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EC-Council 312-39（Certified SOC Analyst（CSA））認定試験は、組織のネットワーク内のセキュリティインシデントの監視と検出を担当する専門家の知識とスキルをテストするために設計されています。認定試験は、セキュリティインシデントの特定、分析、および対応を担当するセキュリティの専門家、システム管理者、およびネットワーク管理者を対象としています。
合格できるEC-COUNCIL Certified SOC Analyst (CSA)試験はいくつありますか？ それらをすべて試してみてください！ Fast2testは、Certified SOC Analyst (CSA) コーススペシャリストが開発した実際のEC-COUNCIL 312-39の回答を含むCertified SOC Analyst (CSA) 312-39試験問題への完全なアクセス権をUnlimited Access Planに提示します。 EC-COUNCIL Certified SOC Analyst (CSA)テストに合格できるだけでなく、さらに良くなります！ また、すべての試験の質問と回答にアクセスして、合計1800以上の試験に合格することもできます。
認定試験では、脅威分析、ネットワークセキュリティ、インシデント対応、セキュリティオペレーションセンター（SOC）管理など、幅広いトピックをカバーしています。この試験は、現実世界のSOC環境でのセキュリティインシデントを効果的に管理および軽減するために必要な実践的なスキルと知識に焦点を当てています。成功した候補者は、セキュリティインシデントを検出および対応するために必要なスキルと知識、および効果的なSOCを管理および維持する能力を備えています。
EC-Council 312-39試験では、ネットワークセキュリティ、インシデント対応、脅威インテリジェンス、インシデント処理など、SOC分析に関連する幅広いトピックをカバーしています。この試験は、実際のシナリオで潜在的なセキュリティの脅威を特定して軽減する個人の能力をテストするように設計されています。また、セキュリティ情報とイベント管理（SIEM）システム、侵入検知システム（IDS）、セキュリティオーケストレーションの自動化と対応（SOAR）プラットフォームなど、SOC分析で使用される業界標準のツールと技術に関する知識をテストします。試験が正常に完了すると、個人には、SOC分析の専門知識のマークとしてグローバルに認められている認定SOCアナリスト（CSA）認定が授与されます。
質問 # 152
Mike is an incident handler for PNP Infosystems Inc. One day, there was a ticket raised regarding a critical incident and Mike was assigned to handle the incident. During the process of incident handling, at one stage, he has performed incident analysis and validation to check whether the incident is a true incident or a false positive.
Identify the stage in which he is currently in.
正解：C
解説：
質問 # 153
The team receives an alert about a ransomware incident affecting the organization's email infrastructure.
Forensic analysis identifies the ransomware exploited CVE-2024-0123 in an unpatched mail server. The incident response team is deploying an emergency patch (KB5025941), updating mail filtering rules to block malicious payloads, and implementing additional network segmentation to limit lateral movement. Which phase of the Incident Response process is the SOC currently executing?
正解：C
解説：
These actions align most strongly with eradication because they are removing the root cause of compromise and eliminating the adversary's ability to persist. Applying an emergency patch to the exploited mail server closes the vulnerability that enabled initial access. Updating mail filtering rules to block the malicious payload reduces reinfection risk and removes the delivery path. Network segmentation can be a containment measure, but in this context it is being implemented as a corrective control to prevent continued lateral movement and re-compromise as part of eliminating the threat's operational pathways. Evidence gathering is already implied by the forensic identification of the exploited CVE; recovery would involve restoring services and data after the threat is removed. In SOC practice, containment stops immediate spread (isolate servers, block traffic), while eradication focuses on removing malware, closing exploited vulnerabilities, removing persistence, and making the environment safe for return-to-service. Because the scenario explicitly includes patching and control changes aimed at eliminating the exploit vector and stopping recurrence, eradication is the best fit.
質問 # 154
TechSolutions, a software development firm, discovered a potential data leak after an external security researcher reported finding sensitive customer data on a public code repository. Level 1 SOC analysts confirmed the presence of the data and escalated the issue. Level 2 analysts traced the source of the leak to an internal network account. The incident response team has been alerted, and the CISO demands a comprehensive analysis of the incident, including the extent of the data breach and the timeline of events. The SOC manager must decide whom to assign to the in-depth investigation. To accurately determine the timeline, extent, and root cause of the data leak, which SOC role is critical in gathering and analyzing digital evidence?
正解：B
解説：
A forensic analyst is the role best suited to perform in-depth evidence gathering and analysis required to reconstruct timelines, determine scope, and establish root cause for a data leak. This work includes preserving evidence (ensuring integrity), collecting endpoint and server artifacts, reviewing authentication and repository access logs, correlating commit history with identity and device telemetry, and building a defensible chain of events for leadership and potential legal/regulatory review. The SOC manager coordinates resources and priorities but typically does not perform hands-on forensic reconstruction. A subject matter expert may provide domain expertise (e.g., on Git workflows, cloud platforms, or database systems), but forensic rigor and evidence handling are the core requirement here. A threat intelligence analyst focuses on external adversary information, campaigns, and indicators; they can assist with context but are not the primary role for internal evidence reconstruction. Because the CISO needs timeline, extent, and root cause-deliverables that depend on digital evidence handling and forensic methodology-the forensic analyst is the critical assignment.
質問 # 155
Which of the following stage executed after identifying the required event sources?
正解：A
質問 # 156
Identify the HTTP status codes that represents the server error.
正解：C
解説：
HTTP status codes are categorized into five classes, where each class is represented by the first digit of the status code. The 5XX series of status codes indicates server errors, which means that the server is aware that it has encountered an error or is otherwise incapable of performing the request. Common examples of 5XX status codes include 500 (Internal Server Error), 501 (Not Implemented), 502 (Bad Gateway), etc. These indicate that the request was valid, but the server failed to fulfill the request due to some issue on the server side.
References: The EC-Council's Certified SOC Analyst (C|SA) course material and study guides discuss the interpretation and significance of HTTP status codes in the context of security operations. Understanding these codes is crucial for SOC analysts, as they can indicate potential server-side issues that may impact the security posture of an organization12.
質問 # 157
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