CompTIA CyberSecurity Analyst (CySA) CSO-003 Mini Deep Dive

Explore domain one security operations, analyzing system and network architecture concepts, identifying indicators of malicious activity, and applying tools, threat intelligence, and threat hunting to secure enterprise environments.

Explore system and network architecture concepts for security operations, including log files as audit tools, host security, VLANs and honeypots, cloud versus on-prem, IAM, encryption, sensitive data, and compliance basics.

Explore time synchronization with the network time protocol on UDP 123, aggregate logs across systems using SIEM tools like Splunk and LogRhythm, and interpret logging levels to detect breaches.

Learn host and OS hardening to reduce attack surface, covering Windows registry, config files, file permissions, encryption, and access controls with baseline configs and auditing.

Explore virtualization foundations, hypervisors, and containers. Assess common vulnerabilities like virtual machine hopping, virtual machine jacking, container risks, application programming interfaces, plus serverless security and secure design challenges.

Explore cloud segmentation options and zero trust principles, compare physical and logical segmentation, and learn how secure access edge, VPNs, VPCs, firewalls, and SD-WAN shape modern network architectures.

Explore software defined networking (SDN) as a virtualized, centrally managed, and scalable architecture. Learn about its layers—application, programming, and control—micro-segmentation, and zero-trust policies for granular, secure data center connectivity.

Explore secure cloud and on-prem networking through a whiteboard discussion of VPNs, bastion hosts, NAT, VPCs, and firewall rules, then examine SaaS, zero trust, and traffic inspection.

Explore cloud identity and access management with a hands-on AWS IAM demonstration. Learn how to create users, groups, roles, and policies, enable MFA, and analyze permissions with Access Analyzer.

Master identity and access management essentials, including federation, transitive trust, and single sign-on with protocols like SAML and OpenID, plus mfa, pam, and casb for cloud and on-premises.

Understand encryption concepts, including symmetric and asymmetric methods, non-repudiation, PKI and digital signatures, and apply them to disk encryption and secure web traffic.

Define pii, pci cardholder data, and hipaa protections, and explain data loss prevention, masking, obfuscation, anonymization, and data states with preventive and detective controls.

Explore indicators of malicious activity by examining network attacks, including APTs and man-in-the-middle threats, plus host and application attacks. Learn to identify social engineering tactics and resolve them.

Identify secure network design concepts and common attacks, from zero trust to lateral movement, and learn mitigation using NetFlow, endpoint protection, and access control.

Identify host attacks by analyzing memory contents, file system exploits, and unauthorized software or privileges. Detect data exfiltration and rogue processes using memory forensics, hashing, auditing, Tripwire, IDS, and DLP.

Explore application related attacks, emphasizing api security, software flaws, and the two main threats—application injections and cross-site scripting—with testing approaches like static, dynamic, interactive, and source composition analysis.

Identify social engineering attacks such as phishing, whaling, and baiting, and understand obfuscation techniques that disguise URLs. Avoid them by validating domains, spotting misspellings, and using antivirus and password managers.

Explore tools and techniques to determine malicious activity, including Wireshark for network traffic, DLP systems for PII data, SIM tools, saw tools, log analysis, and JSON considerations for the exam.

Identify common tools for detecting malicious activity, including packet capture with tcpdump, log analysis, endpoint security, DNS tools, file analysis, and sandboxing.

Identify common techniques for distinguishing malicious activity using pattern recognition and audit logs, and outline email analysis options with DKIM, SPF, hashing, masking, tokenization, and impersonation prevention.

Identify and compare JSON, XML, Python, shell scripts, regular expressions, and PowerShell to determine data versus document focus, usage, and basic security differences.

Explore threat intelligence and threat hunting to identify threat actors, their tactics and procedures, collection methods, assess confidence levels, and deploy active defense and a honeypot to contain threats.

Define threat actors and classify types, including script kitty, nation-state APTs, hacktivists, and insiders, and explain detection and defense through logs, auditing, MFA, and DLP.

Explore tactics, techniques and procedures (TTP) and threat actor behaviors from reconnaissance to objectives, with detection and remediation strategies guided by MITRE ATT&CK and by threat vectors like port scans.

Understand indicators of compromise and evidence like logs and suspicious activity, and learn how threat intelligence feeds score confidence levels on a 0 to 100 scale to prioritize cyber investigations.

Explore diverse threat collection sources and methods, including threat intelligence feeds, and how data from government agencies, CERT, vendors, blogs, and social media feed into a SIM.

Identify threats from internal and external sources and implement controls and countermeasures. Explore threat intelligence goals, the treacherous 12, and automated threat response as part of the incident-preparation phase.

Explore incident response teams, including cert, us-cert, and c-cert, their roles in cyber security incidents and trademark considerations tied to Carnegie Mellon University’s cert program.

Explore security operations, focusing on standardized operational processes and resources like the incident handling guide, and tools such as a SIM or SA, ending with a module review.

Explore standardized processes and operations for cybersecurity teams, compare siem and soar, explain stix language, and cover incident response lifecycle phases, stakeholders, threat feeds, and data enrichment use cases.

Explore security operations tools and tool sets—SIEMs, SOARs, monitoring tools, APIs, webhooks, and plugins—and the single pane of the glass for holistic visibility.

Review logging levels and severity, time synchronization with network time protocol, host and os hardening, vm hopping, encryption, threat intel, ttp, obfuscation, indicators of compromise and indicators of attack.

Explore vulnerability discovery and scanning, learn best practices and tools, and understand why CVS and CVS are important, along with resources and incident response for vulnerabilities.

Explore vulnerability discovery and scanning, focusing on asset discovery and scanning, industry frameworks, and strategies for mitigating attacks.

Explore asset discovery and scanning using map scans to identify devices by Mac addresses and fingerprinting tools, while planning scheduled scans with operations and networks, and reviewing Nessus and Openvas.

This lesson covers PCI DSS for cardholder data protection, CIS benchmarks for baseline security, OWASP top ten and ASVS for web app risk, and ISO/IEC 27001 controls.

Identify vulnerabilities from flawed design, such as sensitive information exposure, misconfiguration, and injections including server-side request forgery and broken authentication, mitigate with logging, patching, and zero trust controls.

Explore CVSS and CVE concepts by detailing the interpretation and scoring process, surveying CVSS databases, and examining cross-site scripting in detail.

Master CVSS interpretation to prioritize vulnerability remediation and manage alert fatigue. Understand CIA triad implications, asset inventory, and vulnerability assessment for effective risk management.

Identify what a CV is and examine CVE databases such as NVD, Vol DB, and CVE details to prioritize vulnerabilities using CVSS scores and SCAP.

Learn about cross-site scripting (XSS), including reflected, stored, and DOM XSS, and how unsanitized input and responses enable browser hijacking and cookie theft. Discover CSRF token-based prevention and scanner-based detection.

Explore vulnerability response handling and management, including compensating controls, patching, configurations, patch level verification, threat modeling, attack surface management, and secure coding within the software development life cycle.

Explore compensating controls, defense in depth, and zero trust, referencing SP 853 control families such as access control and training, while identifying host and OS controls and preventative measures.

Learn how patching reduces security risks by inventorying assets, applying updates, and managing configurations through security configuration management, baselining, change control, and monitoring.

Evaluate the attack surface by identifying open ports and entry points with tools like nmap, netstat, or Wireshark, and reduce risk through zero trust and network segmentation.

Learn threat modeling as a risk-based process to identify assets, threats, and vulnerabilities, evaluate the attack surface, and apply six-step methods with security controls through collaborative sessions.

Learn how threat models secure development by testing systems and identifying threats before they occur. Compare STRIDE, PASTA, VAST, TRIKE, and OCTAVE, with tools like OWASP Threat Dragon and Mtmt.

Learn the software development life cycle and how secure coding integrates security from requirements to deployment. Explore threat modeling, security design, and compliance testing with CERT and OWASP guidance.

Review asset discovery and vulnerability management, including false positives and false negatives, and explore common frameworks like ISO, PCI, and OWASP, along with threat modeling and defense in depth.

Explore attack methodology frameworks and master incident response and post-response in module four of the CySA course, equipping you to manage incidents effectively from detection to recovery.

Explore attack methodology frameworks, starting with the cyber kill chain, and identify the key frameworks every defender should know.

Identify the cyber kill chain framework and its eight phases from reconnaissance to exfiltration. Learn how Lockheed Martin's model helps track attacker tactics, techniques, and procedures for detection and prevention.

Explore the diamond model of intrusion analysis and the meter attack framework to map adversary activity and compare with the cyber kill chain and OWASP top ten.

Explore incident response workflows, including detection and analysis, containment and eradication, recovery after an incident, post incident activities, and post response.

Explore detection and analysis within the incident response lifecycle, covering evidence acquisition, chain of custody, logs, baselines and baseline drift, and fundamentals of forensics.

Explore the containment, eradication and recovery phase (phase three) of incident response, detailing actions to prevent spread, eradicate threats, restore operations, with central, distributed and coordinated teams.

Describe post-incident practices and the post-incident review, including scope, objectives, timeline, participants, remediation steps, documenting lessons learned, compensating controls, and potential legal action to evaluate response performance.

Move through the cyber kill chain framework and the diamond model to map adversary activity, and apply evidence acquisition, chain of custody, non-repudiation, containment, eradication, recovery, and post-incident review.

Explore reporting vulnerabilities and incident response reporting and communications within domain 4.0 reporting and communication. Develop skills to clearly convey security findings through focused reporting and communications.

Explore vulnerability reporting and compliance reports. Identify inhibitors for remediation and examine metrics and KPIs.

Learn to report vulnerabilities by identifying affected hosts, assessing risk with CVS scores, and documenting attack scope, remediation timelines, and KPIs for security operations.

Explore compliance requirements and the role of PCI DSS in cybersecurity auditing and scanning. Learn how organizations ensure regulatory adherence and protect payment card data.

Identify inhibitors to remediation, including MOUs, SLAs, and baselines with KPIs defined by SMART criteria, that can delay vulnerability remediation.

Identify what a KPI is and how it uses metrics to measure performance, including uptime, utilization, and response time, and explain SLO, SLA, and SLI relationships.

Explore incident response reporting and communications by detailing detection and analysis, containment, eradication, and recovery, plus post-incident activities and module review.

Declare incidents to notify stakeholders with documentation and channels like Slack or email, led by the CERT team, then follow the incident handling guide through detection, escalation, containment, and recovery.

Identify and communicate with stakeholders, including executives and technical leads, using a concise executive summary that outlines what happened, why it matters, risks, and resolution.

Learn to identify why an incident occurred and prevent recurrence through a six-step root cause analysis: define risk and vulnerability, causes, root cause, solutions, validation, and lessons learned.

Understand incident closure as the final step of the response process and the core of lessons learned. Identify root causes, prevent recurrence, and answer what happened and how it happened.

Review Nysed risk score (0 to 10) and inhibitors to remediation; see how threat intelligence informs vulnerability awareness, incident handling phases, lessons learned, root cause analysis, and kpi.

Navigate the course closeout by tackling practice questions, reviewing the exam process, and planning continuing education to complete the CompTIA CySA CSO-003 mini deep dive.

Work through practice questions on attack trees, early security design in the SDLC, security architecture considerations, incident handling phases, root cause analysis, OS hardening, and injection vulnerabilities.

Sign up for a CompTIA account to obtain your CompTIA ID and voucher, then book the exam with Pearson, bring two IDs, and aim for a 750 score.

Maintain your CySA certification for three years by completing 60 CEUs annually, paying a $50 yearly fee (renewal $150), and renewing for another three years, as required for federal roles.

Celebrate completing the course and wish you success on the exam and in your career and life, while inviting you to reach out for assistance.

Identify common security tasks for a CSA, from policy setup and monitoring to log analysis, audit management, and data loss prevention. Explore patch management, baselines, configurations, and vulnerability assessments.

Explore firewalls and proxies, including packet-filter and proxy-based firewalls, their rule sets, implicit deny, and deployment on edge networks or hosts, plus firewalking of layer four protocols and logging practices.

Develop a focused prep strategy for the CySA exam, reviewing Security+ and Network+ basics, hands-on IDS tools, and key tools like Snort, Wireshark, Splunk, Nagios, Zeek, and Nmap, plus federal frameworks.

Compare IDs and IPS methods, exploring signature based, behavior based, and anomaly based detections, with tools like Snort, Cisco Sourcefire, Zeek, and regex, and note encryption evasion and false positives.

Explore test tips for the CySA exam, covering kill chain flow, Nmap, social reconnaissance, Google hacking, and how security controls function as preventative, detective, or deterring measures.

Practice questions test your CySA knowledge with static analysis, code review, and attack trees, reinforcing security early in the software development life cycle with OS hardening and Nest controls.