Secure flash drives give security-conscious users a great way to transport sensitive information. The three basic approaches to securing data on a flash drive involve using software, hardware, or a combination of both. Hardware-only options include the Lok-It drive, which requires the user to enter a PIN. Imation’s Defender F200 is the hands-down winner for cool, softwareless ease of use. The larger the number of bits the encryption or decryption, the slower the decryption.”]
Source: https://www.csoonline.com/article/2126366/secure-flash-drives-that-lock-down-data.html