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CCOA Pass4sure Torrent & CCOA Valid Pdf & CCOA Testking Exam
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ISACA CCOA Exam Syllabus Topics:
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ISACA Certified Cybersecurity Operations Analyst Sample Questions (Q70-Q75):
NEW QUESTION # 70
Which of the following BEST enables an organization to identify potential security threats by monitoring and analyzing network traffic for unusual activity?
- A. Data loss prevention (DLP)
- B. Web application firewall (WAP)
- C. Endpoint security
- D. Security operation center (SOC)
Answer: D
Explanation:
ASecurity Operation Center (SOC)is tasked with monitoring and analyzing network traffic to detect anomalies and potential security threats.
* Role:SOCs collect and analyze data from firewalls, intrusion detection systems (IDS), and other network monitoring tools.
* Function:Analysts in the SOC identify unusual activity patterns that may indicate intrusions or malware.
* Proactive Threat Detection:Uses log analysis and behavioral analytics to catch threats early.
Incorrect Options:
* A. Web application firewall (WAF):Protects against web-based attacks but does not analyze network traffic in general.
* B. Endpoint security:Focuses on individual devices, not network-wide monitoring.
* D. Data loss prevention (DLP):Monitors data exfiltration rather than overall network activity.
Exact Extract from CCOA Official Review Manual, 1st Edition:
Refer to Chapter 8, Section "Security Monitoring and Threat Detection," Subsection "Role of the SOC" - SOCs are integral to identifying potential security threats through network traffic analysis.
NEW QUESTION # 71
Which of the following roles is responsible for approving exceptions to and deviations from the incident management team charter on an ongoing basis?
- A. Cybersecurity analyst
- B. Incident response manager
- C. Security steering group
- D. Chief information security officer (CISO)
Answer: D
Explanation:
TheCISOis typically responsible for approvingexceptions and deviationsfrom theincident management team charterbecause:
* Strategic Decision-Making:As the senior security executive, the CISO has the authority to approve deviations based on risk assessments and business priorities.
* Policy Oversight:The CISO ensures that any exceptions align with organizational security policies.
* Incident Management Governance:As part of risk management, the CISO is involved in high-level decisions impacting incident response.
Other options analysis:
* A. Security steering group:Advises on strategy but does not typically approve operational deviations.
* B. Cybersecurity analyst:Executes tasks rather than making executive decisions.
* D. Incident response manager:Manages day-to-day operations but usually does not approve policy deviations.
CCOA Official Review Manual, 1st Edition References:
* Chapter 2: Security Governance:Defines the role of the CISO in managing incident-related exceptions.
* Chapter 8: Incident Management Policies:Discusses decision-making authority within incident response.
NEW QUESTION # 72
The CISO has received a bulletin from law enforcementauthorities warning that the enterprise may be at risk ofattack from a specific threat actor. Review the bulletin named CCOA Threat Bulletin.pdf on the Desktop.
Which of the following domain name(s) from the CCOAThreat Bulletin.pdf was contacted between 12:10 AMto 12:12 AM (Absolute) on August 17, 2024?
Answer:
Explanation:
See the solution in Explanation.
Explanation:
Step 1: Understand the Objective
Objective:
* Identify thedomain name(s)that werecontactedbetween:
12:10 AM to 12:12 AM on August 17, 2024
* Source of information:
CCOA Threat Bulletin.pdf
* File location:
~/Desktop/CCOA Threat Bulletin.pdf
Step 2: Prepare for Investigation
2.1: Ensure Access to the File
* Check if the PDF exists:
ls ~/Desktop | grep "CCOA Threat Bulletin.pdf"
* Open the file to inspect:
xdg-open ~/Desktop/CCOA Threat Bulletin.pdf
* Alternatively, convert to plain text for easier analysis:
pdftotext ~/Desktop/CCOA Threat Bulletin.pdf ~/Desktop/threat_bulletin.txt cat ~/Desktop/threat_bulletin.txt
2.2: Analyze the Content
* Look for domain names listed in the bulletin.
* Make note ofany domainsorURLsmentioned as IoCs (Indicators of Compromise).
* Example:
suspicious-domain.com
malicious-actor.net
threat-site.xyz
Step 3: Locate Network Logs
3.1: Find the Logs Directory
* The logs could be located in one of the following directories:
/var/log/
/home/administrator/hids/logs/
/var/log/httpd/
/var/log/nginx/
* Navigate to the likely directory:
cd /var/log/
ls -l
* Identify relevant network or DNS logs:
ls -l | grep -E "dns|network|http|nginx"
Step 4: Search Logs for Domain Contacts
4.1: Use the Grep Command to Filter Relevant Timeframe
* Since we are looking for connections between12:10 AM to 12:12 AMonAugust 17, 2024:
grep "2024-08-17 00:1[0-2]" /var/log/dns.log
* Explanation:
* grep "2024-08-17 00:1[0-2]": Matches timestamps between00:10and00:12.
* Replace dns.log with the actual log file name, if different.
4.2: Further Filter for Domain Names
* To specifically filter out the domains listed in the bulletin:
grep -E "(suspicious-domain.com|malicious-actor.net|threat-site.xyz)" /var/log/dns.log
* If the logs are in another file, adjust the file path:
grep -E "(suspicious-domain.com|malicious-actor.net|threat-site.xyz)" /var/log/nginx/access.log Step 5: Correlate Domains and Timeframe
5.1: Extract and Format Relevant Results
* Combine the commands to get time-specific domain hits:
grep "2024-08-17 00:1[0-2]" /var/log/dns.log | grep -E "(suspicious-domain.com|malicious-actor.net|threat- site.xyz)"
* Sample Output:
2024-08-17 00:11:32 suspicious-domain.com accessed by 192.168.1.50
2024-08-17 00:12:01 malicious-actor.net accessed by 192.168.1.75
* Interpretation:
* The command revealswhich domain(s)were contacted during the specified time.
Step 6: Verification and Documentation
6.1: Verify Domain Matches
* Cross-check the domains in the log output against those listed in theCCOA Threat Bulletin.pdf.
* Ensure that the time matches the specified range.
6.2: Save the Results for Reporting
* Save the output to a file:
grep "2024-08-17 00:1[0-2]" /var/log/dns.log | grep -E "(suspicious-domain.com|malicious-actor.net|threat- site.xyz)" > ~/Desktop/domain_hits.txt
* Review the saved file:
cat ~/Desktop/domain_hits.txt
Step 7: Report the Findings
Final Answer:
* Domain(s) Contacted:
* suspicious-domain.com
* malicious-actor.net
* Time of Contact:
* Between 12:10 AM to 12:12 AM on August 17, 2024
* Reasoning:
* Matched thelog timestampsanddomain nameswith the threat bulletin.
Step 8: Recommendations:
* Immediate Block:
* Add the identified domains to theblockliston firewalls and intrusion detection systems.
* Monitor for Further Activity:
* Keep monitoring logs for any further connection attempts to the same domains.
* Perform IOC Scanning:
* Check hosts that communicated with these domains for possible compromise.
* Incident Report:
* Document the findings and mitigation actions in theincident response log.
NEW QUESTION # 73
When reviewing encryption applied to data within an organization's databases, a cybersecurity analyst notices that some databases use the encryption algorithms SHA-1 or 3-DES while others use AES-256. Which algorithm should the analyst recommend be used?
- A. AES-256
- B. DES
- C. TLS 1.1
- D. SHA-1
Answer: A
Explanation:
AES-256 (Advanced Encryption Standard)is the recommended algorithm for encrypting data within databases because:
* Strong Encryption:Uses a 256-bit key, providing robust protection against brute-force attacks.
* Widely Adopted:Standardized and approved for government and industry use.
* Security Advantage:AES-256 is significantly more secure compared to older algorithms like3-DESor SHA-1.
* Performance:Efficient encryption and decryption, suitable for database encryption.
Incorrect Options:
* B. TLS 1.1:Protocol for secure communications, not specifically for data encryption within databases.
* C. SHA-1:A hashing algorithm, not suitable for encryption (also considered broken and insecure).
* D. DES:An outdated encryption standard with known vulnerabilities.
Exact Extract from CCOA Official Review Manual, 1st Edition:
Refer to Chapter 6, Section "Encryption Standards," Subsection "Recommended Algorithms" - AES-256 is the preferred algorithm for data encryption due to its security and efficiency.
NEW QUESTION # 74
An organization's financial data was compromised and posted online. The forensics review confirms proper access rights and encryption of the database at the host site. A lack of which of the following controls MOST likely caused the exposure?
- A. Multi-factor authentication (MFA)
- B. Encryption o' data in transit
- C. Continual backups
- D. Properly configured firewall
Answer: A
Explanation:
The compromise occurred despiteencryption and proper access rights, indicating that the attacker likely gained access through compromised credentials.MFAwould mitigate this by:
* Adding a Layer of Security:Even if credentials are stolen, the attacker would also need the second factor (e.g., OTP).
* Account Compromise Prevention:Prevents unauthorized access even if username and password are known.
* Insufficient Authentication:The absence of MFA often leaves systems vulnerable to credential-based attacks.
Other options analysis:
* A. Continual backups:Addresses data loss, not unauthorized access.
* C. Encryption in transit:Encryption was already implemented.
* D. Configured firewall:Helps with network security, not authentication.
CCOA Official Review Manual, 1st Edition References:
* Chapter 7: Access Management and Authentication:Discusses the critical role of MFA in preventing unauthorized access.
* Chapter 9: Identity and Access Control:Highlights how MFA reduces the risk of data exposure.
NEW QUESTION # 75
......
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