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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Security Operations | 33% | - Security monitoring concepts and tools
|
| Topic 2: Reporting and Communication | 17% | - Security awareness and training
|
| Topic 3: Incident Response Management | 20% | - Digital forensics basics
|
| Topic 4: Vulnerability Management | 30% | - Risk assessment and mitigation
|
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NEW QUESTION # 231
A security analyst is reviewing a firewall usage report that contains traffic generated over the last
30 minutes in order to locate unusual traffic patterns:
Which of the following source IP addresses does the analyst need to investigate further?
Answer: A
NEW QUESTION # 232
A security analyst is handling vulnerability management tasks and reviewing the following output from Recon-ng's Shodan-IP module:
Which of the following are the greatest vulnerabilities? (Choose two.)
Answer: B,E
Explanation:
The output reveals sensitive systems such as a domain controller, VPN server, HR database, and payroll server. Exposing these systems to the WAN increases the attack surface and makes critical infrastructure directly discoverable by external attackers.
The systems are also located within the same subnet range (177.511.10.x), indicating that critical data and sensitive services are concentrated on the same network segment. This can facilitate lateral movement and increase the impact of a compromise.
NEW QUESTION # 233
A security analyst is reviewing events that occurred during a possible compromise. The analyst obtains the following log:
Which of the following is most likely occurring, based on the events in the log?
Answer: C
Explanation:
1. Analyze the Log Evidence: The log displays a specific sequence of rapid-fire events (within 18 seconds) characteristic of automated reconnaissance tools used to map Active Directory environments.
* 20:06:05 (LDAP Reads): The attacker queries the directory for high-value groups (Domain Admins) and critical infrastructure (Domain Servers). They are not trying to log in; they are reading the membership lists to see who is important and where the servers are.
* 20:06:09 (EDR Enumeration): The attacker checks the local Administrators group. This is to see if the current compromised user has admin rights or who does.
* 20:06:23 (SMB Connections): The host PC021 attempts to connect to multiple other hosts. This indicates the attacker is testing where they can move laterally using the credentials or access they currently have.
2. Why this is " Finding the Shortest Path " (Option A): This behavior is the textbook signature of tools like BloodHound (or its data collector, SharpHound).
* Concept: Adversaries use these tools to visualize relationships in Active Directory. They query LDAP to find out: " I am User A. Which computers can I access? Who is a Domain Admin? Is a Domain Admin logged into a computer I can access? "
* Goal: The tool calculates the mathematical " shortest path " (graph theory) from the attacker ' s current low-level foothold to the ultimate target (Domain Admin).
* The combination of LDAP querying (mapping the graph) and SMB connection attempts (verifying sessions/local admin rights) confirms the adversary is mapping out the network to find the most efficient route to total compromise.
Why the other options are incorrect:
* B. An adversary is performing a vulnerability scan: Vulnerability scanners (like Nessus or Qualys) typically probe ports and services to identify unpatched software (CVEs). They generally do not focus on querying LDAP for " Domain Admins " group membership as their primary action.
* C. An adversary is escalating privileges: While the attacker intends to escalate privileges eventually, the logs show enumeration (Discovery phase). They are currently looking for the path to escalate, not actively exploiting a vulnerability (like a kernel exploit) to change their privilege level in this specific snapshot.
* D. An adversary is performing a password stuffing attack: Password stuffing involves high volumes of failed authentication attempts against a login service. The logs here show read operations and connection attempts, not the " Invalid Credential " errors associated with stuffing.
NEW QUESTION # 234
A software developer has been deploying web applications with common security risks to include insufficient logging capabilities. Which of the following actions would be most effective to reduce risks associated with the application development?
Answer: B
Explanation:
Conducting regular code reviews using OWASP best practices is the most effective action to reduce risks associated with the application development. Code reviews are a systematic examination of the source code of an application to detect and fix errors, vulnerabilities, and weaknesses that may compromise the security, functionality, or performance of the application. Code reviews can help to improve the quality and security of the code, as well as to identify and remediate common security risks, such as insufficient logging capabilities. OWASP (Open Web Application Security Project) is a global nonprofit organization that provides free and open resources, tools, standards, and best practices for web application security. OWASP best practices for logging include following a common logging format and approach, logging relevant security events and data, protecting log data from unauthorized access or modification, and using log analysis and monitoring tools to detect and respond to security incidents. By following OWASP best practices for logging, developers can ensure that their web applications have sufficient and effective logging capabilities that can help to prevent, detect, and mitigate security threats.
NEW QUESTION # 235
Which of the following best describes root cause analysis ?
Answer: D
Explanation:
Root cause analysis (RCA) is a post-incident activity focused on identifying the underlying cause of an incident/problem so the organization can fix the real cause (not just symptoms) and prevent recurrence .
That matches Option B , which describes tracing the origin and eliminating it permanently.
The Sybex CySA+ Study Guide defines RCA in exactly this way:
Exact extract (Sybex Study Guide):
"The process of root cause analysis (RCA) is used to identify why a problem, incident, or issue occurred.
Root cause analysis is performed to allow organizations to understand what they need to focus on to prevent future problems..." The Secbay Press guide also defines RCA as uncovering underlying causes to prevent recurrence:
Exact extract (Secbay Press):
"Root Cause Analysis (RCA)... is a systematic investigation process aimed at identifying the fundamental factors that led to a security incident. It goes beyond addressing symptoms and seeks to uncover the underlying causes to prevent recurrence." Why the other options are wrong
* A (TTPs): That describes attacker behavior frameworks (e.g., MITRE ATT & CK), not RCA.
* C (who/what/when/where/why): That's an incident reporting structure, not the RCA process.
* D (ongoing activities report): That resembles status reporting/incident updates, not root cause determination.
References (CompTIA CySA+ CS0-003 documents / study guides used):
* Mike Chapple & David Seidl, CompTIA CySA+ Study Guide (CS0-003) : RCA identifies why an incident occurred and helps prevent recurrence
* Secbay Press, CompTIA CySA+ Exam Prep Guide (CS0-003) : RCA goes beyond symptoms to uncover underlying causes and prevent recurrence
* Secbay Press, CompTIA CySA+ Exam Prep Guide (CS0-003) : "who/what/when/where/why" belongs to incident reporting context
NEW QUESTION # 236
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