Koi gives security teams full visibility and control over extensions, packages, apps, and modelsâdetect risks, enforce policy, and protect endpoints.
Location: Israel
Total raised: $48M
Funding Rounds 1
| Date | Series | Amount | Investors |
| 11.09.2025 | - | $48M | NFX |
Mentions in press and media 4
| Date | Title | Description |
| 11.09.2025 | Endpoint cybersecurity firm Koi raises $48M to stop attacks against enterprise networks Send us a News Tip EXTRACT THE SIGNAL FROM THE NOISE Cookies | Koi Security Inc., a startup providing cybersecurity for enterprise endpoints, announced Wednesday it has raised $48 million in early-stage funding to protect businesses against the growing risk surrounding self-installed software and other... |
| 10.09.2025 | Koi Raises $48M in Seed and Series A Funding | Koi, a Washington, DC-based endpoint security startup, raised $48M in seed and Series A funding, including a $38M Series A. The rounds were led by Battery Ventures, Team8, Picture Capital, and NFX, with participation from Cerca Partners. Fo... |
| - | Don’t Let Your Staff Download These Browser Extensions | Browser extensions are a modern fact of online life. And with good reason – they can help to streamline our everyday computing headaches, enhance the browsing experience (thank you, Ad Blocker), and even reduce eye strain. It’s because of t... |
| - | Koi | “Koi gives security teams full visibility and control over extensions, packages, apps, and models—detect risks, enforce policy, and protect endpoints.” |