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The exhibit shows an event log file with fields like date time action protocol src-ip dst-ip src-port dst-port etc., which are typical in Intrusion Detection Systems (IDS) or Intrusion Prevention Systems (IPS). These systems monitor network traffic for suspicious activity or violations of policies and produce reports as seen in the exhibit. References: Cisco Certified CyberOps Associate Overview

The Zero Trust security model operates on the principle that no one is trusted by default from inside or outside the network, and verification is required from everyone trying to gain access to resources on the network. It emphasizes continuous monitoring, validation, and least-privilege access to minimize exposure to sensitive parts of the network.

SIEM (Security Information and Event Management) systems are designed to collect, correlate, and analyze security event data from various sources to provide insights into potential security issues. They raise alerts when detecting suspicious activities. SOAR (Security Orchestration, Automation, and Response) systems, on the other hand, focus on automating and orchestrating incident response processes. They automate investigation path workflows and reduce the time spent on alerts by executing predefined actions and workflows in response to security events or incidents. References: The differences between SIEM and SOAR are highlighted in various cybersecurity resources, including those provided by Palo Alto Networks and Exabeam, which explain that while SIEM primarily focuses on collecting and analyzing security event data, SOAR extends these capabilities through automation, orchestration, and predefined incident response playbooks

Statistical data is crucial for detecting anomalies within a network because it provides a baseline of normal behavior.

Anomaly detection involves comparing current network data against historical statistical data to identify deviations from expected patterns.

This method helps in identifying unusual activities that could signify a security threat, such as unusual login attempts, data transfers, or access patterns.

Statistical data analysis tools use metrics such as mean, variance, and standard deviation to flag anomalies, aiding in proactive threat detection.

References

Cisco Cybersecurity Operations Fundamentals

Network Anomaly Detection Techniques

Statistical Methods in Cybersecurity

Windows Management Instrumentation (WMI) provides a unified way for users to request system information, including hardware and software inventory data. The Common Information Model (CIM) is an open standard that defines how managed elements in an IT environment are represented as a common set of objects and relationships between them. References: https://www.cisco.com/c/en/us/td/docs/security/ise/2-4/admin_guide/b_ise_admin_guide_24/b_ise_admin_guide_24_new_chapter_01100.html

The difference between tampered and untampered disk images is:

Tampered Images: These are disk images that have been altered or modified in some way after their initial creation. The stored hash and the computed hash will not match if the image has been tampered with.

Untampered Images: These are disk images that have not been altered since their creation. They are considered authentic and reliable for forensic investigations. The stored hash and the computed hash will match, confirming that the image has remained unchanged.

Therefore, the correct answer is: D. Untampered images are used for forensic investigations.

A Certificate Authority (CA) is responsible for issuing digital certificates to validate the identity of the certificate holder and provide a means to establish secure communications over networks like the Internet. References := Cisco Cybersecurity Source Documents

 The log in the exhibit is generated by an Intrusion Prevention System (IPS) or Intrusion Detection System (IDS). It contains information about a TCP connection attempt, including the source IP address, destination IP address, and other details related to the connection. The presence of “TCP MISS” indicates that the system detected an anomaly or potential threat during the connection attempt. References := Cisco Cybersecurity Operations Fundamentals