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Which of the following is not a best practice to eliminate the possibility of insider attacks?
Leaving sensitive business details over voicemail or sending them out through email broadcast messages is not a best practice for security. This approach significantly increases the risk of information leakage and unauthorized access to critical business information. Such practices can be exploited by insiders to conduct malicious activities, including data theft, fraud, or sabotage. The best practices for mitigating insider threats involve implementing strict access controls, monitoring and auditing employee actions, securing communications, and ensuring that sensitive information is only shared through secure and authorized channels. Encouraging or allowing the practice of leaving sensitive business details in such insecure manners contradicts the principles of information security and increases the vulnerability to insider attacks.
Which of the following risk management processes identifies the risks, estimates the impact, and determines sources to recommend proper mitigation measures?
Risk assessment is the risk management process that involves identifying risks, estimating their impact on the organization, and determining the sources of those risks to recommend appropriate mitigation measures. The goal of a risk assessment is to understand the nature of potential threats, vulnerabilities, and the consequences of those risks materializing, allowing an organization to make informed decisions about how to address them effectively. Risk assumption involves accepting the potential impact of a risk, risk mitigation focuses on reducing the likelihood or impact of risks, and risk avoidance involves taking actions to avoid the risk entirely. Reference: The ECIH v3 course materials include discussions on risk management processes, outlining the importance of risk assessment in identifying and preparing for potential security threats.
You are a systems administrator for a company. You are accessing your file server remotely for maintenance. Suddenly, you are unable to access the server. After contacting others in your department, you find out that they cannot access the file server either. You can ping the file server but not connect to it via RDP. You check the Active Directory Server, and all is well. You check the email server and find that emails are sent and received normally. What is the most likely issue?
In this scenario, the inability to access the file server via Remote Desktop Protocol (RDP), despite the server being pingable and other services functioning normally, suggests a service-specific disruption rather than a complete system shutdown or broader network issue. This pattern is indicative of a denial-of-service (DoS) attack targeted at the file server's RDP service or network congestion that specifically affects RDP connectivity. A DoS attack aims to make a machine or network resource unavailable to its intended users by temporarily or indefinitely disrupting services of a host connected to the Internet. The fact that other services (like email) are operational rules out broader system or admin account issues, pointing towards a specific problem with accessing the file server, most likely due to a denial-of-service condition. Reference: Incident Handler (ECIH v3) courses teach systems administrators and security professionals to diagnose and respond to various security incidents, including DoS attacks, by understanding symptoms and isolating issues based on the services affected.
Alexis works as an incident responder at XYZ organization. She was asked to identify and attribute the actors behind an attack that occurred recently. For this purpose, she is performing a type of threat attribution that deals with the identification of a specific person, society, or country sponsoring a well-planned and executed intrusion or attack on its target. Which of the following types of threat attributions is Alexis performing?
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. Reference: 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.
Which of the following processes is referred to as an approach to respond to the
security incidents that occurred in an organization and enables the response team by
ensuring that they know exactly what process to follow in case of security incidents?
Incident response orchestration refers to the process and technologies used to coordinate and streamline the response to security incidents. This approach ensures that incident response teams have clear procedures and workflows to follow, enabling them to act swiftly and effectively when dealing with security incidents. By orchestrating the response, organizations can minimize the impact of incidents, ensure consistent and thorough investigation and remediation activities, and improve their overall security posture. Incident response orchestration involves integrating various security tools, automating response actions where possible, and providing a centralized platform for managing incidents.
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