CompTIA CS0-001 : CompTIA Cybersecurity Analyst (CySA+) Certification Exam

  • Exam Code: CS0-001
  • Exam Name: CompTIA Cybersecurity Analyst (CySA+) Certification Exam
  • Updated: Aug 17, 2026
  • Q & A: 458 Questions and Answers

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About CompTIA CS0-001 Exam

CompTIA CS0-001 Exam Syllabus Topics:

TopicDetails
Threat Management 27%
Given a scenario, apply environmental reconnaissance techniques using appropriate tools and processes.1.Procedures/common tasks
  • Topology discovery
  • OS fingerprinting
  • Service discovery
  • Packet capture
  • Log review
  • Router/firewallACLsreview
  • Email harvesting
  • Social media profiling
  • Social engineering
  • DNS harvesting
  • Phishing
2. Variables
  • Wireless vs. wired
  • Virtual vs. physical
  • Internal vs. external
  • On-premises vs. cloud
3.Tools
  • NMAP
  • Host scanning
  • Network mapping
  • NETSTAT
  • Packet analyzer
  • IDS/IPS
  • HIDS/NIDS
  • Firewall rule-based and logs
  • Syslog
  • Vulnerability scanner

Given a scenario, analyze the results of a network reconnaissance.1.Point-in-time data analysis
  • Packet analysis
  • Protocol analysis
  • Traffic analysis
  • Netflowanalysis
  • Wireless analysis
2.Data correlation and analytics
  • Anomaly analysis
  • Trend analysis
  • Availability analysis
  • Heuristic analysis
  • Behavioral analysis
3.Data output
  • Firewall logs
  • Packet captures
  • NMAPscan results
  • Event logs
  • Syslogs
  • IDS report
4.Tools
  • SIEM
  • Packet analyzer
  • IDS
  • Resource monitoring tool
  • Netflowanalyzer


Given a network-based threat, implement or recommend the appropriate response and countermeasure.1.Network segmentation
  • System isolation
  • Jump box

2.Honeypot
3.Endpoint security
4.Group policies
5.ACLs

  • Sinkhole

6.Hardening

  • Mandatory Access Control (MAC)
  • Compensating controls
  • Blocking unused ports/services
  • Patching

7.Network Access Control (NAC)

  • Time-based
  • Rule-based
  • Role-based
  • Location-based
Explain the purpose of practices used to secure a corporate environment.1.Penetration testing
  • Rules of engagement
  • Timing
  • Scope
  • Authorization
  • Exploitation
  • Communication
  • Reporting
2.Reverse engineering
  • Isolation/sandboxing
  • Hardware
  • Source authenticity of hardware
  • Trusted foundry
  • OEM documentation
  • Software/malware
  • Fingerprinting/hashing
  • Decomposition
3.Training and exercises
  • Red team
  • Blue team
  • White team
4.Risk evaluation
  • Technical control review
  • Operational control review
  • Technical impact and likelihood
  • High
  • Medium
  • Low


Vulnerability Management 26%
Given a scenario, implement an information security vulnerability management process.1.Identification of requirements
  • Regulatory environments
  • Corporate policy
  • Data classification
  • Asset inventory
  • Critical
  • Non-critical
2.Establish scanning frequency
  • Risk appetite
  • Regulatory requirements
  • Technical constraints
  • Workflow
3. Configure tools to perform scans according to specification
  • Determine scanning criteria
  • Sensitivity levels
  • Vulnerability feed
  • Scope
  • Credentialed vs. non-credentialed
  • Types of data
  • Server-based vs. agent-based
  • Tool updates/plug-ins
  • SCAP
  • Permissions and access
4.Execute scanning
5.Generate reports
  • Automated vs. manual distribution

6.Remediation

  • Prioritizing
  • Criticality
  • Difficulty of implementation
  • Communication/change control
  • Sandboxing/testing
  • Inhibitors to remediation
  • MOUs
  • SLAs
  • Organizational governance
  • Business process interruption
  • Degrading functionality
7. Ongoing scanning and continuous monitoring


Given a scenario, analyze the output resulting from a vulnerability scan.1.Analyze reports from a vulnerability scan
  • Review and interpret scan results
  • Identify false positives
  • Identify exceptions
  • Prioritize response actions
2. Validate results and correlate other data points
  • Compare to best practices or compliance
  • Reconcile results
  • Review related logs and/ or other data sources
  • Determine trends
Compare and contrast common vulnerabilities found in the following targets within an organization.1.Servers
2.Endpoints
3.Network infrastructure
4.Network appliances
5.Virtual infrastructure
  • Virtual hosts
  • Virtual networks
  • Management interface
6.Mobile devices
7. Interconnected networks
8.Virtual Private Networks (VPNs)
9.Industrial Control Systems (ICSs)
10.SCADA devices
Cyber Incident Response 23%
Given a scenario, distinguish threat data or behavior to determine the impact of an incident.1.Threat classification
  • Known threats vs. unknown threats
  • Zero day
  • Advanced persistent threat
2. Factors contributing to incident severity and prioritization
  • Scope of impact
  • Downtime
  • Recovery time
  • Data integrity
  • Economic
  • System process criticality
  • Types of data
  • Personally Identifiable
  • Information (PII)
  • Personal Health Information (PHI)
  • Payment card information
  • Intellectual property
  • Corporate confidential
  • Accounting data
  • Mergers and acquisitions
Given a scenario, prepare a toolkit and use appropriate forensics tools during an investigation.1.Forensics kit
  • Digital forensics workstation
  • Write blockers
  • Cables
  • Drive adapters
  • Wiped removable media
  • Cameras
  • Crime tape
  • Tamper-proof seals
  • Documentation/forms
  • Chain of custody form
  • Incident response plan
  • Incident form
  • Call list/escalation list
2. Forensic investigation suite
  • Imaging utilities
  • Analysis utilities
  • Chain of custody
  • Hashing utilities
  • OS and process analysis
  • Mobile device forensics
  • Password crackers
  • Cryptography tools
  • Log viewers
Explain the importance of communication during the incident response process.1.Stakeholders
  • HR
  • Legal
  • Marketing
  • Management
2.Purpose of communication processes
  • Limit communication to trusted parties
  • Disclosure based on regulatory/ legislative requirements
  • Prevent inadvertent release of information
  • Secure method of communication
3.Role-based responsibilities
  • Technical
  • Management
  • Law enforcement
  • Retain incident response provider

Given a scenario, analyze common symptoms to select the best course of action to support incident response.1.Common network-related symptoms
  • Bandwidth consumption
  • Beaconing
  • Irregular peer-to-peer communication
  • Rogue devices on the network
  • Scan sweeps
  • Unusual traffic spikes
2.Common host-related symptoms
  • Processor consumption
  • Memory consumption
  • Drive capacity consumption
  • Unauthorized software
  • Malicious processes
  • Unauthorized changes
  • Unauthorized privileges
  • Data exfiltration
​3.Common application-related symptoms
  • Anomalous activity
  • Introduction of new accounts
  • Unexpected output
  • Unexpected outbound communication
  • Service interruption
  • Memory overflows

Summarize the incident recovery and post-incident response process.1.Containment techniques
  • Segmentation
  • Isolation
  • Removal
  • Reverse engineering
2.Eradication techniques
  • Sanitization
  • Reconstruction/reimage
  • Secure disposal
3.Validation
  • Patching
  • Permissions
  • Scanning
  • Verify logging/communication to security monitoring
4.Corrective actions
  • Lessons learned report
  • Change control process
  • Update incident response plan
5.Incident summary report


Security Architecture and Tool Sets 24%
Explain the relationship between frameworks, common policies, controls, and procedures.1.Regulatory compliance
2.Frameworks
  • NIST
  • ISO
  • COBIT
  • SABSA
  • TOGAF
  • ITIL
​3.Policies
  • Password policy
  • Acceptable use policy
  • Data ownership policy
  • Data retention policy
  • Account management policy
  • Data classification policy
4.Controls
  • Control selection based on criteria
  • Organizationally defined parameters
  • Physical controls
  • Logical controls
  • Administrative controls
5.Procedures
  • Continuous monitoring
  • Evidence production
  • Patching
  • Compensating control development
  • Control testing procedures
  • Manage exceptions
  • Remediation plans
6.Verifications and quality control
  • Audits
  • Evaluations
  • Assessments
  • Maturity model
  • Certification



Given a scenario, use data to recommend remediation of security issues related to identity and access management.1. Security issues associated with context-based authentication
  • Time
  • Location
  • Frequency
  • Behavioral
2. Security issues associated with identities
  • Personnel
  • Endpoints
  • Servers
  • Services
  • Roles
  • Applications
3. Security issues associated with identity repositories
  • Directory services
  • TACACS+
  • RADIUS
4. Security issues associated with federation and single sign-on
  • Manual vs. automatic provisioning/deprovisioning
  • Self-service password reset
5.Exploits
  • Impersonation
  • Man-in-the-middle
  • Session hijack
  • Cross-site scripting
  • Privilege escalation
  • Rootkit



Given a scenario, review security architecture and make recommendations to implement compensating controls.1.Security data analytics
  • Data aggregation and correlation
  • Trend analysis
  • Historical analysis
2.Manual review
  • Firewall log
  • Syslogs
  • Authentication logs
  • Event logs
3.Defense in depth
  • Personnel
    Training
    Dual control
    Separation of duties
    Third party/consultants
    Cross training
    Mandatory vacation
    Succession planning
  • Processes
    Continual improvement
    Scheduled reviews
    Retirement of processes
  • Technologies
    Automated reporting
    Security appliances
    Security suites
    Outsourcing
    -Security as a Service
    Cryptography
  • Other security concepts
    Network design
    Network segmentation

Given a scenario, use application security best practices while participating in the Software Development Life Cycle (SDLC).1.Best practices duringsoftware development
  • Security requirements definition
  • Security testing phases
    Static code analysis
    Web app vulnerability scanning
    Fuzzing
    Use interception proxy to crawl application
  • Manual peer reviews
  • User acceptance testing
  • Stress test application
  • Security regression testing
  • Input validation
2.Secure coding best practices
  • OWASP
  • SANS
    Center for Internet Security
    -System design recommendations
    -Benchmarks
Compare and contrast the general purpose and reasons for using various cybersecurity tools and technologies.1.Preventative
  • IPS
    Sourcefire
    Snort
    Bro
  • HIPS
  • Firewall
    Cisco
    Palo Alto
    Check Point
  • Antivirus
  • Anti-malware
  • EMET
  • Web proxy
  • Web Application Firewall (WAF)
    ModSecurity
    NAXSI
    Imperva
​2.Collective
  • SIEM
    ArcSight
    QRadar
    Splunk
    AlienVault
    OSSIM
    Kiwi Syslog
  • Network scanning
    NMAP
  • Vulnerability scanning
    Qualys
    Nessus
    OpenVAS
    Nexpose
    Nikto
    Microsoft Baseline Security Analyzer
  • Packet capture
    Wireshark
    tcpdump
    Network General
    Aircrack-ng
  • Command line/IP utilities
    netstat
    ping
    tracert/traceroute
    ipconfig/ifconfig
    nslookup/dig
    Sysinternals
    OpenSSL
  • IDS/HIDS
    Bro
3.Analytical
  • Vulnerability scanning
    Qualys
    Nessus
    OpenVAS
    Nexpose
    Nikto
    Microsoft Baseline Security Analyzer
  • Monitoring tools
    MRTG
    Nagios
    SolarWinds
    Cacti
    NetFlow Analyzer
  • Interception proxy
    Burp Suite
    Zap
    Vega
4.Exploit
  • Interception proxy
    Burp Suite
    Zap
    Vega
  • Exploit framework
    Metasploit
    Nexpose
  • Fuzzers
    Untidy
    Peach Fuzzer
    Microsoft SDL File/Regex Fuzzer
​5.Forensics
  • Forensic suites
    EnCase
    FTK
    Helix
    Sysinternals
    Cellebrite
  • Hashing
    MD5sum
    SHAsum
  • Password cracking
    John the Ripper
    Cain & Abel
  • Imaging
    DD



Reference: https://certification.comptia.org/certifications/cybersecurity-analyst#examdetails

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Our CS0-001 exam dumps will include those topics:

  • Security Architecture and Tool Sets: 24%
  • Cyber Incident Response: 23%
  • Vulnerability Management: 26%
  • Threat Management: 27%

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