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CompTIA CS0-003 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Reporting and Communication0%- Metrics and Reporting
  • 1. Security maturity models
  • 2. Security reporting
  • 3. Key metrics development
  • 4. MTTR (Mean Time to Respond/Detect)
- Communication Strategies
  • 1. Risk management communication
  • 2. Stakeholder communication
Topic 2: Vulnerability Management30%- Vulnerability Validation
  • 1. Vulnerability scanning validation
  • 2. Penetration testing verification
- Vulnerability Response and Remediation
  • 1. Risk acceptance and mitigation strategies
  • 2. Exception handling
  • 3. Remediation workflow
- Vulnerability Identification
  • 1. Asset inventory and prioritization
  • 2. False positive/negative analysis
  • 3. Vulnerability scanning tools
Topic 3: Security Operations30%- Security Monitoring
  • 1. Log types and log analysis
  • 2. SIEM (Security Information and Event Management)
  • 3. SOAR (Security Orchestration, Automation, and Response)
  • 4. Security event collection and correlation
  • 5. Data sources for security monitoring
- Security Posture Assessment
  • 1. Configuration management
  • 2. Penetration testing fundamentals
  • 3. Vulnerability scanning and analysis
- Intrusion Detection/Prevention
  • 1. Host-based IDS/IPS
  • 2. Network-based IDS/IPS
  • 3. Indicator identification
Topic 4: Incident Response20%- Digital Forensics
  • 1. Evidence collection and preservation
  • 2. Forensic imaging
  • 3. Chain of custody
- Incident Response Techniques
  • 1. Malware incident response
  • 2. Denial of service incident response
  • 3. Unauthorized access incident response
- Incident Response Process
  • 1. Containment, eradication, and recovery
  • 2. Lessons learned and post-incident activities
  • 3. Preparation and detection
Topic 5: Threat and Attack Analysis20%- Threat Intelligence
  • 1. Indicators of compromise (IOC)
  • 2. Threat intelligence frameworks (MITRE ATT&CK, STIX/TAXII)
  • 3. Threat actor identification
  • 4. Threat intelligence types and sources
- Threat Analysis Process
  • 1. Anomaly detection
  • 2. Behavioral analysis
  • 3. Traffic and activity analysis

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CompTIA Cybersecurity Analyst (CySA+) Certification Exam Sample Questions (Q407-Q412):

NEW QUESTION # 407
Which of the following describes how a CSIRT lead determines who should be communicated with and when during a security incident?

Answer: D

Explanation:
The incident response policy or plan is a document that defines the roles and responsibilities, procedures and processes, communication and escalation protocols, and reporting and documentation requirements for handling security incidents. The lead should review what is documented in the incident response policy or plan to determine who should be communicated with and when during a security incident, as well as what information should be shared and how.
The incident response policy or plan should also be aligned with the organizational policies and legal obligations regarding incident notification and disclosure.


NEW QUESTION # 408
Several vulnerability scan reports have indicated runtime errors as the code is executing. The dashboard that lists the errors has a command-line interface for developers to check for vulnerabilities. Which of the following will enable a developer to correct this issue? (Select two).

Answer: A,C

Explanation:
Reviewing the code and debugging the code are two methods that can help a developer identify and fix runtime errors in the code. Reviewing the code involves checking the syntax, logic, and structure of the code for any errors or inconsistencies. Debugging the code involves running the code in a controlled environment and using tools such as breakpoints, watches, and logs to monitor the execution and find the source of errors. Both methods can help improve the quality and security of the code.


NEW QUESTION # 409
A security operations center analyst is using the command line to display specific traffic. The analyst uses the following command:
tshark -r file.pcap -Y "http or udp"
Which of the following will the command line display?

Answer: B

Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
This command uses a Wireshark display filter (-Y) to show packets that match either HTTP or UDP:
http matches HTTP protocol traffic, which is unencrypted web traffic (i.e., not HTTPS/TLS). To view encrypted web requests (HTTPS), you would need SSL/TLS decryption support and a proper setup (keys, etc.). The All-in-One guide explicitly notes Wireshark/TShark support for SSL/TLS decryption to view encrypted traffic, implying encrypted web traffic isn't simply "http" unless decrypted and dissected accordingly.
udp matches all UDP traffic, and DNS commonly uses UDP/53, so DNS packets will be included as part of UDP traffic.
Supporting extracts from the All-in-One guide about filtering and web ports (HTTP/HTTPS) and TLS decryption capabilities:
Exact extract (All-in-One Exam Guide):
"Port filters... Example: tcp port 80 or tcp port 443"
Exact extract (All-in-One Exam Guide):
"Support for SSL/TLS decryption to view encrypted traffic"
Therefore: The filter shows unencrypted web (HTTP) traffic and UDP traffic (which includes DNS), making B the best match.


NEW QUESTION # 410
A disgruntled open-source developer has decided to sabotage a code repository with a logic bomb that will act as a wiper. Which of the following parts of the Cyber Kill Chain does this act exhibit?

Answer: C

Explanation:
Weaponization is the stage of the Cyber Kill Chain where the attacker creates or modifies a malicious payload to use against a target. In this case, the disgruntled open-source developer has created a logic bomb that will act as a wiper, which is a type of malware that destroys data on a system. This is an example of weaponization, as the developer has prepared a cyberweapon to sabotage the code repository.
Reference:
Cyber Kill Chain | Lockheed Martin, which states: "In the weaponization step, the adversary creates remote access malware weapon, such as a virus or worm, tailored to one or more vulnerabilities." The Cyber Kill Chain: The Seven Steps of a Cyberattack - EC-Council, which states: "In the weaponization stage, all of the attacker's preparatory work culminates in the creation of malware to be used against an identified target." What is the Cyber Kill Chain? Introduction Guide - CrowdStrike, which states: "Weaponization: The attacker creates a malicious payload that will be delivered to the target."


NEW QUESTION # 411
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 # 412
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