CompTIA CySA+
1 Threat Management
1-1 Threat Landscape
1-1 1 Identifying Threat Actors
1-1 2 Understanding Threat Vectors
1-1 3 Threat Intelligence Sources
1-1 4 Threat Intelligence Lifecycle
1-2 Threat Hunting
1-2 1 Threat Hunting Concepts
1-2 2 Threat Hunting Techniques
1-2 3 Threat Hunting Tools
1-3 Threat Modeling
1-3 1 Threat Modeling Concepts
1-3 2 Threat Modeling Techniques
1-3 3 Threat Modeling Tools
1-4 Threat Mitigation
1-4 1 Threat Mitigation Strategies
1-4 2 Threat Mitigation Techniques
1-4 3 Threat Mitigation Tools
2 Vulnerability Management
2-1 Vulnerability Identification
2-1 1 Vulnerability Scanning
2-1 2 Vulnerability Assessment
2-1 3 Vulnerability Identification Tools
2-2 Vulnerability Analysis
2-2 1 Vulnerability Analysis Techniques
2-2 2 Vulnerability Analysis Tools
2-3 Vulnerability Prioritization
2-3 1 Vulnerability Prioritization Techniques
2-3 2 Vulnerability Prioritization Tools
2-4 Vulnerability Remediation
2-4 1 Vulnerability Remediation Techniques
2-4 2 Vulnerability Remediation Tools
3 Cyber Incident Response
3-1 Incident Response Planning
3-1 1 Incident Response Plan Development
3-1 2 Incident Response Team Roles
3-1 3 Incident Response Plan Testing
3-2 Incident Detection
3-2 1 Incident Detection Techniques
3-2 2 Incident Detection Tools
3-3 Incident Analysis
3-3 1 Incident Analysis Techniques
3-3 2 Incident Analysis Tools
3-4 Incident Response
3-4 1 Incident Response Techniques
3-4 2 Incident Response Tools
3-5 Incident Recovery
3-5 1 Incident Recovery Techniques
3-5 2 Incident Recovery Tools
4 Security Architecture and Tool Sets
4-1 Security Controls
4-1 1 Security Control Types
4-1 2 Security Control Implementation
4-1 3 Security Control Monitoring
4-2 Security Tools
4-2 1 Security Tool Categories
4-2 2 Security Tool Implementation
4-2 3 Security Tool Monitoring
4-3 Security Architecture
4-3 1 Security Architecture Concepts
4-3 2 Security Architecture Design
4-3 3 Security Architecture Implementation
5 Compliance and Assessment
5-1 Compliance Requirements
5-1 1 Compliance Standards
5-1 2 Compliance Audits
5-1 3 Compliance Reporting
5-2 Assessment Techniques
5-2 1 Assessment Methodologies
5-2 2 Assessment Tools
5-2 3 Assessment Reporting
5-3 Risk Management
5-3 1 Risk Management Concepts
5-3 2 Risk Management Techniques
5-3 3 Risk Management Tools
6 Software Development Security
6-1 Secure Coding Practices
6-1 1 Secure Coding Principles
6-1 2 Secure Coding Techniques
6-1 3 Secure Coding Tools
6-2 Software Development Lifecycle
6-2 1 SDLC Phases
6-2 2 SDLC Security Practices
6-2 3 SDLC Security Tools
6-3 Software Testing
6-3 1 Software Testing Techniques
6-3 2 Software Testing Tools
6-3 3 Software Testing Security
7 Security Operations
7-1 Security Operations Concepts
7-1 1 Security Operations Roles
7-1 2 Security Operations Processes
7-1 3 Security Operations Tools
7-2 Security Monitoring
7-2 1 Security Monitoring Techniques
7-2 2 Security Monitoring Tools
7-3 Security Incident Management
7-3 1 Incident Management Techniques
7-3 2 Incident Management Tools
7-4 Security Awareness Training
7-4 1 Security Awareness Training Concepts
7-4 2 Security Awareness Training Techniques
7-4 3 Security Awareness Training Tools
Incident Analysis Explained

Incident Analysis Explained

Incident analysis is a critical process in cybersecurity that involves thoroughly investigating and understanding the nature, scope, and impact of security incidents. This process helps organizations identify the root cause, assess the damage, and develop strategies to prevent future incidents. Here, we will explore the key concepts related to incident analysis and provide detailed explanations along with examples.

Key Concepts

1. Evidence Collection

Evidence collection involves gathering all relevant data and artifacts related to the incident. This includes system logs, network traffic, user activity, and any other pertinent information. The goal is to create a comprehensive record of the incident for further analysis. For example, during a malware attack, evidence collection might involve capturing network packets, examining system logs for suspicious activities, and retrieving files that were potentially compromised.

2. Root Cause Analysis

Root cause analysis is the process of identifying the underlying reason that caused the incident. This involves a detailed examination of the collected evidence to determine how the incident occurred and why it was not prevented. Techniques such as the "5 Whys" or Fishbone diagrams can be used to systematically uncover the root cause. For instance, if a data breach occurred due to a phishing attack, the root cause analysis might reveal that employee training on phishing awareness was inadequate.

3. Impact Assessment

Impact assessment evaluates the extent of damage caused by the incident. This includes determining the financial, operational, and reputational impact on the organization. Metrics such as the number of affected systems, data loss, downtime, and regulatory penalties are considered. For example, after a ransomware attack, the impact assessment might reveal that critical systems were down for several hours, leading to significant financial losses and reputational damage.

Examples and Analogies

Consider incident analysis as investigating a crime scene. Evidence collection is like gathering fingerprints, video footage, and witness statements to build a complete picture of the crime. Root cause analysis is akin to the detective's work of deducing how the crime was committed and who the perpetrator is. Impact assessment is like evaluating the consequences of the crime, such as the emotional and financial toll on the victims and the community.

By understanding and effectively applying these concepts, organizations can conduct thorough incident analysis, enabling them to respond appropriately and prevent future incidents.