CS0-003受験記対策 & CS0-003日本語版テキスト内容

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CompTIA CS0-003 認定試験の出題範囲：

トピック	出題範囲
トピック 1	与えられたシナリオに基づいて、脆弱性評価ツールからの出力を分析するインシデント対応の報告とコミュニケーションの重要性を説明する
トピック 2	与えられたシナリオで、データを分析して脆弱性の優先順位を付けます与えられたシナリオで、適切なツールまたは技術を使用して悪意のあるアクティビティを特定します
トピック 3	インシデント管理ライフサイクルの準備段階とインシデント後の活動段階について説明する脅威インテリジェンスと脅威ハンティングの概念を比較対照する
トピック 4	セキュリティ運用における効率とプロセス改善の重要性を説明する脆弱性への対応、処理、管理に関連する概念を説明する
トピック 5	与えられたシナリオに基づいて、インシデント対応活動を実行します。与えられたシナリオに基づいて、攻撃とソフトウェアの脆弱性を軽減するための制御を推奨します。
トピック 6	与えられたシナリオに基づいて、脆弱性スキャンの方法と概念を実装するセキュリティ運用におけるシステムとネットワークアーキテクチャの概念の重要性を説明する
トピック 7	与えられたシナリオに基づいて、潜在的に悪意のあるアクティビティの指標を分析する脆弱性管理の報告とコミュニケーションの重要性を説明する

CS0-003受験記対策

ユニークなCS0-003受験記対策合格スムーズCS0-003日本語版テキスト内容 | 実用的なCS0-003日本語試験対策 CompTIA Cybersecurity Analyst (CySA+) Certification Exam

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CompTIA Cybersecurity Analyst (CySA+) Certification Exam 認定 CS0-003 試験問題 (Q52-Q57):

質問 # 52
A security analyst obtained the following table of results from a recent vulnerability assessment that was conducted against a single web server in the environment:

Which of the following should be completed first to remediate the findings?

A. Add the IP address allow listing for control panel access
B. Perform proper sanitization on all fields
C. Purchase an appropriate certificate from a trusted root CA
D. Ask the web development team to update the page contents

正解：B

解説：
Explanation
The first action that should be completed to remediate the findings is to perform proper sanitization on all fields. Sanitization is a process that involves validating, filtering, or encoding any user input or data before processing or storing it on a system or application. Sanitization can help prevent various types of attacks, such as cross-site scripting (XSS), SQL injection, or command injection, that exploit unsanitized input or data to execute malicious scripts, commands, or queries on a system or application. Performing proper sanitization on all fields can help address the most critical and common vulnerability found during the vulnerability assessment, which is XSS.

質問 # 53
A security analyst is tasked with prioritizing vulnerabilities for remediation. The relevant company security policies are shown below:
Security Policy 1006: Vulnerability Management
1. The Company shall use the CVSSv3.1 Base Score Metrics (Exploitability and Impact) to prioritize the remediation of security vulnerabilities.
2. In situations where a choice must be made between confidentiality and availability, the Company shall prioritize confidentiality of data over availability of systems and data.
3. The Company shall prioritize patching of publicly available systems and services over patching of internally available system.
According to the security policy, which of the following vulnerabilities should be the highest priority to patch?

正解：A

解説：
Explanation
According to the security policy, the company shall use the CVSSv3.1 Base Score Metrics to prioritize the remediation of security vulnerabilities. Option C has the highest CVSSv3.1 Base Score of 9.8, which indicates a critical severity level. The company shall also prioritize confidentiality of data over availability of systems and data, and option C has a high impact on confidentiality (C:H). Finally, the company shall prioritize patching of publicly available systems and services over patching of internally available systems, and option C affects a public-facing web server. Official References: https://www.first.org/cvss/

質問 # 54
Members of the sales team are using email to send sensitive client lists with contact information to their personal accounts The company's AUP and code of conduct prohibits this practice. Which of the following configuration changes would improve security and help prevent this from occurring?

A. Put employees' personal email accounts on the mail server on a blocklist.
B. Move outbound emails containing names and contact information to a sandbox for further examination.
C. Use Group Policy to prevent users from copying and pasting information into emails.
D. Set up IPS to scan for outbound emails containing names and contact information.
E. Configure the DLP transport rules to provide deep content analysis.

正解：E

解説：
Data loss prevention (DLP) is a set of policies and tools that aim to prevent unauthorized disclosure of sensitive data. DLP transport rules are rules that apply to email messages that are sent or received by an organization's mail server. These rules can provide deep content analysis, which means they can scan the content of email messages and attachments for sensitive data patterns, such as client lists or contact information. If a rule detects a violation of the DLP policy, it can take actions such as blocking, quarantining, or notifying the sender or recipient. This would improve security and help prevent sales team members from sending sensitive client lists to their personal accounts. Reference: CompTIA Cybersecurity Analyst (CySA+) Certification Exam Objectives (CS0-002), page 14; https://docs.microsoft.com/en-us/exchange/security-and-compliance/mail-flow-rules/data-loss-prevention

質問 # 55
Which of the following is often used to keep the number of alerts to a manageable level when establishing a process to track and analyze violations?

A. Maximum log size
B. Threshold value
C. Log retention
D. Log rotation

正解：B

解説：
Explanation
A threshold value is a parameter that defines the minimum or maximum level of a metric or event that triggers an alert. For example, a threshold value can be set to alert when the number of failed login attempts exceeds
10 in an hour, or when the CPU usage drops below 20% for more than 15 minutes. By setting a threshold value, the process can filter out irrelevant or insignificant alerts and focus on the ones that indicate a potential problem or anomaly. A threshold value can help to reduce the noise and false positives in the alert system, and improve the efficiency and accuracy of the analysis12

質問 # 56
A systems administrator is reviewing after-hours traffic flows from data-center servers and sees regular outgoing HTTPS connections from one of the servers to a public IP address. The server should not be making outgoing connections after hours. Looking closer, the administrator sees this traffic pattern around the clock during work hours as well. Which of the following is the most likely explanation?

A. Data exfiltration
B. Network host IP address scanning
C. Anomalous activity on unexpected ports
D. C2 beaconing activity
E. A rogue network device

正解：D

解説：
Explanation
The most likely explanation for this traffic pattern is C2 beaconing activity. C2 stands for command and control, which is a phase of the Cyber Kill Chain that involves the adversary attempting to establish communication with a successfully exploited target. C2 beaconing activity is a type of network traffic that indicates a compromised system is sending periodic messages or signals to an attacker's system using various protocols, such as HTTP(S), DNS, ICMP, or UDP. C2 beaconing activity can enable the attacker to remotely control or manipulate the target system or network using various methods, such as malware callbacks, backdoors, botnets, or covert channels.

質問 # 57
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CS0-003日本語版テキスト内容: https://www.goshiken.com/CompTIA/CS0-003-mondaishu.html