Definition
File System Timeline Forensics is the process of reconstructing events on a computer system by analyzing the timestamps associated with files and directories. It involves examining metadata such as creation, modification, and access times to establish a chronological order of operations. This technique is crucial for understanding user activity, identifying malicious actions, and determining the sequence of events during a security incident. For instance, investigators might use timeline forensics to pinpoint when a specific malware file was first introduced to a system or when sensitive data was exfiltrated. Unlike simple file recovery, timeline forensics focuses on the temporal relationship between file system objects to build a narrative of system usage. This concept is frequently tested on cybersecurity certifications like CompTIA Security+ and CySA+.