What is Encrypted USB Drive?
A portable storage device with built-in hardware encryption that protects data even if the drive is lost or stolen.
Hardware-encrypted USB drives protect data with on-device encryption that can't be bypassed by connecting the drive to a different computer.
Hardware vs Software Encryption
- Hardware: Encryption chip on the drive itself. No software needed on the host computer. Faster, harder to attack.
- Software: Uses VeraCrypt or BitLocker. Requires software installation. More flexible but potentially vulnerable to keyloggers.
Recommended Drives
- Apricorn Aegis: Hardware encrypted, PIN-authenticated
- Kingston IronKey: FIPS 140-2 certified, tamper-evident
- iStorage datAshur: PIN-authenticated, auto-wipe after failed attempts
Features to Look For
- AES-256 hardware encryption
- PIN or biometric authentication
- Auto-wipe after N failed attempts
- FIPS 140-2/3 certification
- Tamper-evident design
Use Cases
- Transporting sensitive documents
- Air-gapped data transfer
- Backup of cryptographic keys
- Secure "dead drop" data exchange
Related Terms
Air Gap
A security measure that physically isolates a computer or network from the internet and other unsecured networks. An air-gapped system has no wired or wireless connections to the outside world, making remote hacking virtually impossible.
Encryption at Rest
Encryption applied to data stored on disks, databases, or other storage media. When data is 'at rest' (not actively being transmitted), encryption protects it from unauthorized access if storage devices are stolen or compromised.
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