During a forensic investigation of a potential data breach, the investigator needs to analyze mobile device artifacts. Which of the following would contain the MOST valuable information regarding a user's communication activities on the device?
SQLite databases
System log files
Memory dumps
File system snapshots
SQLite databases are the primary storage mechanism for many mobile applications, especially on iOS and Android platforms. They contain structured data including chat messages, call logs, contact information, and other communication records. These databases provide investigators with rich contextual information about user communications, including timestamps, message content, and metadata.
Log files contain system events and application activities but are less focused on communications specifically. Memory dumps can capture current state information but may not have historical communication data. File system snapshots would show files on the device but wouldn't provide the organized, relational data about communications that SQLite databases offer.
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