212-89テスト難易度 & 212-89日本語復習赤本

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EC-COUNCIL 212-89 Exam Syllabus Topics:

Section	Weight	Objectives
Handling and Response to Web Application Security Incidents	15%	- Web Application Incident Response 1. Log Analysis 2. Web App Forensics - Web Application Security Incidents 1. SQL Injection 2. Cross-Site Scripting (XSS)
First Response	14%	- Incident Handling and Response Steps 1. Incident Recording 2. Incident Prioritization - First Response Concepts 1. First Response Process 2. First Response Dos and Don'ts
Handling and Response to Cloud Security Incidents	15%	- Cloud Incident Response 1. Shared Responsibility Model 2. Cloud Security Tools - Cloud Security Incidents 1. Cloud Incident Handling 2. Cloud Forensics
Handling and Response to Email Security Incidents	15%	- Email Security Incidents 1. Phishing 2. Email Spoofing - Email Incident Response 1. Email Forensics 2. Email Investigation
Handling and Response to Malware Incidents	18%	- Malware Handling Tools 1. Anti-Malware Tools 2. Sandbox Analysis - Malware Incident Handling 1. Malware Analysis 2. Malware Incident Response
Handling and Response to Network Security Incidents	15%	- Network Incident Response 1. Network Forensics 2. Traffic Analysis - Network Security Incidents 1. Man-in-the-Middle (MITM) 2. Denial-of-Service (DoS)
Incident Handling and Response Process	18%	- Incident Handling and Response Concepts 1. Incident Classification 2. Incident Terminology - Incident Handling and Response Process 1. IH&R Process Steps 2. Incident Response Policy 3. CSIRT

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EC-COUNCIL EC Council Certified Incident Handler (ECIH v3) 認定 212-89 試験問題 (Q22-Q27):

質問 # 22
Which of the following does NOT reduce the success rate of SQL injection?

A. Limit the length of the input field.
B. Close unnecessary application services and ports on the server.
C. Automatically lock a user account after a predefined number of invalid login attempts within a predefined interval.
D. Constrain legitimate characters to exclude special characters.

正解：B

解説：
Reducing the success rate of SQL injection attacks is focused on minimizing vulnerabilities within the application's database interactions, rather than the broader server or network services. SQL injection prevention techniques typically involve input validation, parameterized queries, and the use of stored procedures, rather than changes to the network or server configuration.A) Closing unnecessary application services and ports on the server is a general security best practice to reduce the attack surface but does not directly impact the success rate of SQL injection attacks. This action limits access to potential vulnerabilities across the network and server but doesn't address the specific ways SQL injection exploits input handling within web applications.B) Automatically locking a user account after a predefined number of invalid login attempts within a predefined interval can help mitigate brute force attacks but has no direct effect on preventing SQL injection, which exploits code vulnerabilities to manipulate database queries.C) Constraining legitimate characters to exclude special characters and D) Limiting the length of the input field are both direct methods to reduce the risk of SQL injection. They focus on controlling user input, which is the vector through which SQL injection attacks are launched. By restricting special characters that could be used in SQL commands and limiting input lengths, an application can reduce the potential for malicious input to form a part of SQL queries executed by the backend database.
References:EC-Council's Certified Incident Handler (ECIH v3) program includes strategies for preventing various types of cyber attacks, including SQL injection, by emphasizing secure coding practices and application design.

質問 # 23
NovoMed, a pharmaceutical giant, recently launched a drug after 10 years of research. A week later, its systems were compromised. Forensic analysis revealed encrypted data transfers to an unknown location. The encrypted data consisted of the drug ' s research files, clinical trial information, and participant data.
Additionally, the company ' s communication systems received a message in broken English, threatening to release the drug ' s formula. Which is the most prudent course of action?

A. Engage with local law enforcement and international cybercrime agencies to trace the encrypted data transfer ' s origins.
B. Immediately recall the drug from the market, anticipating counterfeit versions.
C. Negotiate with the attackers discreetly, trying to buy time and perhaps retrieve the data.
D. Publicly announce the breach, warning competitors and authorities about potential counterfeit drugs.

正解：A

解説：
The appropriate incident-handling response is to escalate the matter through legitimate law-enforcement and cybercrime channels. The incident involves confirmed data exfiltration, sensitive intellectual property, clinical information, and an apparent extortion threat. ECIH emphasizes incident escalation, evidence preservation, notification, legal compliance, and coordination with appropriate external authorities when serious criminal activity is involved. Law-enforcement agencies may assist with tracing infrastructure, coordinating international investigations, preserving evidence, and pursuing the threat actors. Negotiating privately with attackers may introduce additional legal and operational risks and does not guarantee data recovery. A public announcement or drug recall may eventually be considered by management or regulators, but neither is the most appropriate immediate investigative response. Therefore, formal escalation to relevant cybercrime authorities is the most prudent action.

質問 # 24
After containing a data compromise that disrupted operations across multiple departments, a global consulting enterprise launched a formal retrospective involving cybersecurity leads, infrastructure managers, legal advisors, and executive stakeholders. The initiative involved constructing a detailed timeline of incident-handling activities, evaluating decision pathways, identifying coordination breakdowns, and recommending actionable improvements to mitigate future occurrences. The review emphasized a no-blame culture, aiming to refine strategic playbooks and organizational readiness based on empirical evidence and shared insights. Which post-incident activity is primarily being executed in this scenario?

A. Performing a postmortem to analyze root causes and operational effectiveness
B. Creating an updated containment checklist based on asset inventory logs
C. Notifying third-party vendors to begin external disclosure processes
D. Reclassifying the event to a lower severity level based on final impact

正解：A

解説：
The EC-Council Incident Handler (ECIH) curriculum defines Post-Incident Activity as the phase focused on lessons learned, root cause analysis, and process improvement. Conducting a formal retrospective with cross-functional stakeholders to reconstruct timelines, evaluate decision- making, and identify coordination gaps aligns directly with a structured postmortem analysis.
ECIH emphasizes that post-incident reviews should promote a no-blame culture to encourage transparency and honest feedback. The objective is continuous improvement of incident response playbooks, communication protocols, escalation procedures, and overall organizational readiness. Root cause analysis (RCA) is a key component, ensuring that both technical and procedural weaknesses are identified and corrected.

質問 # 25
Alexis an incident handler in QWERTY Company. He identified that an attacker created a backdoor inside the company's network by installing a fake AP inside a firewall.
Which of the following attack types did the attacker use?

A. Ad hoc associations
B. Rogue access point
C. AP misconfiguration
D. Wardriving

正解：B

質問 # 26
You are the IT security manager for a large financial services company. You receive an alert from the email security system that a user in the finance department has received an email with a suspicious attachment. The email purports to be from a vendor the company regularly works with, but the attachment is a .zip file that the email security system has flagged as potentially malicious. Your team is tasked with detecting and containing the email security incident. Which of the following is a best practice for email security incident detection and containment?

A. Reviewing email logs only after an incident has been detected
B. Disconnecting all systems from the network after an incident has been detected
C. Implementing an email security system with real-time monitoring and alerts
D. Allowing users to access suspicious email attachments to gather more information

正解：C

質問 # 27
......

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