Definition
Malware analysis is the process of examining malicious software to understand its behavior, origins, and potential impact. This involves dissecting code, observing execution in controlled environments, and identifying indicators of compromise. On the job, malware analysis helps security professionals detect, respond to, and prevent cyberattacks by understanding threat actor tactics. For instance, analyzing a phishing email's attachment might reveal a new strain of ransomware designed to encrypt critical business data. Unlike simple virus scanning, malware analysis seeks to uncover the 'how' and 'why' behind an infection, not just its presence. This critical skill is frequently tested on certifications like CompTIA Security+ and CySA+.