performing forensic investigation on a Linux operated device. To do so, the investigators should have a good understanding on the techniques required to conduct live analysis; to collect volatile and non-volatile data, along with knowledge of various shell commands and the information they can retrieve. The investigators should also be aware of the Linux log files, their storage and location in the directory, as they are the most important sources of information …

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Understand-Metadata-Investigation

Understand Metadata Investigation

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Metadata Investigation in this Metadata is the information related to the data stored on the system or a device. It contains details such as type of file, time of creation and modification, location, etc. Investigators can extract metadata to find the internal details of any file or application. Understanding Metadata Metadata is structured data, which gives information about certain characteristics of electronic data, including the time and the person that created, accessed, and modified the …

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