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Client-side Encryption
Client-side encryption is the cryptographic technique of encrypting data on the sender's side, before it is transmitted to a server such as a cloud storage service. Client-side encryption features an encryption key that is not available to the service provider, making it difficult or impossible for service providers to decrypt hosted data. Client-side encryption allows for the creation of applications whose providers cannot access the data its users have stored, thus offering a high level of privacy. Those applications are sometimes marketed under the misleading term "zero-knowledge". Details Client-side encryption seeks to eliminate the potential for data to be viewed by service providers (or third parties that compel service providers to deliver access to data), client-side encryption ensures that data and files that are stored in the cloud can only be viewed on the client-side of the exchange. By remaining encrypted through each intermediary server, client-side encryption ensures ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cryptographic
Cryptography, or cryptology (from grc, , translit=kryptós "hidden, secret"; and ''graphein'', "to write", or '' -logia'', "study", respectively), is the practice and study of techniques for secure communication in the presence of adversarial behavior. More generally, cryptography is about constructing and analyzing protocols that prevent third parties or the public from reading private messages. Modern cryptography exists at the intersection of the disciplines of mathematics, computer science, information security, electrical engineering, digital signal processing, physics, and others. Core concepts related to information security ( data confidentiality, data integrity, authentication, and non-repudiation) are also central to cryptography. Practical applications of cryptography include electronic commerce, chip-based payment cards, digital currencies, computer passwords, and military communications. Cryptography prior to the modern age was effectively synonymous wi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Encrypting
In cryptography, encryption is the process of encoding information. This process converts the original representation of the information, known as plaintext, into an alternative form known as ciphertext. Ideally, only authorized parties can decipher a ciphertext back to plaintext and access the original information. Encryption does not itself prevent interference but denies the intelligible content to a would-be interceptor. For technical reasons, an encryption scheme usually uses a pseudo-random encryption key generated by an algorithm. It is possible to decrypt the message without possessing the key but, for a well-designed encryption scheme, considerable computational resources and skills are required. An authorized recipient can easily decrypt the message with the key provided by the originator to recipients but not to unauthorized users. Historically, various forms of encryption have been used to aid in cryptography. Early encryption techniques were often used in militar ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Server (computing)
In computing, a server is a piece of computer hardware or software (computer program) that provides functionality for other programs or devices, called " clients". This architecture is called the client–server model. Servers can provide various functionalities, often called "services", such as sharing data or resources among multiple clients, or performing computation for a client. A single server can serve multiple clients, and a single client can use multiple servers. A client process may run on the same device or may connect over a network to a server on a different device. Typical servers are database servers, file servers, mail servers, print servers, web servers, game servers, and application servers. Client–server systems are usually most frequently implemented by (and often identified with) the request–response model: a client sends a request to the server, which performs some action and sends a response back to the client, typically with a result or acknowledg ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cloud Storage
Cloud storage is a model of computer data storage in which the digital data is stored in logical pools, said to be on "the cloud". The physical storage spans multiple servers (sometimes in multiple locations), and the physical environment is typically owned and managed by a hosting company. These cloud storage providers are responsible for keeping the data available and accessible, and the physical environment secured, protected, and running. People and organizations buy or lease storage capacity from the providers to store user, organization, or application data. Cloud storage services may be accessed through a colocated cloud computing service, a web service application programming interface (API) or by applications that use the API, such as cloud desktop storage, a cloud storage gateway or Web-based content management systems. History Cloud computing is believed to have been invented by Joseph Carl Robnett Licklider in the 1960s with his work on ARPANET to connect ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tresorit
Tresorit is a cloud storage service with end-to-end encryption. Founded in 2011, Tresorit closed an €11.5M Series B financing round in 2018 and was featured on FT1000 by Financial Times 2020 as the fifth fastest-growing cybersecurity company in Europe. The software is available for Windows, macOS, Android, iOS, and Linux, and the company has released plugins for Gmail and Outlook. As of 2022, Swiss Post owns a majority stake in the cloud storage service. Tresorit works as an independent entity under Swiss Post. The company has offices in Zurich, Switzerland; Munich, Germany; and Budapest, Hungary, employing around 100 people. History Tresorit was founded in 2011 by Istvan Lam (CEO), Szilveszter Szebeni (CIO) and Gyorgy Szilagyi (CPO). In the coming years, Andrea Skaliczki joined as CFO, Istvan Hartung as CTO and Arno van Züren as CSO. The company officially launched its client-side encrypted cloud storage service after emerging from its stealth beta version in April 2014. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mega (service)
MEGA (a recursive acronym standing for MEGA Encrypted Global Access) is a cloud storage and file hosting service offered by MEGA Limited, a company based in Auckland, New Zealand. The service is offered through web-based apps. MEGA mobile apps are also available for Android and iOS. MEGA is known for the largest fully featured free cloud storage in the world with 20 GB storage allocation for free accounts. The website and service was launched on 19 January 2013, by Kim Dotcom, together with chief technical officer, director, and co-founder Mathias Ortmann, chief marketing officer Finn Batato and Bram van der Kolk. Data encryption Data on Mega services is end-to-end encrypted client-side using the AES algorithm. Since Mega does not know the encryption keys to uploaded files, they cannot decrypt and view the content. Therefore, they cannot be responsible for the contents of uploaded files. By encrypting files MEGA can work with a larger number of data hosting companies arou ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
SpiderOak
SpiderOak is a US-based collaboration tool, online backup and file hosting service that allows users to access, synchronize and share data using a cloud-based server, offered by a company of the same name. Its first offering, its online backup service later branded "SpiderOak ONE", launched in December 2007. SpiderOak is accessible through an app for Windows, Mac and Linux computer platforms, and Android, N900 Maemo and iOS mobile platforms. According to SpiderOak, the software uses encrypted cloud storage and client-side encryption key creation, so SpiderOak employees cannot access users' information. SpiderOak differentiates itself from its competition by this kind of encryption, in provision for syncing files and folders across multiple devices, and in automatic de-duplication of data. Some components of SpiderOak are open-source; in 2009, the company announced its intent for the SpiderOak One client's code to be fully open-source in the future. , the SpiderOak One client' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
ICloud
iCloud is a Personal cloud, cloud service from Apple Inc. launched on October 12, 2011 as a successor to MobileMe. , the service had an estimated 850 million users, up from 782 million users in 2016. iCloud enables users to sync their data to the Cloud computing, cloud, including mail, contacts, calendars, photos, notes and files, to collaborate on documents, backup an iPhone or iPad, and track lost devices. It is built into iOS, iPadOS, and macOS, and a more limited version can be downloaded for Microsoft Windows, Windows. In December 2022, Apple announced an upcoming option to enable end-to-end encryption for iCloud Backups, Photos, Notes, and more. History iCloud was announced on May 31, 2011 in a press release. On June 6, 2011, during the WWDC 2011 keynote, Steve Jobs announced that iCloud would replace MobileMe, which had been widely seen as a "failure", a fact which Steve Jobs acknowledged during the announcement. iCloud was released on October 12, 2011, and MobileMe was ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Google Drive
Google Drive is a file storage and synchronization service developed by Google. Launched on April 24, 2012, Google Drive allows users to store files in the cloud (on Google's servers), synchronize files across devices, and share files. In addition to a web interface, Google Drive offers apps with offline capabilities for Windows and macOS computers, and Android and iOS smartphones and tablets. Google Drive encompasses Google Docs, Google Sheets, and Google Slides, which are a part of the Google Docs Editors office suite that permits collaborative editing of documents, spreadsheets, presentations, drawings, forms, and more. Files created and edited through the Google Docs suite are saved in Google Drive. Google Drive offers users 15 GB of free storage through Google One. Google One also offers 100 GB, 200 GB, 2 TB, offered through optional paid plans. Files uploaded can be up to 750 GB in size. Users can change privacy settings for individual files and f ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dropbox (service)
Dropbox is a file hosting service operated by the American company Dropbox, Inc., headquartered in San Francisco, California, U.S. that offers cloud storage, file synchronization, personal cloud, and client software. Dropbox was founded in 2007 by MIT students Drew Houston and Arash Ferdowsi as a startup company, with initial funding from seed accelerator Y Combinator. Dropbox has experienced criticism and generated controversy for issues including security breaches and privacy concerns. Dropbox has been blocked in China since 2014. Concept Dropbox brings files together in one central place by creating a special folder on the user's computer. The contents of these folders are synchronized to Dropbox's servers and to other computers and devices where the user has installed Dropbox, keeping the same files up-to-date on all devices. Dropbox uses a freemium business model, where users are offered a free account with set storage size, with paid subscriptions available that off ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
End-to-end Encryption
End-to-end encryption (E2EE) is a system of communication where only the communicating users can read the messages. In principle, it prevents potential eavesdroppers – including telecom providers, Internet providers, malicious actors, and even the provider of the communication service – from being able to access the cryptographic keys needed to decrypt the conversation. End-to-end encryption is intended to prevent data being read or secretly modified, other than by the true sender and recipient(s). The messages are encrypted by the sender but the third party does not have a means to decrypt them, and stores them encrypted. The recipients retrieve the encrypted data and decrypt it themselves. Because no third parties can decipher the data being communicated or stored, for example, companies that provide end-to-end encryption are unable to hand over texts of their customers' messages to the authorities. In 2022, the UK's Information Commissioner's Office, the government body ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Homomorphic Encryption
Homomorphic encryption is a form of encryption that permits users to perform computations on its encrypted data without first decrypting it. These resulting computations are left in an encrypted form which, when decrypted, result in an identical output to that produced had the operations been performed on the unencrypted data. Homomorphic encryption can be used for privacy-preserving outsourced storage and computation. This allows data to be encrypted and out-sourced to commercial cloud environments for processing, all while encrypted. For sensitive data, such as health care information, homomorphic encryption can be used to enable new services by removing privacy barriers inhibiting data sharing or increase security to existing services. For example, predictive analytics in health care can be hard to apply via a third party service provider due to medical data privacy concerns, but if the predictive analytics service provider can operate on encrypted data instead, these priva ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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