212-89 Exam Dumps - EC Council Certified Incident Handler (ECIH v3)

Auditing the system and network log files is a crucial step in the incident triage phase of the incident response and handling process. During incident triage, incident handlers assess and prioritize incidents based on their severity, impact, and the urgency of the response required. Part of this assessment involves reviewing log files to understand the nature of the incident, its scope, and the systems or networks affected. This information helps in categorizing the incident and deciding on the appropriate response actions. Unlike containment, which aims to limit the damage, incident disclosure, which involves communicating about the incident, or incident eradication, which focuses on removing the threat, incident triage is about evaluating and prioritizing the incident based on detailed log analysis among other factors.References:The Incident Handler (ECIH v3) courses and study guides emphasize the role of incident triage in the early stages of the incident response process, highlighting the importance of log file analysis in assessing and prioritizing incidents.

The Slowloris attack is a type of application-layer attack that targets the web server by establishing and maintaining many simultaneous HTTP connections to the target server. Unlike traditional network-layer DoS/DDoS attacks such as UDP flood or SYN flood, Slowloris is designed to hold as many connections to the target web server open for as long as possible. It does so by sending partial requests, which are never completed, and periodically sending subsequent HTTP headers to keep the connections open. This consumes the server's resources, leading to denial of service as legitimate users cannot establish connections. The Slowloris attack is effective even against servers with a high bandwidth because it targets the server's connection pool, not its network bandwidth.References:Incident Handler (ECIH v3) courses and study guides particularly emphasize understanding different types of attacks, including application-layer attacks like Slowloris, as part of the incident handling and response process.

Nation-state attribution involves identifying a specific country or government as the sponsor behind a cyber-attack or intrusion. This type of threat attribution is focused on determining the involvement of state actors in cyber operations against specific targets, which often involves sophisticated, well-planned, and executed cyber campaigns. Alexis's efforts to identify and attribute the actors behind the attack to a specific nation-state fall under this category, as she seeks to uncover the geopolitical motives and the extent of state sponsorship behind the incident. Nation-state attribution requires analyzing a variety of indicators, including technical evidence, tactics, techniques, and procedures (TTPs), and contextual intelligence. This is distinct from campaign attribution, which focuses on linking attacks to a specific campaign or operation, true attribution, which aims at identifying the actual individuals behind an attack, and intrusion set attribution, which involves attributing a set of malicious activities to a particular threat actor or group.References:The Incident Handler (ECIH v3) certification program includes discussions on various types of threat attributions, highlighting the challenges and methodologies involved in attributing cyber-attacks to specific actors, including nation-states.

A side channel attack, as described in the scenario, involves an attacker using indirect methods to gather information from a system. In this case, Alice is exploiting the shared physical resources, specifically the processor cache, of a virtual machine host to steal data from another virtual machine on the same host. This type of attack does not directly breach the system through conventional means like breaking encryption but instead takes advantage of the information leaked by the physical implementation of the system, such as timing information, power consumption, electromagnetic leaks, or, as in this case, shared resource utilization, to infer the secret data.

References:The EC-Council's Certified Incident Handler (ECIH v3) program covers various types of cyber attacks, including advanced techniques like side channel attacks, highlighting the need for comprehensive security strategies that consider both direct and indirect attack vectors.

In cloud computing environments, the responsibility for providing and managing network services, as well as handling incidents related to these services, primarily falls on the cloud service provider. This includes Infrastructure as a Service (IaaS), Platform as a Service (PaaS), and Software as a Service (SaaS) models. The cloud service provider is tasked with ensuring the availability, integrity, and security of the network services they offer. This responsibility includes managing and responding to incidents that may affect these services, ranging from security breaches to performance issues. The cloud service provider employs a variety of tools and techniques to monitor the network, identify potential threats, and implement corrective actions to mitigate any impact on the services and their users.

References:Incident Handler (ECIH v3) courses and study guides focus on the roles and responsibilities in cloud computing, where the distinction of responsibilities between cloud service providers and cloud consumers is emphasized. Specifically, the management of network services and incident handling in the cloud environment is highlighted as a key responsibility of the service provider.

During the incident handling and response (IH&R) process, the stage of "Evidence gathering and forensics analysis" involves the collection of evidence, forensic analysis, and detailed investigation to uncover the root cause of the incident. This stage is crucial for understanding how the incident occurred, identifying the threat actors involved, the methods they used (threat vectors), and the extent of the impact. By analyzing evidence, incident responders can reconstruct the sequence of events, identify the vulnerabilities exploited, and determine the scope of the incident. This information is vital for resolving the incident effectively and taking steps to prevent future occurrences.

References:The importance of evidence gathering and forensic analysis in the incident handling and response process is emphasized in ECIH v3 courses and study materials. These resources provide guidance on how to conduct thorough investigations to understand the nature of security incidents fully and develop effective mitigation strategies.

In the context of an incident response team, the role of an internal auditor like David includes identifying, evaluating, and reporting on information security risks and vulnerabilities within the organization. His responsibility is to ensure that the organization's security controls are effective and to identify any security loopholes that could be exploited by attackers. Once identified, he reports these vulnerabilities to management so that they can take the necessary actions to mitigate the risks. This role is critical inmaintaining the organization's overall security posture and ensuring compliance with relevant laws, regulations, and policies.References:Incident Handler (ECIH v3) courses and study guides cover the roles and responsibilities of incident response team members, highlighting the importance of internal auditors in identifying and addressing security vulnerabilities.

In the context of incident handling and response (IH&R), the preparation phase is the initial step where teams and resources are organized to effectively respond to potential security incidents. This phase involves building the IH&R team, developing incident response plans and policies, setting up communication channels, and ensuring that the team has the necessary tools and authority to act. James, being assigned to build an IH&R plan and organize his team, is engaging in the preparation step of the incident response process. This foundational step is crucial for ensuring a coordinated and efficient response to incidents when they occur.

References:The importance of the preparation phase in the incident response lifecycle is emphasized in various cybersecurity frameworks and guidelines, including those covered in ECIH v3 certification materials, which detail the roles, responsibilities, and planning necessary to establish an effective incident response capability.