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{{short description|'''Israeli-founded cloud-security company set up in 2022 by Amiram Shachar, a former officer in the IDF's Mamram computer unit; valued at $3.8 billion in 2026'''}}
{{Infobox company
| name = Upwind Security
| trade_name = Upwind
| logo = Upwind_Security_logo.png
| image_size = 220px
| caption = Upwind logo
| type = Private company
| founded = {{Start date|2022}}
| founder = [[Amiram Shachar]], [[Liran Polak]], [[Lavi Ferdman]], [[Tal Zuri]]
| hq_location = San Francisco, California (according to ''TechCrunch'')
| industry = Cyber security
| services = Cloud security platform (runtime protection, cloud detection and response, vulnerability management, identity and container security)
| homepage = [https://www.upwind.io/ upwind.io]
}}
'''Upwind Security''' (Upwind) is a cloud-security company founded in 2022 by [[Amiram Shachar]], who had previously founded [[Spot.io]], and three of his partners from that company. ''[[Calcalist|Ctech]]'' describes it as an Israeli company and reports that Shachar "served for six years as an officer in the IDF's Mamram unit, where he managed the military's data center infrastructure" ([[Israel Defense Forces]]; [[Mamram]]).<ref name="CtechUpwind2026">Meir Orbach, [https://www.calcalistech.com/ctechnews/article/rkoe111h8be Cyber startup Upwind joins unicorn club with $250 million Series B at $1.5 billion valuation] ''Ctech'', 26 January 2026, accessed 10 November 2026.</ref> ''TechCrunch'' calls it "a San Francisco startup". In October 2026 it raised $400 million at a valuation of $3.8 billion after turning down an acquisition offer from [[Datadog]].<ref name="TCUpwind2026">Marina Temkin, [https://techcrunch.com/2026/10/28/upwind-raises-400m-after-walking-away-from-datadog-acquisition-offer/ Upwind raises $400M after walking away from Datadog acquisition offer] ''TechCrunch'', 28 October 2026, accessed 10 November 2026.</ref>

== Founders and military service ==
According to ''Ctech'', Upwind was founded in 2022 by its chief executive, [[Amiram Shachar]], "along with his founding partners from Spot.io (acquired by NetApp for $450 million in 2020): Liran Polak, Lavi Ferdman, and Tal Zuri" ([[Liran Polak]], [[Lavi Ferdman]], [[Tal Zuri]]; [[NetApp]]).<ref name="CtechUpwind2026"/>

''Ctech'' describes Shachar as "Upwind's founder and most prominent figure" and reports: "He served for six years as an officer in the IDF's Mamram unit, where he managed the military's data center infrastructure and led the first implementation of virtualization technologies, including VMware, within the IDF." [[Mamram]] is the computer unit of the [[Israel Defense Forces]]. In 2015 Shachar founded [[Spot.io]] (originally Spotinst), which [[NetApp]] bought in 2020 for $450 million; he then served as a vice-president and general manager at NetApp.<ref name="CtechUpwind2026"/>

== Funding ==
In January 2026 Upwind announced a $250 million Series B round at a $1.5 billion valuation, led by [[Bessemer Venture Partners]]. ''Ctech'' reported that its previous round, in late 2024, had raised $100 million at an estimated valuation of $800–900 million, and that in July 2025 it had been reported to be in talks to be acquired by [[Datadog]] for about $1 billion. The company listed [[Siemens]], [[Peloton]], [[Roku]] and [[Nubank|NuBank]] among its customers.<ref name="CtechUpwind2026"/>

On 28 October 2026 ''TechCrunch'' reported that Upwind had raised a $400 million Series C at a $3.8 billion valuation, led by Bessemer with [[Greylock Partners]] and [[Craft Ventures]]. Citing "a person familiar with Upwind", it said that the round nearly fell apart after Datadog tried to buy the company, but that Datadog "didn't offer a premium above the $3.8 billion valuation set by venture capital investors", so Upwind decided to stay independent.<ref name="TCUpwind2026"/>

== See also ==
* [[Cyber and tech firms founded by ex Unit 8200 or occupation forces veterans]]
* [[Israel Defense Forces]]

== External links ==
* [https://www.upwind.io/ Official website]

== Notes ==
<references/>

[[Category:Israel]]
[[Category:Companies]]
[[Category:IDF]]
[[Category:Security Industry]]

Upwind Security - Revision history

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