SpiderOak

SpiderOak is a United States software company whose business developed from privacy-oriented cloud backup and file-hosting products into cybersecurity platforms for space, government, and enterprise customers. The company was founded in 2007 by Ethan Oberman and Alan Fairless, initially offering an encrypted online backup service designed to keep users' data inaccessible to the service provider. Its first major product, launched in December 2007 and later branded SpiderOak ONE, combined cloud backup, file synchronization, file sharing, and cross-device access for desktop and mobile platforms. SpiderOak's original differentiation was its client-side encryption model. Encryption keys were generated on the user's device rather than being centrally controlled by SpiderOak, and the company marketed the service as one in which employees could not read customer information. The platform also emphasized synchronization across devices and automatic data de-duplication. Some portions of SpiderOak's software were made available as open source, although the desktop client was not fully open source. The company also developed Crypton, an open-source JavaScript framework intended to help developers build applications in which servers do not have access to the content they store. Another privacy product, the open-source password manager Encryptr, was discontinued in March 2021. SpiderOak's group-messaging application Semaphor has published source code intended to support external auditing. The company expanded its commercial scope during the 2010s. By 2014 it had nearly one million users, according to comments attributed to co-founder Ethan Oberman, and maintained operations associated with Chicago and Kansas City while also using remote employees. In 2015, SpiderOak raised a Series A financing round of $3.5 million. In 2017, the company stopped using the marketing phrase "zero knowledge" for SpiderOak ONE after criticism that the term could be confused with the more specific cryptographic concept of zero-knowledge proofs. It adopted "no knowledge" instead. That same year, Alan Fairless left the chief executive role and Christopher Skinner became CEO. Skinner described an expansion toward enterprise software, supported in part by a Series B financing round. SpiderOak's later strategy shifted decisively toward cybersecurity for space infrastructure. The company began increasing its focus on the OrbitSecure product family around 2021. OrbitSecure is designed as a cybersecurity and data-protection platform for space systems, using encryption, distributed-ledger technology, decentralized key management, and containerized workloads. The approach is intended to isolate applications and support secure processing and transmission in orbit, including for government and defense architectures. SpiderOak has described the platform in connection with the Department of Defense's future Hybrid Space Architecture. David Pearah became CEO in 2020, and Charles Beames became executive chairman in 2022. In January 2023, SpiderOak announced a $16.4 million financing round intended to accelerate its space business. In May 2023, investment came from venture groups associated with Accenture, Raytheon Technologies, and Stellar Ventures to support deployment of zero-trust cybersecurity platforms for government and commercial space customers. The company reported its first in-space test of OrbitSecure in June 2023 on a Ball Aerospace prototype payload, followed by a demonstration on the International Space Station in July 2023. SpiderOak has also partnered with organizations including Lockheed Martin, Raytheon, and the United States Department of Defense. Its current positioning centers on software-defined, cryptography-led protection for highly sensitive data, communications, and applications operating in space and other contested or mission-critical environments.

SpiderOak was founded in 2007 by Ethan Oberman and Alan Fairless as a company focused on encrypted private backup. Its first offering launched in December 2007 as an online backup service and was later branded SpiderOak ONE. The service provided cloud-based backup, file hosting, synchronization, and sharing through applications for Windows, macOS, Linux, Android, iOS, and other supported platforms. The product's central technical proposition was that encryption occurred on the client side and that users generated their own encryption keys. This design was intended to prevent SpiderOak personnel from viewing customer data. SpiderOak also sought to distinguish the service through multi-device synchronization and automated de-duplication. During the late 2000s and early 2010s, the company made selected components available as open source and in 2009 stated an intention to move toward fully open-source SpiderOak ONE software. The desktop client ultimately did not become fully open source, while mobile components were available for inspection. SpiderOak also created Crypton, an open-source JavaScript framework for developers building applications in which servers cannot read stored content. By 2014, SpiderOak was associated with offices in Chicago and Kansas City, had about 42 employees, and had reportedly reached nearly one million users. The company raised $3.5 million in Series A funding in 2015, bringing reported total funding at that point to approximately $9 million. In 2017, SpiderOak changed its privacy terminology after criticism of its use of the phrase zero knowledge, adopting no knowledge as a description of its service model. Later that year, co-founder Alan Fairless was replaced as CEO by Christopher Skinner. The company used the leadership transition to communicate a broader enterprise-software strategy, supported partly by a reported $2 million Series B round. David Pearah became CEO in 2020. Around 2021, the company's strategic emphasis moved toward space cybersecurity and its OrbitSecure platform, although SpiderOak continued to have roots in encrypted data-protection software. OrbitSecure was designed to protect space-based systems through encryption, distributed-ledger technology, decentralized key management, and containerized workloads. The architecture was presented as suitable for government and defense use, including the Department of Defense's future Hybrid Space Architecture. Charles Beames became executive chairman in 2022. SpiderOak then increased investment in its space business. In January 2023, it announced a $16.4 million financing round. In May of that year, the company announced investments from venture arms associated with Accenture, Raytheon Technologies, and Stellar Ventures. These investments were intended to accelerate deployment of zero-trust cybersecurity platforms for government and commercial space-sector customers. SpiderOak reported its first in-space software test in June 2023, when OrbitSecure was demonstrated on a Ball Aerospace prototype payload. In July 2023, the company reported a further demonstration aboard the International Space Station. The company has also been linked through partnerships or work with Lockheed Martin, Raytheon, and the United States Department of Defense. Its historical trajectory therefore runs from consumer and small-business privacy software toward specialized cybersecurity infrastructure for connected, distributed, and mission-critical space systems.

1. 2023Space demonstrations and new financing

   SpiderOak announced a $16.4 million financing round and reported OrbitSecure demonstrations on a Ball Aerospace prototype payload and the International Space Station.

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2. 2022Charles Beames becomes executive chairman

   Charles Beames became executive chairman as the company developed its space-sector strategy.

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3. 2021Strategic move toward space cybersecurity

   SpiderOak increased its emphasis on OrbitSecure and cybersecurity for space systems.

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4. 2020David Pearah becomes CEO

   David Pearah assumed the chief executive role.

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5. 2017Enterprise strategy and leadership transition

   Christopher Skinner became CEO after Alan Fairless, while SpiderOak announced a stronger enterprise-software focus and reported a $2 million Series B round.

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6. 2015Series A financing

   SpiderOak raised a reported $3.5 million Series A round, taking reported total funding to approximately $9 million.

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7. 2013Crypton development begins

   SpiderOak began developing Crypton, an open-source JavaScript framework for applications designed so that servers cannot read the content they store.

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8. 2009Open-source direction announced

   SpiderOak announced an intention to make the SpiderOak ONE code fully open source, although the desktop client was not ultimately released under a fully open-source model.

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9. 2007SpiderOak founded and first backup service launched

   Ethan Oberman and Alan Fairless founded SpiderOak, and the company's first encrypted online backup service launched in December.

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SpiderOak positions itself as a cybersecurity and data-protection provider for sensitive enterprise, government, defense, and space missions. Its brand is built around client-side encryption, no-provider-access data handling, zero-trust principles, decentralized key management, and protection of software and data in distributed or orbital environments.

• SpiderOak ONEEncrypted cloud backup and file synchronization2007

  SpiderOak ONE is SpiderOak's original flagship data-protection service, launched in 2007 as an online backup product and later expanded into encrypted cloud storage, file hosting, synchronization, and sharing. Its design uses client-side encryption and user-controlled key creation so that SpiderOak employees are not intended to have access to stored customer content. The service has supported desktop and mobile platforms and was differentiated by cross-device synchronization and automatic data de-duplication.

• OrbitSecureSpace cybersecurity2021

  OrbitSecure is a cybersecurity software suite developed for government, defense, and commercial space environments. It combines encryption, distributed-ledger technology, decentralized key management, and containerized workloads to help protect applications, data, and communications in orbit. SpiderOak has associated the platform with zero-trust security and the Department of Defense's future Hybrid Space Architecture, and reported demonstrations on a prototype payload and the International Space Station in 2023.

• SemaphorSecure group messaging

  Semaphor is SpiderOak's secure group-messaging application. The project has published source code to support auditing and inspection, reflecting the company's broader emphasis on verifiable security and protection of communications from unauthorized access.

• CryptonOpen-source encryption framework2013

  Crypton is an open-source JavaScript framework developed by SpiderOak for building applications in which the server does not know the contents of the data it stores on behalf of users. It represents the company's effort to extend client-side encryption principles beyond its own backup and storage products.

• EncryptrPassword manager

  Encryptr was an open-source password-manager product offered by SpiderOak. The product was discontinued in March 2021 and is no longer part of the company's active offering set.

• 2023Accelerate the space business through financing and strategic investmentStrategy

  SpiderOak was pursuing a larger role in cybersecurity for government and commercial space infrastructure.

  What changed. The company announced a $16.4 million financing round in January and later disclosed investment from venture arms associated with Accenture, Raytheon Technologies, and Stellar Ventures.

  Aftermath. The financing supported the company's stated effort to deploy zero-trust cybersecurity platforms for space-sector customers and accompanied in-space OrbitSecure demonstrations.

  Financing round. $16.4 million (January 2023)

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• 2021Increase focus on space cybersecurityStrategy

  SpiderOak identified growing cybersecurity requirements for connected space systems and government space architectures.

  What changed. The company increased its emphasis on OrbitSecure and began repositioning its business around cybersecurity for space systems.

  Aftermath. The shift led to space demonstrations, defense-related partnerships, and additional financing aimed at government and commercial space customers.

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• 2021Discontinue EncryptrOther

  SpiderOak was concentrating resources on its broader cybersecurity and enterprise direction.

  What changed. The company discontinued its open-source Encryptr password manager in March 2021.

  Aftermath. Encryptr ceased to be an active SpiderOak product while the company continued emphasizing enterprise and space cybersecurity.

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• 2017Replace zero knowledge with no knowledge in product marketingStrategy

  SpiderOak faced public criticism that its use of the phrase zero knowledge could be confused with the more specific cryptographic concept of zero-knowledge proofs.

  What changed. The company stopped using zero knowledge to describe SpiderOak ONE and adopted no knowledge instead.

  Aftermath. The change clarified SpiderOak's intended privacy model while preserving its emphasis on client-side encryption and provider inaccessibility.

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• 2017Expand into enterprise softwareStrategy

  Following a leadership transition, SpiderOak sought to broaden its business beyond privacy-oriented consumer and small-business backup services.

  What changed. Under CEO Christopher Skinner, the company announced an increased focus on enterprise software, partially supported by a reported Series B financing round.

  Aftermath. The enterprise push preceded SpiderOak's later strategic concentration on government, defense, and space cybersecurity.

  Series B financing. $2 million (2017)

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• 2023SpiderOak raises financing to accelerate its space cybersecurity business

  SpiderOak announced a $16.4 million financing round intended to support a stronger expansion into space cybersecurity.

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• 2023Space-focused investors back SpiderOak's cybersecurity expansion

  Investment from venture arms associated with Accenture, Raytheon Technologies, and Stellar Ventures was announced to support zero-trust cybersecurity platforms for government and commercial space customers.

  Other
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• 2023OrbitSecure demonstrated in space

  SpiderOak reported testing OrbitSecure on a Ball Aerospace prototype payload in June and demonstrating the software on the International Space Station in July.

  Product launchProduct generation
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• 2021SpiderOak discontinues Encryptr

  SpiderOak discontinued its open-source password-manager product Encryptr.

  Product generation
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• 2017SpiderOak changes privacy terminology from zero knowledge to no knowledge

  Following public criticism over the use of the phrase zero knowledge, SpiderOak changed its marketing language for SpiderOak ONE to no knowledge.

  Other
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• 2017Christopher Skinner becomes chief executive officer

  Christopher Skinner replaced co-founder Alan Fairless as CEO as SpiderOak announced a stronger emphasis on enterprise software.

  Leadership change
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1. SpiderOak
2. SpiderOak official website