During a prolonged and sophisticated cyber incident, an analyst is required to manage various digital forensic tasks including timestamp analysis, log correlation, and advanced data visualization to determine the scope of the attack across the network. Which tool should the analyst employ to efficiently handle the complexities of these interconnected tasks while maintaining a focus on the incident’s timeline?
Next-generation firewall
Security Information and Event Management (SIEM) system
A Security Information and Event Management (SIEM) system is adept at collecting, normalizing, and correlating event data from diverse sources, offering advanced data visualization and timeline analysis capabilities, thus it's the correct choice for managing complex, interconnected tasks across a network during an incident. While automated response platforms aid in response and recovery, the emphasis on timeline analysis tips the balance in favor of a SIEM system here. Digital forensics platforms lack the real-time event correlation capabilities of SIEM systems and while a firewall is crucial for network security, it does not provide the same level of incident analysis and visualization that a SIEM system offers.
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What is a SIEM system and how does it work?
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What is timestamp analysis and why is it important in forensic investigations?
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What are log correlation and its benefits in incident response?