Kingston IronKey Vault Privacy 50 Series FIPS 197 Certified & XTS-AES 256-bit Encrypted USB Drive for Data Protection Kingston IronKey™ Vault Privacy 50 series are premium USB drives that provide business-grade security with FIPS 197 certified AES 256-bit hardware-encryption in XTS mode, including safeguards against BadUSB with digitally-signed firmware and against Brute Force password attacks. VP50 series is also TAA compliant. Because it is encrypted storage under the user’s physical control, VP50 series are superior to using the internet and Cloud services to safeguard data.