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Jungle Disk
Jungle Disk is both the name of an online backup software service and a privately held data security company. It was one of the first backup services to use cloud storage and Amazon S3. In 2009 after being acquired by Rackspace the service added Rackspace Cloud Files. The name is a word association as the Amazon rainforest is a Jungle and Disk is a common shorthand for a hard disk drive. Backup service overview Jungle Disk backup is a monthly subscription software service that supports laptops, desktops, and servers for Microsoft Windows, macOS, and Linux operating systems. Data is backed up to an online disk using either a continuous backup (aka. sync) or scheduled to back up of selected files, folders, or a everything on a system. Data can be accessed from the software client, a web browser, or mobile devices running Android or iOS. It also provides a WebDAV server for integration with other applications. Customers can protect their data using AES-256 encryption with the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Remote Backup Service
A remote, online, or managed backup service, sometimes marketed as cloud backup or backup-as-a-service, is a service that provides users with a system for the backup, storage, and recovery of computer files. Online backup providers are companies that provide this type of service to end users (or clients). Such backup services are considered a form of cloud computing. Online backup systems are typically built for a client software program that runs on a given schedule. Some systems run once a day, usually at night while computers aren't in use. Other newer cloud backup services run continuously to capture changes to user systems nearly in real-time. The online backup system typically collects, compresses, encrypts, and transfers the data to the remote backup service provider's servers or off-site hardware. There are many products on the market – all offering different feature sets, service levels, and types of encryption. Providers of this type of service frequently targe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Atlanta
Atlanta ( ) is the capital and most populous city of the U.S. state of Georgia. It is the seat of Fulton County, the most populous county in Georgia, but its territory falls in both Fulton and DeKalb counties. With a population of 498,715 living within the city limits, it is the eighth most populous city in the Southeast and 38th most populous city in the United States according to the 2020 U.S. census. It is the core of the much larger Atlanta metropolitan area, which is home to more than 6.1 million people, making it the eighth-largest metropolitan area in the United States. Situated among the foothills of the Appalachian Mountains at an elevation of just over above sea level, it features unique topography that includes rolling hills, lush greenery, and the most dense urban tree coverage of any major city in the United States. Atlanta was originally founded as the terminus of a major state-sponsored railroad, but it soon became the convergence point among severa ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
File Hosting
A file-hosting service, cloud-storage service, online file-storage provider, or cyberlocker is an internet hosting service specifically designed to host user files. It allows users to upload files that could be accessed over the internet after a user name and password or other authentication is provided. Typically, the services allow HTTP access, and sometimes FTP access. Related services are content-displaying hosting services (i.e. video and image), virtual storage, and remote backup. Uses Personal file storage Personal file storage services are aimed at private individuals, offering a sort of "network storage" for personal backup, file access, or file distribution. Users can upload their files and share them publicly or keep them password-protected. Document-sharing services allow users to share and collaborate on document files. These services originally targeted files such as PDFs, word processor documents, and spreadsheets. However many remote file storage service ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Backup Software
Backup software are computer programs used to perform a backup; they create supplementary exact copies of files, databases or entire computers. These programs may later use the supplementary copies to restore the original contents in the event of data loss; hence, they are very useful to users. Key features There are several features of backup software that make it more effective in backing up data. Volumes Voluming allows the ability to compress and split backup data into separate parts for storage on smaller, removable media such as CDs. It was often used because CDs were easy to transport off-site and inexpensive compared to hard drives or servers. However, the recent increase in hard drive capacity and decrease in drive cost has made voluming a far less popular solution. The introduction of small, portable, durable USB drives, and the increase in broadband capacity has provided easier and more secure methods of transporting backup data off-site. Data compression ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Comparison Of Online Backup Services
This is a comparison of online backup services. Online backup is a special kind of online storage service; however, various products that are designed for file storage may not have features or characteristics that others designed for backup have. Online Backup usually requires a backup client program. A browser-only online storage service is usually not considered a valid online backup service. Online folder sync services can be used for backup purposes. However, some Online Folder Sync services may not provide a safe Online Backup. If a file is accidentally locally corrupted or deleted, it depends on the versioning features of a Folder Sync service, whether this file will still be retrievable. Comparison Legend *Windows/Linux/ Mac/ iOS/Android/BlackBerry: Supported operating systems for thick client (native binary application), which provide background data transmission and setting services. *Zero knowledge: The service provider has no knowledge of the user's encryption key, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Computational Complexity Theory
In theoretical computer science and mathematics, computational complexity theory focuses on classifying computational problems according to their resource usage, and relating these classes to each other. A computational problem is a task solved by a computer. A computation problem is solvable by mechanical application of mathematical steps, such as an algorithm. A problem is regarded as inherently difficult if its solution requires significant resources, whatever the algorithm used. The theory formalizes this intuition, by introducing mathematical models of computation to study these problems and quantifying their computational complexity, i.e., the amount of resources needed to solve them, such as time and storage. Other measures of complexity are also used, such as the amount of communication (used in communication complexity), the number of gates in a circuit (used in circuit complexity) and the number of processors (used in parallel computing). One of the roles of compu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Key Derivation Function
In cryptography, a key derivation function (KDF) is a cryptographic algorithm that derives one or more secret keys from a secret value such as a master key, a password, or a passphrase using a pseudorandom function (which typically uses a cryptographic hash function or block cipher). KDFs can be used to stretch keys into longer keys or to obtain keys of a required format, such as converting a group element that is the result of a Diffie–Hellman key exchange into a symmetric key for use with AES. Keyed cryptographic hash functions are popular examples of pseudorandom functions used for key derivation. History The first deliberately slow (key stretching) password-based key derivation function was called "crypt" (or "crypt(3)" after its man page), and was invented by Robert Morris in 1978. It would encrypt a constant (zero), using the first 8 characters of the user's password as the key, by performing 25 iterations of a modified DES encryption algorithm (in which a 12-bit num ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Message Authentication Code
In cryptography, a message authentication code (MAC), sometimes known as a ''tag'', is a short piece of information used for authenticating a message. In other words, to confirm that the message came from the stated sender (its authenticity) and has not been changed. The MAC value protects a message's data integrity, as well as its authenticity, by allowing verifiers (who also possess the secret key) to detect any changes to the message content. Terminology The term message integrity code (MIC) is frequently substituted for the term ''MAC'', especially in communications to distinguish it from the use of the latter as '' media access control address'' (''MAC address''). However, some authors use MIC to refer to a message digest, which aims only to uniquely but opaquely identify a single message. RFC 4949 recommends avoiding the term ''message integrity code'' (MIC), and instead using ''checksum'', '' error detection code'', ''hash'', ''keyed hash'', ''message authentication code'' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tarsnap
Tarsnap is a secure online backup service for UNIX-like operating systems, including BSD, Linux, and OS X. It was created in 2008 by Colin Percival. Tarsnap encrypts data, and then stores it on Amazon S3. Service The service is designed for efficiency, only uploading and storing data that has directly changed since the last backup. Its security keys are known only to the user. It was developed and debugged, with input solicited from bug bounty hunters, to try to find vulnerabilities. A serious nonce-reuse vulnerability was found by this process and fixed in 2011. The document of the presentation "From bsdtar to tarsnap" by Percival from EuroBSD-Con 2013 contains "all kinds of detail on exactly how the algorithms work, how deduplication is managed ... the innards of how Tarsnap works" See also * Comparison of online backup services This is a comparison of online backup services. Online backup is a special kind of online storage service; however, various products that a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Colin Percival
Colin A. Percival (born 1980) is a Canadian computer scientist and computer security researcher. He completed his undergraduate education at Simon Fraser University and a doctorate at the University of Oxford. While at university he joined the FreeBSD project, and achieved some notoriety for discovering a security weakness in Intel's hyper-threading technology. Besides his work in delta compression and the introduction of memory-hard functions, he is also known for developing the Tarsnap online backup service, which became his full-time job. Education Percival began taking mathematics courses at Simon Fraser University (SFU) at age 13, as a student at Burnaby Central Secondary School. He graduated from Burnaby Central and officially enrolled at SFU in 1998. At SFU he studied number theory under Peter Borwein, and competed in the William Lowell Putnam Mathematical Competition, placing in the top 15 in 1998 and as a Putnam Fellow (in the top six) in 1999. From 1998 to 2000 he ran t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
ElephantDrive
ElephantDrive is a storage virtualization service used primarily as an online backup tool, but also as a remote access service/ collaboration tool. The service runs on Windows, Mac, Linux, iOS, and Android platforms, and allows users to create simple automated backups for protecting data by moving it into cloud-based ElephantDrive account. Architecture ElephantDrive makes use of infrastructure-on-demand as part of its architecture, and is one of the first examples of the applications built on Amazon's S3 (Simple Storage Service). ElephantDrive initially utilized Amazon S3 as a tool for a datacenter migration, but quickly moved it into the production infrastructure. History ElephantDrive, Inc. was founded by Michael Fisher and Ben Widhelm in 2005. ElephantDrive launched as a service in 2006. ElephantDrive's development was initially based in Westwood Village in Los Angeles, California. ElephantDrive's first major product came in conjunction with the 2008 closing of early cl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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