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A flash drive is a data storage device that includes flash memory with an integrated USB interface. A typical USB drive is removable, rewritable, and smaller than an optical disc, and usually weighs less than 30 g (1 oz). Since first offered for sale in late 2000, the storage capacities of USB drives range from 8 megabytes to 256 gigabytes (GB), 512 GB and 1 terabyte (TB). As of 2023, 2 TB flash drives were the largest currently in production. Some allow up to 100,000 write/erase cycles, depending on the exact type of memory chip used, and are thought to physically last between 10 and 100 years under normal circumstances.
FileVault is a disk encryption program in Mac OS X 10.3 Panther (2003) and later. It performs on-the-fly encryption with volumes on Mac computers.
The Encrypting File System (EFS) on Microsoft Windows is a feature introduced in version 3.0 of NTFS that provides filesystem-level encryption. The technology enables files to be transparently encrypted to protect confidential data from attackers with physical access to the computer.
Disk encryption software is a computer security software that protects the confidentiality of data stored on computer media by using disk encryption.
U3 was a joint venture between SanDisk and M-Systems, producing a proprietary method of launching Windows software from special USB flash drives. Flash drives adhering to the U3 specification are termed "U3 smart drives". U3 smart drives come preinstalled with the U3 Launchpad. Applications that comply with U3 specifications are allowed to write files or registry information to the host computer, but they must remove this information when the flash drive is ejected. Customizations and settings are instead stored with the application on the flash drive.
BitLocker is a full volume encryption feature included with Microsoft Windows versions starting with Windows Vista. It is designed to protect data by providing encryption for entire volumes. By default, it uses the Advanced Encryption Standard (AES) algorithm in cipher block chaining (CBC) or "xor–encrypt–xor (XEX)-based Tweaked codebook mode with ciphertext Stealing" (XTS) mode with a 128-bit or 256-bit key. CBC is not used over the whole disk; it is applied to each individual sector.
EncFS is a Free (LGPL) FUSE-based cryptographic filesystem. It transparently encrypts files, using an arbitrary directory as storage for the encrypted files.
Disk encryption is a technology which protects information by converting it into code that cannot be deciphered easily by unauthorized people or processes. Disk encryption uses disk encryption software or hardware to encrypt every bit of data that goes on a disk or disk volume. It is used to prevent unauthorized access to data storage.
There are a number of security and safety features new to Windows Vista, most of which are not available in any prior Microsoft Windows operating system release.
This is a technical feature comparison of different disk encryption software.
Private Disk is a disk encryption application for the Microsoft Windows operating system, developed by Dekart SRL. It works by creating a virtual drive, the contents of which is encrypted on-the-fly; other software can use the drive as if it were a usual one.
In computer security, a cold boot attack is a type of side channel attack in which an attacker with physical access to a computer performs a memory dump of a computer's random-access memory (RAM) by performing a hard reset of the target machine. Typically, cold boot attacks are used for retrieving encryption keys from a running operating system for malicious or criminal investigative reasons. The attack relies on the data remanence property of DRAM and SRAM to retrieve memory contents that remain readable in the seconds to minutes following a power switch-off.
Hardware-based full disk encryption (FDE) is available from many hard disk drive (HDD/SSD) vendors, including: Hitachi, Integral Memory, iStorage Limited, Micron, Seagate Technology, Samsung, Toshiba, Viasat UK, Western Digital. The symmetric encryption key is maintained independently from the computer's CPU, thus allowing the complete data store to be encrypted and removing computer memory as a potential attack vector.
Data erasure is a software-based method of data sanitization that aims to completely destroy all electronic data residing on a hard disk drive or other digital media by overwriting data onto all sectors of the device in an irreversible process. By overwriting the data on the storage device, the data is rendered irrecoverable.
This is a comparison of online backup services.
Secure USB flash drives protect the data stored on them from access by unauthorized users. USB flash drive products have been on the market since 2000, and their use is increasing exponentially. As businesses have increased demand for these drives, manufacturers are producing faster devices with greater data storage capacities.
IronKey is the brand name of a family of encrypted USB portable storage devices owned by Kingston Digital, the flash memory affiliate of Kingston Technology Company, Inc.
Dmailer was a French company which specialized in portable backup and synchronization software for devices, including USB flash drives, memory cards, external hard disk drives, MP3 players, embedded phone memories, SIM cards and flash-based memory cards for mobile phones.
This is a technical feature comparison of commercial encrypted external drives.
Check Point GO is a USB drive that combines an encrypted USB flash drive with virtualization, VPN and computer security technologies to turn a PC into a secure corporate desktop. By plugging Check Point GO into the USB port of a Microsoft Windows OS-based PC or laptop, users can launch a secure virtual workspace that is segregated from the host PC. This allows users to securely access company files and applications from any remote location, including insecure host environments such as a hotel business center or Internet café.
References
- ↑ Garretson, Cara (Jun 5, 2007). "USB Flash Drives Come with Built-in Security". PCWorld. Retrieved August 19, 2009.[ permanent dead link ]
- ↑ "USB Flash Drive Recovery Services | USB Drive Recovery".
- ↑ "12 USB Thumb Drives Keep Your Data Secure". Information Week. March 4, 2008. Archived from the original on June 13, 2011. Retrieved October 8, 2016.
- ↑ "Central Management and Control (CMC) for Cruzer Enterprise USB Flash Drives" (PDF). Product brochure. April 23, 2009. Archived from the original (PDF) on January 2, 2010. Retrieved October 8, 2016.
- ↑ "Cruzer Enterprise Release Notes" (PDF). SanDisk. May 2007. Archived from the original (PDF) on January 2, 2010. Retrieved August 19, 2009.
- ↑ Gonsalves, Antone (December 5, 2008). "SanDisk Offers Secure USB Flash Drive For Mac". InformationWeek. Retrieved August 19, 2009.
- ↑ "Cruzer Enterprise End of Life Announcement" (PDF). SanDisk. November 2010. Archived from the original (PDF) on March 4, 2016. Retrieved April 14, 2013.
