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{{Short description|Swiss cloud storage platform}}
{{Use dmy dates|date=June 2013}}
{{Use dmy dates|date=February 2023}}
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{{Infobox software
{{Advert|date=February 2024}}
⚫
| name = Tresorit
⚫
{{Infobox company
| logo = [[File:Tresorit Logo.png|200px]]
⚫
| name = Tresorit
| screenshot =
| logo = Tresorit logo.svg
| caption =
| founded = {{start date and age|2011}}
| founders = [[Istvan Lam]]<ref name=autogenerated1 />
| founder = {{ubl|Istvan Lam|Szilveszter Szebeni|Gyorgy Szilagyi}}
| developer =
| hq_location = [[Zurich]], Switzerland
| released =
⚫
| services = [[Cloud storage]]
| frequently updated = yes <!-- Release version update? Don't edit this page, just click on the version number! -->
| owner = [[Swiss Post]]
| programming language = C++<ref>{{cite web|url=http://tresorit.com/careers |title=Careers - Tresorit &#124; We encrypt - You share |publisher=Tresorit |date= |accessdate=2013-06-18}}</ref>
⚫
| website = {{URL|https://tresorit.com/}}
| operating system = [[Microsoft Windows]], <br /> [[Mac OS X]], <br />[[Android (operating system)|Android]], <br /> [[iOS]], <br /> [[Windows Phone]], <br /> [[BlackBerry OS]], <br /> [[Linux]]
| language = English, German
| status = Active
| genre = [[Cloud storage]]
| license = [[Proprietary software]]
⚫
| website = {{URL|tresorit.com/}}
| num_employees = 11<ref>{{cite web|url=http://www.crunchbase.com/company/tresorium |title=Tresorit &#124; CrunchBase Profile |publisher=Crunchbase.com |date= |accessdate=2013-06-18}}</ref>
}}
}}
{{Use dmy dates|date=June 2013}}


'''Tresorit''' is a [[cloud storage]] platform that offers functions for administration, storage, synchronization, and transfer of data using [[end-to-end encryption]].<ref>{{Cite web |last1=Pickavance |first1=Mark |last2=updated |first2=David Nield last |date=2020-05-21 |title=Tresorit cloud storage review |url=https://www.techradar.com/reviews/tresorit |access-date=2021-12-17 |website=[[TechRadar]] |language=en}}</ref><ref>{{Cite web |author1=Wisdom Sablah |date=2021-08-03 |title=Tresorit cloud storage review 2021 |url=https://www.itproportal.com/reviews/tresorit-review/ |access-date=2021-12-17 |website=[[ITProPortal]] |language=en}}</ref>
'''Tresorit''' is an online [[cloud storage]] service based in [[Switzerland]] and [[Hungary]] that emphasizes enhanced security and data encryption. The service starts at 10 EUR/Month/User/100GB; there is a 14-day trial. They offer 3GB for free rising to 5GB after completion of an in-app familiarization tour. It has been likened to a high-security alternative to [[Dropbox (service)|Dropbox]].<ref>{{cite web|author=|url=http://www.cbsnews.com/8301-505143_162-57580572/get-5gb-of-free-ultra-secure-storage/ |title=Ultra-secure storage |publisher=CBS News |date=2013-04-25 |accessdate=2013-06-18}}</ref>


Founded in 2011, Tresorit closed an €11.5M Series B financing round in 2018 and was featured on FT1000 by the ''[[Financial Times]]'' 2020<ref>{{Cite news|last=Kelly|first=Maxine|date=2021-03-02|title=FT 1000: the fifth annual list of Europe's fastest-growing companies|work=Financial Times|url=https://www.ft.com/content/8b37a92b-15e6-4b9c-8427-315a8b5f4332|access-date=2021-12-15}}</ref> as the fifth fastest-growing cybersecurity company in Europe. In 2021, Swiss Post Communications Services acquired a majority stake in the company to expand its digital product portfolio. Tresorit works as an independent entity under [[Swiss Post]].<ref>{{Cite web |date=8 July 2021 |title=Swiss Post acquires e2e encrypted cloud services provider, Tresorit |url=https://techcrunch.com/2021/07/08/swiss-post-acquires-e2e-encrypted-cloud-services-provider-tresorit/ |access-date=2022-03-31 |website=TechCrunch |language=en-US}}</ref> which is now sole shareholder. The company has offices in Zurich, Switzerland; Munich, Germany; and Budapest, Hungary, employing around 100 people.
As an added measure for security, Tresorit's service is mainly accessible through client desktop software. A web-based file uploader exists since July 2015.<ref>{{cite web|url=https://tresorit.com/blog/our-biggest-update-yet-in-2015-work-securely-without-installing-tresorit-using-your-browser/ |title=Our biggest update yet in 2015 – work securely without installing Tresorit, using your browser |date=2015-07-29 |accessdate=2016-01-11}}</ref> Currently, the software is available for [[Windows]], [[Mac OS|Mac]], [[Android (operating system)|Android]], [[Windows Phone 8]], [[iOS]], [[BlackBerry OS]].<ref>{{cite web|url=http://lifehacker.com/encrypted-cloud-service-tresorit-unveils-new-desktop-an-1443194251 |title=Encrypted Cloud Service Tresorit Unveils New Desktop and Mobile Apps}}</ref> and [[Linux]] <ref>{{cite web|url=http://www.maclife.com/article/news/weekend_recap_intel_ceo_iphone_handbrake_099_tresorit_mac_teased |title=Weekend Recap: Intel CEO on iPhone, Handbrake 0.9.9, Tresorit for Mac Teased &#124; Mac&#124;Life |publisher=Maclife.com |date=2013-05-20 |accessdate=2013-06-18}}</ref>


==History==
Tresorit was founded in 2011 by Hungarian programmers [[Istvan Lam]], who remains CEO, [[Szilveszter Szebeni]], who is currently CIO and [[Gyorgy Szilagyi]], who is the CPO of the company.<ref name=autogenerated1>{{cite web|url=http://tresorit.com/management |title=Management - Tresorit &#124; We encrypt - You share |publisher=Tresorit |date= |accessdate=2013-06-18}}</ref>


Tresorit was founded in 2011 by Istvan Lam, Szilveszter Szebeni and Gyorgy Szilagyi with the aim of providing a secure alternative to traditional cloud storage solutions. In the coming years, Andrea Skaliczki joined as CFO, Istvan Hartung as CTO. The company officially launched its client-side encrypted cloud storage service after emerging from its stealth beta version in April 2014.
Tresorit officially launched its end-to-end encrypted cloud storage service after emerging from its stealth beta in April 2014.<ref>[http://thenextweb.com/apps/2014/04/18/tresorit-opens-end-end-encryption-file-sharing-service-public/ Tresorit opens its end-to-end encrypted file-sharing service to the public<!-- Bot generated title -->]</ref>

⚫
In 2013 and 2014, Tresorit hosted a hacking contest offering $10,000 to anyone who hacked their data encryption methods to gain access to their servers.<ref>{{cite web |date=11 April 2013 |title=Secure cloud storage outfit Tresorit posts $10K hacker bounty – Tech News and Analysis |url=http://gigaom.com/2013/04/11/secure-cloud-storage-outfit-tresorit-posts-10k-hacker-bounty/ |access-date=2013-06-18 |publisher=Gigaom.com}}</ref> After some months, the reward was increased to $25,000 and later to $50,000, challenging experts from institutions like [[Harvard University|Harvard]], [[Stanford University|Stanford]] or [[Massachusetts Institute of Technology|MIT]].<ref>[https://venturebeat.com/2013/11/12/hungarian-security-freaks-hack-our-startup-and-well-give-you-25k-exclusive/ Hungarian ‘security freaks’: Hack our startup and we’ll give you $25K<!-- Bot generated title -->]</ref><ref>[https://www.forbes.com/sites/benkepes/2013/12/19/hackers-heres-a-way-to-make-an-easy-25k// Hackers, Here's a Way To Make An Easy $25k<!-- Bot generated title -->]</ref><ref>[http://gigaom.com/2013/12/17/secure-cloud-firm-tresorit-boosts-hacker-bounty-to-25000/// Secure cloud firm Tresorit boosts hacker bounty to $25,000<!-- Bot generated title -->]</ref> The contest ran for 468 days and according to the company, nobody was able to break the encryption.<ref>{{Cite web |date=17 August 2015 |title=Farewell, Wuala! Pioneering secure storage shuts down, recommends Tresorit |url=https://tresorit.com/business/wuala-alternative}}</ref>

In August 2015, [[Wuala]] (owned by LaCie and Seagate), a pioneer of secure cloud storage, announced it was closing its service after 7 years and recommended its users choose Tresorit as their secure cloud alternative.<ref>{{Cite web |title=Wuala cloud storage was shut down, offers Tresorit as a secure alternative |url=https://wuala.com/ |access-date=2022-03-31 |website=wuala.com}}</ref>

In 2016, Tresorit launched its [[Non-governmental organization|NGO]] initiative with the aim of improving the digital security of non-profits and has gained notable recognition within the sector where the protection of sensitive information is paramount. More than 500 teams (human rights defenders, environmental activists, teams working on education and research, and many others from all over the world) joined Tresorit’s NGO program since then.<ref>{{Cite web |title=Tresorit for NGOs |url=https://support.tresorit.com/hc/en-us/articles/217843688-Tresorit-for-NGOs |website=Tresorit}}</ref>

In 2017, Tresorit patented its shareable encryption technology in the US under no. US 9563783 B2, and [[LogMeIn]] co-founder Marton Anka joined Tresorit as an investor and advisor.{{Citation needed|date=April 2022}}

In 2019, Tresorit reached the number of 100 employees, and Tresorit improved its governance feature set with e-mail verification and detailed user reports.

In 2020, during the [[COVID-19 pandemic]], Tresorit offered free access to remote work solutions for public education and healthcare institutions. The company was named the 2020 Gartner Peer Insights Customers’ Choice for Content Collaboration Tools.<ref>{{Cite web |date=2020-12-03 |title=Tresorit Receives Gartner Peer Insights Customers' Choice Distinction |url=https://pressreleases.responsesource.com/news/100511/tresorit-receives-gartner-peer-insights-customers-choice-distinction/ |access-date=2024-01-30 |website=ResponseSource Press Release Wire}}</ref>

In July 2021, Tresorit was acquired by the [[Swiss Post]]<ref>{{Cite web|title=Swiss Post acquires e2e encrypted cloud services provider, Tresorit|url=https://techcrunch.com/2021/07/08/swiss-post-acquires-e2e-encrypted-cloud-services-provider-tresorit/|access-date=2021-12-15|website=TechCrunch|date=8 July 2021 |language=en-US}}</ref> to further expand its presence in its core German-speaking markets, including [[Germany]], [[Austria]], and [[Switzerland]].

In 2022, Tresorit launched a new email encryption tool, added eSignature feature to its cloud collaboration platform and introduced qualified eSignatures for its Swiss customers.{{Citation needed|date=June 2024}}

In June 2023, Tresorit announced the appointment of István Hartung as CEO. The previous CEO and founder, István Lám, remained member of the Board of Tresorit Group but transitioned to the role of Director of Corporate Development.{{Citation needed|date=June 2024}}


==Technology==
==Technology==
Tresorit uses [[Advanced Encryption Standard|AES 256]] encryption.<ref>{{Cite web|title=Files shared via Tresorit|url=https://web.tresorit.com/l/fyvwX#QTQCXngLXUIzWC0hghSJoQ|access-date=2021-12-17|website=Tresorit|language=en}}</ref> With Tresorit's [[end-to-end encryption]], every file and relevant metadata on user devices are encrypted with unique, randomly generated encryption keys. These keys are never sent to Tresorit's servers in an unencrypted format. Accessing files is only possible with a user's unique private decryption key.<ref>{{Cite web |title=Tresorit Encryption White Paper |url=https://cdn.tresorit.com/202208011608/tresorit-encryption-whitepaper.pdf |website=Tresorit}}</ref>
Tresorit encrypts files using [[client-side encryption]] with [[AES-256]] before uploading them. Files are also secured by [[HMAC]] message authentication codes applied on [[SHA-512]] hashes.<ref>[http://lifehacker.com/5994394/get-50gb-of-free-encrypted-online-storage-from-tresorit Get 50GB of Free, Encrypted Online Storage from Tresorit<!-- Bot generated title -->]</ref>


Tresorit uses random keys for each file and random IVs for each version of a file. The company claims that two identical files look completely different after encryption, thus they cannot be compared or matched.<ref>{{Cite web |title=Cloud Storage Security - Secure Cloud Storage from Tresorit |url=https://tresorit.com/security |access-date=2023-07-12 |website=tresorit.com}}</ref>
"Tresore" (German for [[vault (disambiguation)|vaults]]) are encrypted counterparts of uploaded directories. Tresors automatically sync with the cloud as files are added or removed from them, similar to [[Box.com]] and [[Dropbox (service)|Dropbox]]'s desktop software. The main difference between Tresorit and its competition is that Tresorit applies AES-256 client-side encryption to files while they’re still local and then uploads them to the cloud. There are additional layers of security, but the key info is that the encryption key never leaves the user.<ref>[http://gigaom.com/2013/09/02/tresorit-takes-on-prism-provoked-worries-with-encrypted-cloud-storage/ Tresorit takes on PRISM-provoked worries with encrypted cloud storage<!-- Bot generated title -->]</ref>


Tresorit provides client side zero-knowledge encryption,<ref>{{Cite web |date=2016-05-20 |title=What is Zero-Knowledge Encryption? |url=https://tresorit.com/blog/zero-knowledge-encryption/ |access-date=2021-12-15 |website=Tresorit Blog |language=en}}</ref> across all platforms, even from web browsers. This ensures that no keys, passwords, files or any sensitive material ever get transferred in an unencrypted or reversible form. Encryption keys or unencrypted files are never visible to the servers or Tresorit administrators. Due to this zero-knowledge system, Tresorit does not even store passwords. Administrators of a business Tresorit account can reset user passwords, if the business has the feature "Advanced Control" turned on.<ref>{{Cite web |title=Switching on Advanced Control |url=https://support.tresorit.com/hc/en-us/articles/115000236653-Switching-on-Advanced-Control}}</ref> This design enhances user privacy and security.
==Hacking contest==
⚫
Since April 10, 2013, Tresorit has hosted a hacking contest, offering $10,000 to anyone who can hack their data encryption methods to gain access to their servers.<ref>{{cite web|url=http://gigaom.com/2013/04/11/secure-cloud-storage-outfit-tresorit-posts-10k-hacker-bounty/ |title=Secure cloud storage outfit Tresorit posts $10K hacker bounty — Tech News and Analysis |publisher=Gigaom.com |date= |accessdate=2013-06-18}}</ref> Tresorit maintains that the contest is hosted on a completely independent server separate from their users' files. In 2013 the company increased the reward to $25,000, challenging top hackers from institutions like [[Harvard University|Harvard]], [[Stanford University|Stanford]] or [[Massachusetts Institute of Technology|MIT]].<ref>[http://venturebeat.com/2013/11/12/hungarian-security-freaks-hack-our-startup-and-well-give-you-25k-exclusive/ Hungarian ‘security freaks’: Hack our startup and we’ll give you $25K<!-- Bot generated title -->]</ref><ref>[http://www.forbes.com/sites/benkepes/2013/12/19/hackers-heres-a-way-to-make-an-easy-25k// Hackers, Here's a Way To Make An Easy $25k<!-- Bot generated title -->]</ref><ref>[http://gigaom.com/2013/12/17/secure-cloud-firm-tresorit-boosts-hacker-bounty-to-25000/// Secure cloud firm Tresorit boosts hacker bounty to $25,000<!-- Bot generated title -->]</ref> The current reward is $50,000.


==Reception==
==Services==
Tresorit SecureCloud is an encrypted cloud storage which enables users to work together securely in the cloud.
Tresorit has received a number of nominations and awards. Up-Cloud Rewards named it one of the top 5 Cloud security solutions for 2012.<ref>[http://www.axxissolutions.com/up-cloud-computing-conference-start-cloud-awards-rankings-as-of-october-17-2012/ UP Cloud Computing Conference-Start Cloud Awards rankings as of October 17, 2012<!-- Bot generated title -->]</ref><ref>[http://web.archive.org/web/20130312114650/http://up-con.com/UP-StartFinalists awards | UP 2012 - Cloud Computing Conference 2012<!-- Bot generated title -->]</ref>


Tresorit FileSharing is a secure internal and external file sharing that allows users to stay in control when sending and receiving files externally.
==Storage prices==
Prices range from 10 EUR/month for 100 GB (Premium) to 20 EUR/month for 1000 GB (Business) or individual. There is the 'basic' offering which is free <ref>[https://tresorit.com/pricing/basic]</ref>


Tresorit EmailEncryption is a tool that works together with popular email services such as Microsoft Outlook or Google Gmail as a built-in module and enables the sending of secure emails.
Additional storage may be bought or could be gained through referral;<ref>[https://register.tresorit.com/refer Tresorit|]</ref><ref>[http://www.cbsnews.com/news/get-32gb-of-secure-cloud-storage-for-free/ Promotion: Get 32GB of secure cloud storage for free|]</ref> referral program was stopped in 2015.


Tresorit eSign is a function to digitally sign documents with a simple electronic signature (SES). The signature of each contracting party is linked to the document in question to prove their agreement with its content.<ref>{{Cite web |title=End-to-End Encrypted Cloud Storage for Businesses {{!}} Tresorit |url=https://tresorit.com/ |access-date=2024-01-30 |website=tresorit.com}}</ref>
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==See also==

⚫
* [[Cloud storage]]
==Reception==
⚫
* [[Remote backup service]]
In 2017, Tresorit was named one of the Rising Stars at [[Deloitte]]'s Technology Fast 50 Central Europe Award.<ref>{{Cite web |date=2017-10-13 |title=Növekedési rangsor: magyar adatbányászok és adattitkosítók is a régiós élmezőnyben {{!}} Forbes.hu |url=https://forbes.hu/uzlet/novekedesi-rangsor-magyar-adatbanyaszok-es-adattitokositok-a-regios-elmezonyben/ |access-date=2022-03-31 |website=Forbes |language=hu}}</ref> In 2019, Tresorit was named as a Global Leader in Cloud Computing at the Stratus Awards.<ref>{{Cite web|date=2019-10-24|title=Tresorit named a Global Leader in Cloud Computing|url=https://tresorit.com/blog/tresorit-named-secure-cloud-storage-leader-stratus-awards/|access-date=2021-12-15|website=Tresorit Blog|language=en}}</ref> In 2020, Tresorit was named a 2020 [[Gartner]] Peer Insights Customers' Choice for Content Collaboration Tools<ref>{{Cite web|date=2020-10-28|title=Tresorit Named a 2020 Gartner Peer Insights Customers' Choice|url=https://tresorit.com/blog/tresorit-named-a-2020-gartner-peer-insights-customers-choice-for-content-collaboration-tools/|access-date=2021-12-15|website=Tresorit Blog|language=en}}</ref> and was featured on FT1000 by [[Financial Times]] 2020 as the fifth fastest-growing cybersecurity company in Europe.<ref>{{Cite news |last=Kelly |first=Maxine |date=2020-03-02 |title=FT 1000: the fourth annual list of Europe's fastest-growing companies |work=Financial Times |url=https://www.ft.com/content/691390ca-53d9-11ea-90ad-25e377c0ee1f |access-date=2022-03-31}}</ref> In 2022, Tresorit was named a Customers’ Choice in the 2022 Gartner Peer Insights ‘Voice of the Customer’: Content Collaboration Tools for the second consecutive year.<ref>{{Cite web |date=2022-02-10 |title=Tresorit: 2022 Gartner Peer Insights Customers' Choice for Collaboration |url=https://tresorit.com/blog/tresorit-named-2022-gartner-peer-insights-customers-choice-for-the-second-year-in-a-row/ |access-date=2024-01-30 |website=Tresorit Blog |language=en}}</ref> Tresorit has attained the highest overall rating of 4.7 out of 5 in this category. In 2023, Tresorit won the Next Gen Zero Trust Award at the 11th Annual Global InfoSec Awards at the RSA Conference.<ref>{{Cite web |date=2023-04-24 |title=Tresorit Wins at the Global InfoSec Awards |url=https://tresorit.com/blog/tresorit-wins-at-the-global-infosec-awards-at-the-rsa-conference/ |access-date=2024-01-30 |website=Tresorit Blog |language=en}}</ref>

ITPro called Tresorit it a “seriously secure cloud collaboration and file-sharing service” that is "perfect for handling confidential data”.<ref>{{Cite web |last=updated |first=Dave Mitchell last |date=2021-02-04 |title=Tresorit Business Plus review: Perfect for handling confidential data |url=https://www.itpro.com/cloud/cloud-storage/358526/tresorit-business-plus-review |access-date=2024-01-30 |website=ITPro |language=en}}</ref> TechCrunch refers to Tresorit as the “early European pioneer” in end-to-end-encrypted cloud services<ref>{{Cite web |last=Lomas |first=Natasha |date=2021-07-08 |title=Swiss Post acquires e2e encrypted cloud services provider, Tresorit |url=https://techcrunch.com/2021/07/08/swiss-post-acquires-e2e-encrypted-cloud-services-provider-tresorit/ |access-date=2024-01-30 |website=TechCrunch |language=en-US}}</ref> while the Mashable highlights that Tresorit’s “strength lies in its security” as it offers end-to-end encryption and the ability to keep a very close eye on who is accessing users’ files.<ref>{{Cite web |last=Kero |first=Veronika |date=2022-05-31 |title=Best cloud storage services: Back up, share, and collaborate more easily |url=https://mashable.com/roundup/best-cloud-storage-services |access-date=2024-01-30 |website=Mashable |language=en}}</ref> Tresorit was featured as one of the secure file sharing tools in ''[[The New York Times]]'' Simple Online Security series<ref>{{Cite news |date=2022-04-22 |title=Simple Online Security: Sending Messages and Files Safely |url=https://www.nytimes.com/wirecutter/reviews/online-security-secure-messaging-apps/ |access-date=2024-01-30 |work=The New York Times |language=en-US |issn=0362-4331}}</ref> and was listed in ''The Mac Observer''<nowiki/>'s top five encrypted cloud storage services.<ref>{{Cite web |last=Orr |first=Andrew |date=2020-12-03 |title=Here are the Top 5 Encrypted Cloud Storage Services |url=https://www.macobserver.com/tips/quick-tip/5-encrypted-cloud-storage/ |access-date=2024-01-30 |website=The Mac Observer |language=en-US}}</ref>

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== See also ==
* [[Comparison of file hosting services]]
* [[Comparison of file hosting services]]
* [[Comparison of online backup services]]
* [[Comparison of online backup services]]
⚫
* [[Remote backup service]]


==References==
==References==
{{reflist}}
{{reflist}}


{{File hosting service}}
==External links==
{{official website|http://tresorit.com/}}


⚫
[[Category:File hosting]]
[[Category:File sharing services]]
[[Category:File sharing services]]
[[Category:Cloud storage]]
[[Category:Cloud applications]]
[[Category:Cloud applications]]
[[Category:Online backup services]]
[[Category:Online backup services]]
[[Category:Data synchronization]]
[[Category:Email attachment replacements]]
[[Category:Email attachment replacements]]
[[Category:File hosting for OS X]]
[[Category:File hosting]]
⚫
[[Category:File hosting for macOS]]
[[Category:File hosting for Windows]]
[[Category:File hosting for Windows]]
[[Category:File hosting for Linux]]
[[Category:MacOS software]]
[[Category:Linux software]]
[[Category:Cryptographic software]]
[[Category:Productivity software]]
[[Category:Companies' terms of service]]

Latest revision as of 07:19, 20 September 2024

Tresorit
Founded2011; 13 years ago (2011)
Founder
  • Istvan Lam
  • Szilveszter Szebeni
  • Gyorgy Szilagyi
HeadquartersZurich, Switzerland
ServicesCloud storage
OwnerSwiss Post
Websitetresorit.com

Tresorit is a cloud storage platform that offers functions for administration, storage, synchronization, and transfer of data using end-to-end encryption.[1][2]

Founded in 2011, Tresorit closed an €11.5M Series B financing round in 2018 and was featured on FT1000 by the Financial Times 2020[3] as the fifth fastest-growing cybersecurity company in Europe. In 2021, Swiss Post Communications Services acquired a majority stake in the company to expand its digital product portfolio. Tresorit works as an independent entity under Swiss Post.[4] which is now sole shareholder. The company has offices in Zurich, Switzerland; Munich, Germany; and Budapest, Hungary, employing around 100 people.

History

[edit]

Tresorit was founded in 2011 by Istvan Lam, Szilveszter Szebeni and Gyorgy Szilagyi with the aim of providing a secure alternative to traditional cloud storage solutions. In the coming years, Andrea Skaliczki joined as CFO, Istvan Hartung as CTO. The company officially launched its client-side encrypted cloud storage service after emerging from its stealth beta version in April 2014.

In 2013 and 2014, Tresorit hosted a hacking contest offering $10,000 to anyone who hacked their data encryption methods to gain access to their servers.[5] After some months, the reward was increased to $25,000 and later to $50,000, challenging experts from institutions like Harvard, Stanford or MIT.[6][7][8] The contest ran for 468 days and according to the company, nobody was able to break the encryption.[9]

In August 2015, Wuala (owned by LaCie and Seagate), a pioneer of secure cloud storage, announced it was closing its service after 7 years and recommended its users choose Tresorit as their secure cloud alternative.[10]

In 2016, Tresorit launched its NGO initiative with the aim of improving the digital security of non-profits and has gained notable recognition within the sector where the protection of sensitive information is paramount. More than 500 teams (human rights defenders, environmental activists, teams working on education and research, and many others from all over the world) joined Tresorit’s NGO program since then.[11]

In 2017, Tresorit patented its shareable encryption technology in the US under no. US 9563783 B2, and LogMeIn co-founder Marton Anka joined Tresorit as an investor and advisor.[citation needed]

In 2019, Tresorit reached the number of 100 employees, and Tresorit improved its governance feature set with e-mail verification and detailed user reports.

In 2020, during the COVID-19 pandemic, Tresorit offered free access to remote work solutions for public education and healthcare institutions. The company was named the 2020 Gartner Peer Insights Customers’ Choice for Content Collaboration Tools.[12]

In July 2021, Tresorit was acquired by the Swiss Post[13] to further expand its presence in its core German-speaking markets, including Germany, Austria, and Switzerland.

In 2022, Tresorit launched a new email encryption tool, added eSignature feature to its cloud collaboration platform and introduced qualified eSignatures for its Swiss customers.[citation needed]

In June 2023, Tresorit announced the appointment of István Hartung as CEO. The previous CEO and founder, István Lám, remained member of the Board of Tresorit Group but transitioned to the role of Director of Corporate Development.[citation needed]

Technology

[edit]

Tresorit uses AES 256 encryption.[14] With Tresorit's end-to-end encryption, every file and relevant metadata on user devices are encrypted with unique, randomly generated encryption keys. These keys are never sent to Tresorit's servers in an unencrypted format. Accessing files is only possible with a user's unique private decryption key.[15]

Tresorit uses random keys for each file and random IVs for each version of a file. The company claims that two identical files look completely different after encryption, thus they cannot be compared or matched.[16]

Tresorit provides client side zero-knowledge encryption,[17] across all platforms, even from web browsers. This ensures that no keys, passwords, files or any sensitive material ever get transferred in an unencrypted or reversible form. Encryption keys or unencrypted files are never visible to the servers or Tresorit administrators. Due to this zero-knowledge system, Tresorit does not even store passwords. Administrators of a business Tresorit account can reset user passwords, if the business has the feature "Advanced Control" turned on.[18] This design enhances user privacy and security.

Services

[edit]

Tresorit SecureCloud is an encrypted cloud storage which enables users to work together securely in the cloud.

Tresorit FileSharing is a secure internal and external file sharing that allows users to stay in control when sending and receiving files externally.

Tresorit EmailEncryption is a tool that works together with popular email services such as Microsoft Outlook or Google Gmail as a built-in module and enables the sending of secure emails.

Tresorit eSign is a function to digitally sign documents with a simple electronic signature (SES). The signature of each contracting party is linked to the document in question to prove their agreement with its content.[19]

Reception

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In 2017, Tresorit was named one of the Rising Stars at Deloitte's Technology Fast 50 Central Europe Award.[20] In 2019, Tresorit was named as a Global Leader in Cloud Computing at the Stratus Awards.[21] In 2020, Tresorit was named a 2020 Gartner Peer Insights Customers' Choice for Content Collaboration Tools[22] and was featured on FT1000 by Financial Times 2020 as the fifth fastest-growing cybersecurity company in Europe.[23] In 2022, Tresorit was named a Customers’ Choice in the 2022 Gartner Peer Insights ‘Voice of the Customer’: Content Collaboration Tools for the second consecutive year.[24] Tresorit has attained the highest overall rating of 4.7 out of 5 in this category. In 2023, Tresorit won the Next Gen Zero Trust Award at the 11th Annual Global InfoSec Awards at the RSA Conference.[25]

ITPro called Tresorit it a “seriously secure cloud collaboration and file-sharing service” that is "perfect for handling confidential data”.[26] TechCrunch refers to Tresorit as the “early European pioneer” in end-to-end-encrypted cloud services[27] while the Mashable highlights that Tresorit’s “strength lies in its security” as it offers end-to-end encryption and the ability to keep a very close eye on who is accessing users’ files.[28] Tresorit was featured as one of the secure file sharing tools in The New York Times Simple Online Security series[29] and was listed in The Mac Observer's top five encrypted cloud storage services.[30]

See also

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References

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  1. ^ Pickavance, Mark; updated, David Nield last (21 May 2020). "Tresorit cloud storage review". TechRadar. Retrieved 17 December 2021.
  2. ^ Wisdom Sablah (3 August 2021). "Tresorit cloud storage review 2021". ITProPortal. Retrieved 17 December 2021.
  3. ^ Kelly, Maxine (2 March 2021). "FT 1000: the fifth annual list of Europe's fastest-growing companies". Financial Times. Retrieved 15 December 2021.
  4. ^ "Swiss Post acquires e2e encrypted cloud services provider, Tresorit". TechCrunch. 8 July 2021. Retrieved 31 March 2022.
  5. ^ "Secure cloud storage outfit Tresorit posts $10K hacker bounty – Tech News and Analysis". Gigaom.com. 11 April 2013. Retrieved 18 June 2013.
  6. ^ Hungarian ‘security freaks’: Hack our startup and we’ll give you $25K
  7. ^ Hackers, Here's a Way To Make An Easy $25k
  8. ^ Secure cloud firm Tresorit boosts hacker bounty to $25,000
  9. ^ "Farewell, Wuala! Pioneering secure storage shuts down, recommends Tresorit". 17 August 2015.
  10. ^ "Wuala cloud storage was shut down, offers Tresorit as a secure alternative". wuala.com. Retrieved 31 March 2022.
  11. ^ "Tresorit for NGOs". Tresorit.
  12. ^ "Tresorit Receives Gartner Peer Insights Customers' Choice Distinction". ResponseSource Press Release Wire. 3 December 2020. Retrieved 30 January 2024.
  13. ^ "Swiss Post acquires e2e encrypted cloud services provider, Tresorit". TechCrunch. 8 July 2021. Retrieved 15 December 2021.
  14. ^ "Files shared via Tresorit". Tresorit. Retrieved 17 December 2021.
  15. ^ "Tresorit Encryption White Paper" (PDF). Tresorit.
  16. ^ "Cloud Storage Security - Secure Cloud Storage from Tresorit". tresorit.com. Retrieved 12 July 2023.
  17. ^ "What is Zero-Knowledge Encryption?". Tresorit Blog. 20 May 2016. Retrieved 15 December 2021.
  18. ^ "Switching on Advanced Control".
  19. ^ "End-to-End Encrypted Cloud Storage for Businesses | Tresorit". tresorit.com. Retrieved 30 January 2024.
  20. ^ "Növekedési rangsor: magyar adatbányászok és adattitkosítók is a régiós élmezőnyben | Forbes.hu". Forbes (in Hungarian). 13 October 2017. Retrieved 31 March 2022.
  21. ^ "Tresorit named a Global Leader in Cloud Computing". Tresorit Blog. 24 October 2019. Retrieved 15 December 2021.
  22. ^ "Tresorit Named a 2020 Gartner Peer Insights Customers' Choice". Tresorit Blog. 28 October 2020. Retrieved 15 December 2021.
  23. ^ Kelly, Maxine (2 March 2020). "FT 1000: the fourth annual list of Europe's fastest-growing companies". Financial Times. Retrieved 31 March 2022.
  24. ^ "Tresorit: 2022 Gartner Peer Insights Customers' Choice for Collaboration". Tresorit Blog. 10 February 2022. Retrieved 30 January 2024.
  25. ^ "Tresorit Wins at the Global InfoSec Awards". Tresorit Blog. 24 April 2023. Retrieved 30 January 2024.
  26. ^ updated, Dave Mitchell last (4 February 2021). "Tresorit Business Plus review: Perfect for handling confidential data". ITPro. Retrieved 30 January 2024.
  27. ^ Lomas, Natasha (8 July 2021). "Swiss Post acquires e2e encrypted cloud services provider, Tresorit". TechCrunch. Retrieved 30 January 2024.
  28. ^ Kero, Veronika (31 May 2022). "Best cloud storage services: Back up, share, and collaborate more easily". Mashable. Retrieved 30 January 2024.
  29. ^ "Simple Online Security: Sending Messages and Files Safely". The New York Times. 22 April 2022. ISSN 0362-4331. Retrieved 30 January 2024.
  30. ^ Orr, Andrew (3 December 2020). "Here are the Top 5 Encrypted Cloud Storage Services". The Mac Observer. Retrieved 30 January 2024.
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