Acquisition History / Palo Alto Networks / Koi Security
Palo Alto Networks Acquires Koi Security
Announced February 17, 2026 — $400M
What happened
Koi is a one-year-old Israeli startup targeting risks from autonomous AI agents operating inside corporate systems. Palo Alto Networks acquired it for US$400M.
- Acquirer
- Palo Alto Networks
- Target
- Koi Security
- Announced
- February 17, 2026
- Price
- $400M
- Industry
- AI agent security
- Buyer type
- Strategic acquirer
- Status
- Announced, not yet closed
By the numbers
Frequently Asked Questions About This Acquisition
When did Palo Alto Networks acquire Koi Security?
Palo Alto Networks acquired Koi Security on February 17, 2026. This was Palo Alto Networks's 2nd publicly tracked acquisition out of 2 we have on record.
How much did Palo Alto Networks pay for Koi Security?
Palo Alto Networks paid $400M for Koi Security.
What does Koi Security do?
Koi is a one-year-old Israeli startup targeting risks from autonomous AI agents operating inside corporate systems. Palo Alto Networks acquired it for US$400M.
What other AI agent security companies has Palo Alto Networks acquired?
Koi Security is Palo Alto Networks's only publicly tracked acquisition in AI agent security so far.
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