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FTK Imager (also known as Exterro FTK Imager) is a popular, free, standalone digital forensics tool used primarily for creating forensic images of digital evidence and previewing data without altering the original source.
Overview
Developer: Originally developed by AccessData (now part of Exterro).
Purpose: It allows investigators, law enforcement, IT security teams, and forensic examiners to acquire, preview, and preserve digital evidence in a forensically sound manner.
Key Strength: It is completely free, lightweight, reliable, and widely trusted for evidence collection that can hold up in legal proceedings.
Main Features
Forensic Imaging:
Create bit-for-bit (exact) copies of hard drives, SSDs, USB drives, removable media, logical volumes, CDs/DVDs, and more.
Supports multiple image formats: E01 (EnCase), Raw/DD, SMART, AFF, and others.
Option for Custom Content Images (image only specific files/folders for efficiency).
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Live Acquisition:
Capture volatile RAM/memory from live systems (useful for incident response to capture running processes, malware, etc.).
Supports live imaging of running systems.
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Preview and Examination:
Browse and preview files/folders inside disk images or on physical devices without modifying the original data.
View deleted files, file metadata, directory structures, etc.
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Integrity Verification:
Automatically calculates MD5, SHA-1, and SHA-256 hash values.
Verify that the created image matches the original source.
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Export Capabilities:
Export individual files or folders from images for further analysis.
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Other Capabilities:
Data carving (recover deleted files).
Support for network shares and remote devices (in some versions).
Hash verification and reporting.
[/*]Common Use Cases
Creating court-admissible forensic duplicates of drives.
Incident response and malware analysis (via memory capture).
Data recovery and triage in investigations.
Previewing evidence before full acquisition to save time/storage.
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