A Study on a Secure USB Mechanism That Prevents the Exposure of Authentication Information for Smart Human Care Services

Table 4

Classification of security technology of secure USB flash drives.

User authentication technology	Data security technology
User authentication and identification	Data encryption/decryption	Data erasure for protection after loss	Prevention of arbitrary data copying
Password	On-the-fly encryption	Tampering	Access control
Biometric authentication	Selective file encryption	Input count limitation	Management system