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Useful High CCOA Passing Score to Obtain ISACA Certification

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ISACA Certified Cybersecurity Operations Analyst Sample Questions (Q134-Q139):

NEW QUESTION # 134
Which of the following controls would BEST prevent an attacker from accessing sensitive data from files or disk images that have been obtained either physically or via the network?

A. Endpoint detection and response (EOR)
B. Next generation antivirus
C. Encryption of data at rest
D. Data loss prevention (DLP)

Answer: C

Explanation:
Encryption of data at restis the best control to protectsensitive data from unauthorized access, even if physical or network access to the disk or file is obtained.
* Protection:Data remains unreadable without the proper encryption keys.
* Scenarios:Protects data from theft due to lost devices or compromised servers.
* Compliance:Often mandated by regulations (e.g., GDPR, HIPAA).
Incorrect Options:
* A. Next-generation antivirus:Detects malware, not data protection.
* B. Data loss prevention (DLP):Prevents data exfiltration but does not protect data at rest.
* C. Endpoint detection and response (EDR):Monitors suspicious activity but does not secure stored data.
Exact Extract from CCOA Official Review Manual, 1st Edition:
Refer to Chapter 6, Section "Data Security Strategies," Subsection "Encryption Techniques" - Encryption of data at rest is essential for protecting sensitive information.

NEW QUESTION # 135
Which of the following is the PRIMARY benefit of a cybersecurity risk management program?

A. Reduction of compliance requirements
B. Alignment with Industry standards
C. Identification of data protection processes
D. implementation of effective controls

Answer: D

Explanation:
The primary benefit of a cybersecurity risk management program is theimplementation of effective controls to reduce the risk of cyber threats and vulnerabilities.
* Risk Identification and Assessment:The program identifies risks to the organization, including threats and vulnerabilities.
* Control Implementation:Based on the identified risks, appropriate security controls are put in place to mitigate them.
* Ongoing Monitoring:Ensures that implemented controls remain effective and adapt to evolving threats.
* Strategic Alignment:Helps align cybersecurity practices with organizational objectives and risk tolerance.
Incorrect Options:
* A. Identification of data protection processes:While important, it is a secondary outcome.
* B. Reduction of compliance requirements:A risk management program does not inherently reduce compliance needs.
* C. Alignment with Industry standards:This is a potential benefit but not the primary one.
Exact Extract from CCOA Official Review Manual, 1st Edition:
Refer to Chapter 1, Section "Risk Management and Security Programs" - Effective risk management leads to the development and implementation of robust controls tailored to identified risks.

NEW QUESTION # 136
A change advisory board Is meeting to review a remediation plan for a critical vulnerability, with a cybersecurity analyst in attendance. When asked about measures to address post-implementation issues, which o! the following would be the analyst's BEST response?

A. The presence of additional onsite staff during the implementation removes the need for a rollback plan.
B. The severity of the vulnerability determines whether a rollback plan is required.
C. The remediation should be canceled if post-implementation issues are anticipated.
D. Details for rolling back applied changes should be included In the remediation plan.

Answer: D

Explanation:
When discussing a remediation plan for acritical vulnerability, it is essential to include arollback plan because:
* Post-Implementation Issues:Changes can cause unexpected issues or system instability.
* Risk Mitigation:A rollback plan ensures quick restoration to the previous state if problems arise.
* Best Practice:Always plan for potential failures when applying significant security changes.
* Change Management:Ensures continuity by maintaining a safe fallback option.
Other options analysis:
* A. Canceling remediation:This is not a proactive or practical approach.
* C. Severity-based rollback:Rollback plans should be standard regardless of severity.
* D. Additional staff presence:Does not eliminate the need for a rollback strategy.
CCOA Official Review Manual, 1st Edition References:
* Chapter 9: Change Management in Security Operations:Emphasizes rollback planning during critical changes.
* Chapter 8: Vulnerability Management:Discusses post-remediation risk considerations.

NEW QUESTION # 137
Which of the following is the PRIMARY purpose for an organization to adopt a cybersecurityframework?

A. To guarantee protection against possible cyber threats
B. To provide a standardized approach to cybetsecurity risk management
C. To automate cybersecurity processes and reduce the need for human intervention
D. To ensure compliance with specific regulations

Answer: B

Explanation:
Theprimary purposeof adopting acybersecurity frameworkis to establish astandardized approach to managing cybersecurity risks.
* Consistency:Provides a structured methodology for identifying, assessing, and mitigating risks.
* Best Practices:Incorporates industry standards and practices (e.g., NIST, ISO/IEC 27001) to guide security programs.
* Holistic Risk Management:Helps organizations systematically address vulnerabilities and threats.
* Compliance and Assurance:While compliance may be a secondary benefit, the primary goal is risk management and structured security.
Other options analysis:
* A. To ensure compliance:While frameworks can aid compliance, their main purpose is risk management, not compliance itself.
* B. To automate processes:Frameworks may encourage automation, but automation is not their core purpose.
* D. To guarantee protection:No framework canguaranteecomplete protection; they reduce risk, not eliminate it.
CCOA Official Review Manual, 1st Edition References:
* Chapter 3: Cybersecurity Frameworks and Standards:Discusses the primary purpose of frameworks in risk management.
* Chapter 10: Governance and Policy:Covers how frameworks standardize security processes.

NEW QUESTION # 138
Cyber Analyst Password:
For questions that require use of the SIEM, pleasereference the information below:
https://10.10.55.2
Security-Analyst!
CYB3R-4n4ly$t!
Email Address:
ccoatest@isaca.org
Password:Security-Analyst!
The enterprise has been receiving a large amount offalse positive alerts for the eternalblue vulnerability.
TheSIEM rulesets are located in /home/administrator/hids/ruleset/rules.
What is the name of the file containing the ruleset foreternalblue connections? Your response must includethe file extension.

Answer:

Explanation:
Step 1: Define the Problem and Objective
Objective:
* Identify thefile containing the rulesetforEternalBlue connections.
* Include thefile extensionin the response.
Context:
* The organization is experiencingfalse positive alertsfor theEternalBlue vulnerability.
* The rulesets are located at:
/home/administrator/hids/ruleset/rules
* We need to find the specific file associated withEternalBlue.
Step 2: Prepare for Access
2.1: SIEM Access Details:
* URL:
https://10.10.55.2
* Username:
ccoatest@isaca.org
* Password:
Security-Analyst!
* Ensure your machine has access to the SIEM system via HTTPS.
Step 3: Access the SIEM System
3.1: Connect via SSH (if needed)
* Open a terminal and connect:
ssh administrator@10.10.55.2
* Password:
Security-Analyst!
* If prompted about SSH key verification, typeyesto continue.
Step 4: Locate the Ruleset File
4.1: Navigate to the Ruleset Directory
* Change to the ruleset directory:
cd /home/administrator/hids/ruleset/rules
ls -l
* You should see a list of files with names indicating their purpose.
4.2: Search for EternalBlue Ruleset
* Use grep to locate the EternalBlue rule:
grep -irl "eternalblue" *
* Explanation:
* grep -i: Case-insensitive search.
* -r: Recursive search within the directory.
* -l: Only print file names with matches.
* "eternalblue": The keyword to search.
* *: All files in the current directory.
Expected Output:
exploit_eternalblue.rules
* Filename:
exploit_eternalblue.rules
* The file extension is .rules, typical for intrusion detection system (IDS) rule files.
Step 5: Verify the Content of the Ruleset File
5.1: Open and Inspect the File
* Use less to view the file contents:
less exploit_eternalblue.rules
* Check for rule patterns like:
alert tcp $EXTERNAL_NET any -> $HOME_NET 445 (msg:"EternalBlue SMB Exploit"; ...)
* Use the search within less:
/eternalblue
* Purpose:Verify that the file indeed contains the rules related to EternalBlue.
Step 6: Document Your Findings
* Ruleset File for EternalBlue:
exploit_eternalblue.rules
* File Path:
/home/administrator/hids/ruleset/rules/exploit_eternalblue.rules
* Reasoning:This file specifically mentions EternalBlue and contains the rules associated with detecting such attacks.
Step 7: Recommendation
Mitigation for False Positives:
* Update the Ruleset:
* Modify the file to reduce false positives by refining the rule conditions.
* Update Signatures:
* Check for updated rulesets from reliable threat intelligence sources.
* Whitelist Known Safe IPs:
* Add exceptions for legitimate internal traffic that triggers the false positives.
* Implement Tuning:
* Adjust the SIEM correlation rules to decrease alert noise.
Final Verification:
* Restart the IDS service after modifying rules to ensure changes take effect:
sudo systemctl restart hids
* Check the status:
sudo systemctl status hids
Final Answer:
* Ruleset File Name:
exploit_eternalblue.rules

NEW QUESTION # 139
......

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