312-85基礎訓練 & 312-85資格準備

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312-85学習教材自体については、学習者が学習教材をさまざまな角度から効率的に学習できるように複数の機能を強化します。たとえば、試験を刺激する機能は、受験者が実際の312-85試験の雰囲気とペースに精通し、予期しない問題の発生を回避するのに役立ちます。簡単に言えば、当社の312-85トレーニングガイドは品質とサービスを優先し、ECCouncilお客様に312-85試験に合格するための新しい体験と快適な気持ちをお届けします。

Eccouncil 312-85試験は、かなりの量の準備が必要な包括的な試験です。成功するためには、候補者は脅威インテリジェンス分析で使用される重要な概念とツールを強く理解する必要があります。また、この知識を実用的な設定で適用できる必要があります。そのため、候補者は、実際の試験を試みる前に、必要なトレーニングおよび練習試験を受けることをお勧めします。

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312-85資格準備 & 312-85日本語復習赤本

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ECCouncil Certified Threat Intelligence Analyst 認定 312-85 試験問題 (Q71-Q76):

質問 # 71
Andrews and Sons Corp. has decided to share threat information among sharing partners. Garry, a threat analyst, working in Andrews and Sons Corp., has asked to follow a trust model necessary to establish trust between sharing partners. In the trust model used by him, the first organization makes use of a body of evidence in a second organization, and the level of trust between two organizations depends on the degree and quality of evidence provided by the first organization.
Which of the following types of trust model is used by Garry to establish the trust?

正解：A


質問 # 72
Tech Crunch Inc. has hired John, who is a professional threat intelligence analyst. He was asked to conduct threat intelligence analysis that provides contextual information about the security events and incidents that further help the organization to disclose potential risks, provide greater insight into attacker methodologies, identify past malicious activities, and perform investigations on malicious activities in a more efficient way.
Identify the type of threat intelligence John is going to perform for the organization.

正解：A

解説：
The description focuses on contextual information about events and incidents, including attacker methodologies, risks, and historical malicious activity. This aligns with Operational Threat Intelligence.
Operational Threat Intelligence provides actionable insights about current or recent attacks, giving context that supports incident response and security operations. It connects individual technical indicators with the larger picture of attacker campaigns and motives.
Why the Other Options Are Incorrect:
* B. Strategic threat intelligence: Focuses on long-term, high-level planning for executives.
* C. Technical threat intelligence: Deals with raw indicators such as hashes, IPs, and URLs.
* D. Tactical threat intelligence: Focuses on adversary TTPs for defense operations, not contextual event analysis.
Conclusion:
John is performing Operational Threat Intelligence, which enriches event data with contextual information for investigation and response.
Final Answer: A. Operational threat intelligence
Explanation Reference (Based on CTIA Study Concepts):
CTIA defines operational threat intelligence as intelligence that provides context for incidents and ongoing attacks, helping organizations understand threats at a campaign or activity level.


質問 # 73
In which of the following forms of bulk data collection are large amounts of data first collected from multiple sources in multiple formats and then processed to achieve threat intelligence?

正解：D

解説：
In the context of bulk data collection for threat intelligence, data is often initially collected in an unstructured form from multiple sources and in various formats. This unstructured data includes information from blogs, news articles, threat reports, social media, and other sources that do not follow a specific structure or format.
The subsequent processing of this data involves organizing, structuring, and analyzing it to extract actionable threat intelligence. This phase is crucial for turning vast amounts of disparate data into coherent, useful insights for cybersecurity purposes.References:
* "The Role of Unstructured Data in Cyber Threat Intelligence," by Jason Trost, Anomali
* "Turning Unstructured Data into Cyber Threat Intelligence," by Giorgio Mosca, IEEE Xplore


質問 # 74
Tim is working as an analyst in an ABC organization. His organization had been facing many challenges in converting the raw threat intelligence data into meaningful contextual information. After inspection, he found that it was due to noise obtained from misrepresentation of data from huge data collections. Hence, it is important to clean the data before performing data analysis using techniques such as data reduction. He needs to choose an appropriate threat intelligence framework that automatically performs data collection, filtering, and analysis for his organization.
Which of the following threat intelligence frameworks should he choose to perform such task?

正解：A


質問 # 75
To extract useful intelligence from the gathered bulk data and to improve the efficiency of the composite bulk data, Sam, a threat analyst, follows a data analysis method where he creates a logical sequence of events based on the assumptions of an adversary's proposed actions, mechanisms, indicators, and implications. To develop accurate predictions, he further takes into consideration the important factors including bad actors, methods, vulnerabilities, targets, and so on.
Which of the following data analysis methods is used by Sam to extract useful intelligence out of bulk data?

正解：C

解説：
The description provided in the question directly matches the concept of Critical Path Analysis (CPA) as used in threat intelligence analysis.
In CTIA, Critical Path Analysis is a structured analytical technique used to determine the logical sequence of adversarial actions or events that could lead to a specific outcome. It helps analysts create a timeline or chain of likely activities based on adversary behavior, available vulnerabilities, and possible targets.
This method involves constructing a logical flow of actions that an attacker might take - such as reconnaissance, exploitation, lateral movement, and data exfiltration - and identifying key points in that chain where defenders can detect or disrupt the attack.
Key Characteristics of Critical Path Analysis:
* It helps identify cause-and-effect relationships between adversarial actions.
* It is assumption-driven, based on observed patterns, indicators, and adversary intent.
* It allows prediction of future attacker behavior by modeling their likely paths and objectives.
* It supports prioritization of defensive measures at critical stages of an attack.
Why the Other Options Are Incorrect:
* B. Linchpin analysis:Focuses on identifying the key individual, node, or factor that plays a pivotal role in an adversary's operation. It is used for identifying the "weakest link" to disrupt the threat actor's network, not for sequencing adversary actions.
* C. Analogy analysis:Involves comparing current situations or attack patterns with previous known cases to infer potential behaviors or outcomes. It relies on historical similarities, not on logical event sequencing.
* D. Opportunity analysis:Focuses on identifying areas where intelligence can create opportunities to mitigate or exploit a situation. It's used for strategic planning, not constructing adversarial timelines.
Conclusion:
Sam used Critical Path Analysis to model the attacker's likely actions and derive meaningful intelligence from large volumes of data.
Final Answer: A. Critical Path Analysis
Explanation Reference (Based on CTIA Study Concepts):
As per CTIA analysis techniques, Critical Path Analysis is used for building logical sequences of adversarial events to anticipate attacker behavior and improve prediction accuracy.


質問 # 76
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