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Upstream Security

Herzliya, IL · Founded 2017 · 158 employees on LinkedIn · 10 known investors

Find your way into Upstream Security

546 people in our graph share verified history with the Upstream Security team — schools, employers, funds. One of them is your warm intro.

Arnon Dinurunlockedknows Yonatan Appel · together at Tel Aviv University (overlapped)
knows the team · via Imperva
×3knows the team · via Tel Aviv University
×3knows the team · via Glilot Capital Partners
×3knows the team · via Juniper Networks
knows the team · via The Open University of Israel

Upstream develops Ocean AI, an artificial intelligence tool for automotive and IoT cybersecurity that helps security analysts investigate threats in connected vehicles through a conversational interface for querying and analyzing security data.

AI & Machine LearningCybersecurityMobility & Transportation

Founders & leadership

Upstream Security was founded in 2017 by Yoav Levy and Yonatan Appel.

YLYoav Levy
Yoav LevyinCo-founder, CEOHe has over 17 years of experience in technology companies including management and business development roles at Checkpoint, Juniper Networks, and Broadcom.
YAYonatan Appel
Yonatan AppelinCo-founder, CTOCo-founder and CTO of Upstream Security, which develops AI tools for automotive and IoT cybersecurity. Appel has expertise in application security and network security.
RBRoy Bachar
Roy BacharinChief Business Officer
KCKeren Cohen
Keren CoheninChief Financial Officer
BH
Boaz HartalinChief Data & Platform Officer
OFOren Fridman
Oren FridmaninSVP Customer Success & Operations
OYOded Yarkoni
Oded YarkoniinVP Innovation
SSShira Sarid-Hausirer
Shira Sarid-HausirerinVP Marketing
RSRon Shragai
Ron ShragaiinVP Services
ASArnon Shafir
Arnon ShafirinVP Automotive Data Intelligence & AI
CAChen Arad
Chen AradinVP Human Resources
DM
Dekel MoshkainVP Engineering

Investors · 10

BMW i Ventures✓ verifiedMountain View · $10M
Glilot Capital Partners✓ verifiedHerzliya · $1.5M – $70M
Maniv Mobility✓ verifiedTel Aviv · $2M – $126M
Alliance VenturesAmsterdam
Cisco InvestmentsSan Jose
CRV (Charles River Ventures)Bay Area · $250K – $5M
Volvo Group Venture Capital ABGothenburg · $1.1M – $10.8M
Connect VenturesreportedLos Angeles
Roosh VenturesreportedKiev
Y Combinatorreported · 2 sourcesSan Francisco · $500K

Competitors · 1

by search overlap
Upstream22 shared keywordsUpstream Tech builds software for land and water management, including its Lens (geospatial monitoring) and HydroForecast (hydrological forecasting) products. It serves conservation organizations, governments, utilities, and companies working on conservation and clean energy applications.

Companies competing with Upstream Security for the same Google search keywords, organic and paid, via search-intersection analysis.

In the news

Upstream Raises $3 Million To Rebuild Email As A Native Surface For AI Agentspulse2.com · Jun 2026Upstream Raises $3M Pre-seedthesaasnews.com · Jun 2026UPSTREAM raises $3 million on a counterintuitive bet: the future of work still runs through email - STARTUP IN EUROPEstartup-in-europe.com · Jun 2026Upstream Raises $3.0M Pre | Signalbasetrysignalbase.com · Jun 2026YC-backed French startup Upstream raises $3M to rebuild email in the era of AI agents — TFNtechfundingnews.com · Jun 2026Upstream raises $3M to launch collaborative AI inbox backed by YC and Xavier Niel - Tech.eutech.eu · Jun 2026

Frequently asked questions

What does Upstream Security do?
Upstream develops Ocean AI, an artificial intelligence tool for automotive and IoT cybersecurity that helps security analysts investigate threats in connected vehicles through a conversational interface for querying and analyzing security data.
Who founded Upstream Security?
Upstream Security was founded by Yoav Levy, Yonatan Appel in 2017.
Who are Upstream Security's investors?
Upstream Security's investors include BMW i Ventures, Glilot Capital Partners, Maniv Mobility, Alliance Ventures, Cisco Investments, CRV (Charles River Ventures), Volvo Group Venture Capital AB, Connect Ventures and 2 more.
Where is Upstream Security headquartered?
Upstream Security is headquartered in Herzliya, IL.