Definition
Evidence and interviews are critical components of information security investigations and incident response. They involve the systematic collection, preservation, and analysis of digital and physical artifacts, alongside structured conversations with individuals who may possess relevant information. This process helps to establish a factual basis for understanding security events, identifying root causes, and determining accountability. For instance, examining server logs and interviewing system administrators can reveal unauthorized access patterns. A common point of confusion is conflating evidence collection with mere data backup, as evidence requires strict chain of custody and forensic integrity. Understanding these concepts is vital for domains like incident response and digital forensics, appearing in certifications such as CompTIA CySA+ and PenTest+.