Data exfiltration occurs when malware and/or a malicious actor carries out an unauthorized data transfer from a computer. It is also commonly called data extrusion or data exportation. Data exfiltration is also considered a form of data theft. During the past couple of decades, a number of data exfiltration efforts severely damaged the consumer confidence, corporate valuation, and intellectual property of businesses and national security of governments across the world.
Methods of Data Exfiltration
Open Methods:
- HTTP/HTTPS Downloads & Uploads
- FTP
- Instant Messaging
- P2P filesharing
Concealed Methods:
- SSH
- VPN
- Protocol Tunneling
- Cloud Storage Uploads
- Steganography
- Timing channel
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