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Network investigations, also known as network forensics, involve the analysis and investigation of network traffic to gather evidence for legal or security purposes. Network investigations focus on the traffic patterns and communication between devices on a network, rather than on individual devices themselves. The goal of network investigations is to identify, collect, preserve, and analyze digital evidence in a manner that is admissible in a court of law or useful for security investigations.
As a CISSP, Certified Information Systems Security Professional from ISC2, I have been able to maintain my certification since 2005. As with any ISC2 certification, in order to maintain your certification you must complete at least 40 approved credit hours each year, and I have been able to complete that in order to stay on top of the latest in the computer security industry.
Network investigations can be used in a variety of settings, including criminal investigations, corporate investigations, and cybersecurity. In criminal investigations, network investigations may be used to gather evidence related to hacking, online fraud, or other digital crimes. In corporate investigations, network investigations may be used to identify and investigate employee misconduct, such as data theft or unauthorized access. In cybersecurity, network investigations may be used to identify and prevent cyber attacks and data breaches.
Some common types of network investigations include:
Traffic analysis: This involves analyzing network traffic to identify patterns of communication, data flows, and potential security threats.
Log analysis: This involves analyzing log files generated by network devices to identify potential security threats or patterns of behavior.
Packet capture: This involves capturing and analyzing network packets to identify potential security threats or to reconstruct digital activity.
Malware analysis: This involves analyzing malware samples to identify potential security threats and to develop strategies for preventing or mitigating their impact.
Network investigators must have a strong understanding of network protocols and technologies, as well as knowledge of relevant laws and regulations. We also use specialized tools and techniques to collect and analyze digital evidence in a manner that is admissible in court or useful for security investigations.
