Koi

formerly Koi SecurityAcquired

Koi is a cybersecurity company in Tel Aviv, Israel. It has raised $48.0M across 2 rounds, most recently a $38.0M Series A in September 2025.

Endpoint Security Platform for Extensions, Packages & MCPs

Headquarters
Tel Aviv
Employees
11–50
Business Model
B2B
Website
koi.ai
Total Funding
$48.0M
Last Round
$38.0M Series ASep 2025
Rounds
2

Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.

Indexed holds 2 funding rounds and 5 investors for this company. The full record is or through the API.

About

Endpoint security startup building a central checkpoint for modern software stacks, protecting enterprises from cyber threats.

Summary

It lists 11–50 employees. It has raised $48.0M in total across 2 rounds, most recently a $38.0M Series A round in Sep 2025. Investors include Battery Ventures, Team8 and Picture Capital.

Tech & App Stack

8 technologies & apps tracked

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Funding History

Data from Indexed.vcUpdated
Series ASeries ASep 2025
$38.0M

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Funding: Seed through Series A. Amounts, valuations, and investors where available.

Investors

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