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๋์ํต๊ณผ์จCPTIAํผํํธ์ต์ ๋คํ๋ฌธ์ ์ํ๋คํ์๋ฃ
์ฌ๋ฌ๋ถ์ ์์ง๋CREST CPTIA์ธ์ฆ์ํ์ ๋์ด๋์ ๋ํ์ฌ ๊ณ ๋ฏผ ์ค์ ๋๊น? ์์ง๋CREST CPTIA์ํ ๋๋ฌธ์ ๋ฐค์ ๋ ์ ๋๋ก ์ด๋ฃจ์ง ๋ชปํ๋ฉด์ ์ํ๊ณต๋ถ๋ฅผ ํ๊ณ ์์ต๋๊น? ๋นจ๋ฆฌ๋นจ๋ฆฌITDumpsKR๋ฅผ ์ ํํ์ฌ ์ฃผ์ธ์. ๊ทธ๋ผ ๋น ๋ฅธ ์์ผ๋ด์ ๋ง์ ๊ณต์ ๋ค์ด์ง ์๊ณ ์ฌ๋ฌ๋ถ์ผ ๊ฟ์ ์ด๋ฃฐ์ ์์ต๋๋ค.
์์ ์ ๋ถ๋จํ ์ ๊ทธ๋ ์ด๋ํ๋ ค๋ฉด ๋ง์ ๋ ธ๋ ฅ์ด ํ์ํฉ๋๋ค. IT์ ์ข ์ข ์ฌ์๋ผ๋ฉด ๊ตญ์ ์น์ธ IT์ธ์ฆ์๊ฒฉ์ฆ์ ์ทจ๋ํ๋๊ฒ์ด ์์ ์ ์ ๊ทธ๋ ์ด๋ํ๋๊ฒ๊ณผ ๊ฐ์ต๋๋ค. CREST์ธ์ฆ CPTIA์ํ์ ํจ์คํ์ฌ ์ํ๋ ์๊ฒฉ์ฆ์ ์ทจ๋ํ๋ ค๋ฉดITDumpsKR์CREST์ธ์ฆ CPTIA๋คํ๋ฅผ ์ถ์ฒํด๋๋ฆฝ๋๋ค. ํ๋ฃจ๋นจ๋ฆฌ ๋คํ๋ฅผ ๊ณต๋ถํ์ฌ ์๊ฒฉ์ฆ ๋ถ์๊ฐ ๋์ธ์.
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์ผ๋ฐ์ ์ผ๋กCPTIA์ธ์ฆ์ํ์ IT์ ๊ณ์ ๋ฌธ๊ฐ๋ค์ด ๋์์๋ ๋ ธ๋ ฅ๊ณผ ์ง๊ธ๊น์ง์ ๊ฒฝํ์ผ๋ก ์ฐ๊ตฌํ์ฌ ๋ง๋ค์ด๋ธ ์ ์ผ ์ ํํ ์ํ๋ฌธ์ ์ ๋ต๋ค์ด๋. ๋ง์นจ ์ฐ๋ฆฌITDumpsKR ์ ๋ฌธ์ ์ ๋ต๋ค์ ๋ชจ๋ ์ด๋ฌํ ๊ณผ์ ์ ๊ฑธ์ณ์ ๋ง๋ค์ด์ง ์์ฃผ ์๋ฒฝํ ์ํ๋๋น๋ฌธ์ ์ง๋ค์ ๋๋ค. ์ฐ๋ฆฌ์ ๋ฌธ์ ์ง์ผ๋ก ์ฌ๋ฌ๋ถ์ ์ถฉ๋ถํ ์์ ์ด ์ํ์ ํจ์คํ์ค ์ ์์ต๋๋ค. ์ฐ๋ฆฌ ITDumpsKR ์ ๋ฌธ์ ์ง๋ค์ ๋ชจ๋ 100%๋ณด์ฅ ๋๋ฅผ ์๋ํ๋ฉฐ ๋ง์ฝ ์ฐ๋ฆฌITDumpsKR์ ์ ํ์ ๊ตฌ๋งคํ์๋ค๋ฉดCREST CPTIA๊ด๋ จ ์ํํจ์ค์ ์๊ฒฉ์ฆ์ทจ๋์ ๊ทผ์ฌํ์ง ์์ผ์ ๋ ๋ฉ๋๋ค. ์ฌ๋ฌ๋ถ์ IT์ ๊ณ์์ ๋ ํ์ธต ์ ๊ทธ๋ ์ด๋ ๋ ๊ฒ์ ๋๋ค.
์ต์ CREST Practitioner CPTIA ๋ฌด๋ฃ์ํ๋ฌธ์ (Q67-Q72):
์ง๋ฌธ # 67
Elizabeth, who works for OBC organization as an incident responder, is assessing the risks to the organizational security. As part of the assessment process, she is calculating the probability of a threat source exploiting an existing system vulnerability. Which of the following risk assessment steps is Elizabeth currently in?
- A. Likelihood analysis
- B. System characterization
- C. Impact analysis
- D. Vulnerability identification
์ ๋ต๏ผA
์ค๋ช
๏ผ
In the risk assessment process, calculating the probability that a threat source will exploit an existing system vulnerability is known as likelihood analysis. This step involves evaluating how probable it is that the organization's vulnerabilities can be exploited by potential threats, considering various factors such as the nature of the vulnerability, the presence and capability of threat actors, and the effectiveness of current controls. Elizabeth's task of assessing the probability of exploitation is crucial for understanding the risk level associated with different vulnerabilities and for prioritizing risk mitigation efforts based on the likelihood of occurrence.
References:The Certified Incident Handler (CREST CPTIA) program by EC-Council includes detailed discussions on risk assessment methodologies, where likelihood analysis is highlighted as a key component in evaluating risks to organizational security.
ย
์ง๋ฌธ # 68
What is the most recent NIST standard for incident response?
- A. 800-61r2
- B. 800-53r3
- C. 800-61r3
- D. 800-171r2
์ ๋ต๏ผA
์ค๋ช
๏ผ
As of my last update, the most recent NIST standard for incident response was NIST Special Publication 800-
61 Revision 2 (800-61r2), titled "Computer Security Incident Handling Guide." This document provides guidelines for establishing an effective incident response program, including preparation, detection and analysis, containment, eradication, recovery, and post-incident activity.
References:The document is a key resource in the field of incident response, frequently cited in the CREST CPTIA curriculum for its comprehensive guidelines on managing and responding to cybersecurity incidents.
ย
์ง๋ฌธ # 69
Lizzy, an analyst, wants to recognize the level of risks to the organization so as to plan countermeasures against cyber attacks. She used a threat modelling methodology where she performed the following stages:
Stage 1: Build asset-based threat profiles
Stage 2: Identify infrastructure vulnerabilities
Stage 3: Develop security strategy and plans
Which of the following threat modelling methodologies was used by Lizzy in the aforementioned scenario?
- A. OCTAVE
- B. TRIKE
- C. VAST
- D. DREAD
์ ๋ต๏ผA
์ค๋ช
๏ผ
The threat modeling methodology employed by Lizzy, which involves building asset-based threat profiles, identifying infrastructure vulnerabilities, and developing security strategies and plans, aligns with the OCTAVE (Operationally Critical Threat, Asset, and Vulnerability Evaluation) methodology. OCTAVE focuses on organizational risk and security practices, emphasizing self-directed risk assessments to identify and prioritize threats to organizational assets and develop appropriate security strategies and plans. This methodology is asset-driven and revolves around understanding critical assets, identifying threats to those assets, and assessing vulnerabilities, leading to the development of a comprehensive security strategy.
References:
* The CERT Guide to System and Network Security Practices by Julia H. Allen
* "OCTAVE Method Implementation Guide Version 2.0," Carnegie Mellon University, Software Engineering Institute
ย
์ง๋ฌธ # 70
Mr. Smith is a lead incident responder of a small financial enterprise having few branches in Australia. Recently, the company suffered a massive attack losing USD 5 million through an inter-banking system. After in-depth investigation on the case, it was found out that the incident occurred because 6 months ago the attackers penetrated the network through a minor vulnerability and maintained the access without any user being aware of it. Then, he tried to delete users' fingerprints and performed a lateral movement to the computer of a person with privileges in the inter-banking system.
Finally, the attacker gained access and did fraudulent transactions.
Based on the above scenario, identify the most accurate kind of attack.
- A. APT attack
- B. Denial-of-service attack
- C. Phishing
- D. Ransomware attack
์ ๋ต๏ผA
์ค๋ช
๏ผ
The scenario described fits the characteristics of an Advanced Persistent Threat (APT) attack. APTs are sophisticated, stealthy, and continuous computer hacking processes often orchestratedby groups targeting a specific entity. These attackers penetrate the network through vulnerabilities, maintain access without detection, and achieve their objectives, such as data exfiltration or financial theft, over an extended period.
The fact that attackers exploited a minor vulnerability, maintained access for six months, and performed lateral movements to access critical systems for fraudulent transactions highlights the strategic planning and persistence typical of APT attacks.References:Incident Handler (CREST CPTIA) certification materials discuss APTs in detail, including their methodologies, objectives, and the importance of comprehensive security strategies to detect and mitigate such threats.
ย
์ง๋ฌธ # 71
A US Federal Agency network was the target of a DoS attack that prevented and impaired the normal authorized functionality of the networks. According to agency's reporting timeframe guidelines, this incident should be reported within 2 h of discovery/detection if the successful attack is still ongoing and the agency is unable to successfully mitigate the activity.
Which incident category of US Federal Agency does this incident belong to?
- A. CAT 6
- B. CAT 2
- C. CAT 5
- D. CAT 1
์ ๋ต๏ผB
์ค๋ช
๏ผ
In the context of US Federal Agencies, incidents are categorized based on their impact on operations, assets, or individuals. A DoS attack that prevents or impairs the authorized functionality of networks and is still ongoing without successful mitigation efforts typically falls under Category 2 (CAT 2). This category is designated for incidents that have a significant impact, requiring immediate reporting and response. The reporting timeframe of within 2 hours as mentioned aligns with the urgency associated with CAT 2 incidents, emphasizing the need for swift action to address the attack and restore normal operations.References:US Federal incident response guidelines and the Incident Handler (CREST CPTIA)courses outline the categorization of cybersecurity incidents, detailing the response protocols for each category, including the reporting timeframes.
ย
์ง๋ฌธ # 72
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