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SpiderOak 3.5 under Mac OS X
|Initial release||December 2007|
|Stable release||3.6.9625 / January 21, 2010|
|Preview release||3.6.9601 / November 13, 2009|
|Operating system||Mac, Windows, Linux|
|Type||Online backup service|
|License||Proprietary and GPLv3 (for some tools)|
SpiderOak is an online backup tool for Windows, Mac and Linux users to back up, share, sync, access and store  their data using an off-site server. SpiderOak allows the user to backup any given folder of his computer, while some service only allow to backup a specified folder (like DropBox). SpiderOak uses encrypted cloud storage and client-side encryption key creation, so even employees of SpiderOak cannot access users' information, this is the 'zero-knowledge' data encryption. SpiderOak distinguishes itself from competition in provision of encryption, in provision for syncing files and folders across multiple devices, and in automatic de-duplication of data. To achieve this, SpiderOak uses a layered approach to encryption, using a combination of 2048 byte RSA and 256 bit AES.
SpiderOak offers two account types, a free 2 GB version and a SpiderOak Plus+ subscription. The paid plan starts at $10.00/month (or $5.00/month for students) for each 100 GB increment (or $100/year for each 100 GB). Some components of SpiderOak are open source, and there is a focus for the client to be fully open source in the future. SpiderOak provides a Fault-Tolerant Design, so no file is ever deleted from a user account before he manually does it through the client, at the opposite of some services that can overwrite or delete files without the user's consent. SpiderOak won the Editor's Choice Award in the August 2009 edition of MacLife Magazine.
- All data accessible in one de-duplicated location
- Configurable multi-platform synchronization
- Preserve all historical versions & deleted files
- Share folders instantly in web ShareRooms w / RSS
- Retrieve files from any internet-connected device
- Comprehensive 'zero-knowledge' data encryption
- Unlimited devices
- ↑ SpiderOak. ""Spideroak Service Description"". SpiderOak. https://spideroak.com/fiveservicesinone. Retrieved 2009-06-19.
- ↑ Carla Schroder (2009-01-22). ""Spideroak: Secure Offsite Backups for Linux"". LinuxPlanet. http://www.linuxplanet.com/linuxplanet/reviews/6644/1/. Retrieved 2009-02-26.
- ↑ ""Spideroak: Engineering Matters"". SpiderOak. https://spideroak.com/engineering_matters#encryption_specifications. Retrieved 2009-11-04.
- ↑ SpiderOak. "SpiderOak Education Discount". SpiderOak. https://spideroak.com/education. Retrieved 2009-12-19.
- ↑ SpiderOak. ""Spideroak Pricing"". SpiderOak. https://spideroak.com/pricing. Retrieved 2009-06-19.
- ↑ ""Spideroak: Engineering Matters"". SpiderOak. https://spideroak.com/engineering_matters#open_source. Retrieved 2009-11-04.
- ↑ ""Spideroak: Why SpiderOak"". SpiderOak. https://spideroak.com/whyspideroak. Retrieved 2009-11-04.
- ↑ Susie Ochs (2009-06-11). ""Online Storage Battle: Which Cloud Back-Up Service Reigns Supreme?"". MacLife. http://www.maclife.com/article/reviews/online_storage_battle_which_cloud_backup_service_reigns_supreme?page=0%2C1. Retrieved 2009-11-04.
- ↑ ""Spideroak: Free Online Backup, File and Folder Sync, Share & Storage for Windows, Mac, and Linux - SpiderOak.com"". SpiderOak. https://spideroak.com. Retrieved 2009-11-04.