NetFlow is a network protocol developed by Cisco for collecting IP traffic information and monitoring network flow. It provides valuable data about the network sessions occurring within the network, such as source and destination IP addresses, port numbers, and protocols used. This session data is useful for understanding traffic patterns, volume, and usage.
Cisco's training and certification materials on NetFlow would discuss how it is used to obtain session data for network analysis.

In modern enterprise environments, organizations rely on a wide range of technologies, including cloud platforms, on-premises systems, endpoint tools, and network security devices. One of the primary challenges in such environments is inconsistent data aggregation across these heterogeneous technologies.
Different tools generate logs in varying formats, structures, and levels of detail. Normalizing, correlating, and aggregating this data into a unified view is complex and often requires significant effort, tooling, and tuning.
Without consistent aggregation, security teams struggle to correlate events across systems, detect advanced threats, and build a complete incident timeline.
While different protocols, duplicate alerts, and retention limits are valid concerns, they are secondary effects of poor data aggregation. Cybersecurity operations documentation consistently identifies data normalization and aggregation as foundational challenges in large, distributed environments.
Therefore, inconsistent data aggregation is the primary obstacle to achieving effective organization-wide visibility.

In the context of incident response, the detection step involves identifying potential security incidents. The Security Operation Center (SOC) Analyst, which in this case is Employee 4, is typically responsible for monitoring and analyzing security alerts to detect suspicious activities such as brute-force attempts.
Therefore, Employee 4 would be the stakeholder responsible for the incident response detection step. References: The role of a SOC Analyst in incident response is outlined in cybersecurity frameworks and bestpractices, which describe the responsibilities of various stakeholders in detecting and responding to security incidents.

HTTPS traffic is difficult to screen because it is encrypted using the SSL/TLS protocol, which secures the data in transit between the client and the server. This encryption ensures that any intercepted traffic cannot be easily read or tampered with by third parties. Screening or inspecting this encrypted traffic would require decrypting it, which poses significant challenges and potential security risks12.
The concept of HTTPS and its implications on traffic screening are discussed in various cybersecurity resources, including Cisco's cybersecurity training materials3.
Cloudflare provides an explanation of HTTPS inspection and the challenges associated with it