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EC-COUNCIL 212-89 Exam is ideal for security professionals, incident handlers, IT managers, network administrators, and anyone interested in enhancing their knowledge and skills in the field of incident handling and response. EC Council Certified Incident Handler (ECIH v3) certification is particularly useful for those who are responsible for managing and responding to security incidents in their organization.

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EC-COUNCIL EC Council Certified Incident Handler (ECIH v3) Sample Questions (Q280-Q285):

NEW QUESTION # 280
Computer Forensics is the branch of forensic science in which legal evidence is found in any computer or any
digital media device. Of the following, who is responsible for examining the evidence acquired and separating
the useful evidence?

A. Evidence Documenter
B. Evidence Examiner/ Investigator
C. Evidence Manager
D. Evidence Supervisor

Answer: B

NEW QUESTION # 281
An international insurance provider observed a sharp rise in endpoint infections across geographically dispersed offices. The IR team correlated the infections with recent access to a series of trusted informational websites visited during routine research activities. After cross-referencing network telemetry and endpoint logs, analysts uncovered that these sites had been covertly altered by threat actors to include obfuscated scripts that launched on page render. Upon visiting the tampered content, a series of exploit chains were executed, targeting unpatched vulnerabilities in rendering engines of commonly used client applications. The malicious code was injected directly into volatile memory, allowing the payload to operate stealthily without initiating file creation events or prompting user interaction. Security tools failed to detect the compromise in real time due to the absence of conventional indicators such as user-triggered executions or external file transfers. Which web-based malware delivery technique is MOST consistent with the described attack?

A. Spam email propagation using malicious file attachments disguised as legitimate documents
B. Search engine poisoning using black hat search engine optimization
C. Drive-by download attacks that exploit vulnerabilities
D. Malvertising via poisoned ad banners embedded in third-party ad-serving platforms

Answer: C

Explanation:
The EC-Council Incident Handler (ECIH) curriculum defines drive-by download attacks as web-based attacks where malicious code is automatically executed when a user visits a compromised website. These attacks often exploit browser or rendering engine vulnerabilities without requiring user interaction or explicit file downloads.
In this scenario, trusted informational websites were covertly modified to include obfuscated scripts that executed upon page rendering. The exploit chains targeted unpatched vulnerabilities and injected payloads directly into memory, avoiding file creation and traditional detection mechanisms. This behavior is characteristic of drive-by download attacks leveraging exploit kits.
Option A involves email-based delivery, which is not described. Option B relates to manipulating search engine rankings but does not inherently describe memory-based exploit execution. Option D involves malicious advertisements; however, the scenario specifically references compromised websites rather than third-party ad platforms.
ECIH emphasizes patch management, browser hardening, memory analysis, and exploit mitigation technologies to defend against drive-by downloads. Therefore, the most consistent technique is a drive-by download attack exploiting vulnerabilities.

NEW QUESTION # 282
An IoT device deployed in a smart city infrastructure project begins transmitting data at an unusually high rate, signaling a potential security compromise. This device is part of a critical system that monitors traffic flow and controls street lighting, making unauthorized access or manipulation a significant concern for public safety and urban efficiency. What should be the first action taken by the smart city's incident response team to handle this IoT-based security incident effectively?

A. Collaborate with the device manufacturer to investigate the cause of the unusual data transmission.
B. Update the firmware of all IoT devices within the smart city infrastructure as a precautionary measure.
C. Immediately isolate the compromised IoT device from the network to prevent further unauthorized activity.
D. Launch a city-wide campaign to raise awareness about the security risks associated with IoT devices.

Answer: C

Explanation:
In IoT and OT environments, the ECIH curriculum emphasizes that containment is the highest first- response priority, especially when public safety and critical services are involved. The abnormal data transmission strongly suggests compromise, and allowing the device to remain connected risks lateral movement, data exfiltration, and operational disruption.
Option C is correct because immediate isolation of the affected IoT device prevents further unauthorized communication while preserving the system's current state for forensic analysis. Isolation limits the blast radius without unnecessarily disrupting the entire infrastructure.
Option A introduces risk by changing system states during an active incident. Option B is preventive and not an incident response action. Option D is appropriate after containment but not before.
Thus, isolating the compromised device aligns with ECIH endpoint and IoT incident handling principles.

NEW QUESTION # 283
Olivia, a cybersecurity responder at a multinational firm, is alerted late at night by the NOC team about unusual latency and degraded performance across several critical applications hosted on the company's internal servers. Upon initial inspection, she notices that the internal routers are experiencing an unusually high volume of ARP requests being broadcast across the network. The network bandwidth utilization has spiked, and multiple routers are reporting elevated CPU usage.
As she digs deeper into the diagnostics, Olivia finds that the NAT tables on edge routers are saturated with numerous entries coming from the same IP range within a short time frame. These entries appear to be initiating simultaneous connections to different ports across various endpoints. The firewall logs also show repeated attempts to access unused services, and the ISP reports an overflow of incoming requests from various geolocations.
Based on these symptoms, what should Olivia suspect?

A. Distributed DoS attack
B. Application vulnerability scanning
C. Data exfiltration
D. Rogue DHCP server activity

Answer: A

Explanation:
Comprehensive and Detailed Explanation (ECIH-aligned):
The indicators described align closely with a Distributed Denial-of-Service (DDoS) attack, a major topic in the ECIH Network Security Incidents module. DDoS attacks overwhelm network and system resources using traffic from multiple sources, often distributed across geographic regions.
Excessive ARP traffic, NAT table exhaustion, elevated CPU usage on routers, and simultaneous connection attempts are classic symptoms of volumetric and protocol-based DDoS attacks. The involvement of multiple geolocations, as reported by the ISP, further confirms the distributed nature of the attack.
Option B is correct because no single-host misconfiguration or reconnaissance activity would generate this volume and diversity of traffic. Option A would cause IP conflicts, not global traffic floods. Option C focuses on stealthy outbound activity, not inbound saturation. Option D is low-volume and targeted.
ECIH emphasizes early identification of DDoS conditions to enable rapid containment using rate limiting, blackholing, or ISP coordination. Recognizing these indicators is critical to protecting service availability.

NEW QUESTION # 284
A global logistics company recently experienced a targeted ransomware attack that began through a deceptive email campaign. The malicious software encrypted critical files on several systems tied to dispatch and finance operations. Fortunately, the organization had deployed an advanced security setup that could swiftly recognize abnormal behaviors, isolate compromised devices, and alert both the technical support desk and the security operations team.
In parallel, system logs were captured and analyzed using integrated threat detection tools, and a detailed file was automatically created with relevant data such as affected assets, user activity, and potential entry points.
Security analysts then assessed the case, adapted containment measures based on the affected departments, and continued tracking suspicious activity across the network. Additional countermeasures were executed based on a mix of pre-approved workflows and expert decisions, ensuring the issue was contained without major disruption. Which combination of technologies is MOST likely supporting this workflow?

A. A legacy antivirus solution configured to detect known malware only
B. A coordinated system combining incident response automation with orchestration capabilities
C. A cloud storage backup system with no direct link to detection or containment mechanisms
D. A manual log management tool integrated with a physical ticketing desk for report creation

Answer: B

Explanation:
The EC-Council Incident Handler (ECIH) curriculum describes Security Orchestration, Automation, and Response (SOAR) platforms as integrated systems that combine automated detection, case management, workflow execution, and coordinated response actions.
The scenario includes automated abnormal behavior detection, endpoint isolation, log correlation, automatic incident ticket creation, asset mapping, user activity analysis, and adaptive containment using predefined workflows with analyst oversight. These capabilities align directly with incident response automation and orchestration technologies.
ECIH emphasizes that modern IR programs integrate SIEM, endpoint detection and response (EDR), and orchestration platforms to streamline alert triage, automate containment steps, and reduce response time.
Automation ensures rapid isolation of infected systems, while orchestration coordinates multiple tools and teams across departments.
Option A lacks automation. Option B (legacy antivirus) cannot perform coordinated isolation and workflow execution. Option C (backup system) supports recovery but not detection or containment.
Therefore, a coordinated system combining incident response automation with orchestration capabilities best supports the described workflow.

NEW QUESTION # 285
......

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