Definition
Graph analysis is a method for examining relationships and connections between entities in a network or dataset. It visualizes data as nodes (entities) and edges (relationships) to uncover patterns, dependencies, and anomalies that might be hidden in traditional tabular data. This approach is crucial for understanding complex systems, identifying critical points of failure, and optimizing network performance. For instance, cybersecurity professionals use graph analysis to detect sophisticated threat actor movements by mapping compromised systems and their communication pathways. Unlike simple network diagrams, graph analysis focuses on the dynamic interactions and flow of information rather than static structures. This concept is frequently tested in domains like cybersecurity, particularly in certifications such as CompTIA CySA+ and PenTest+.