Agent Security Indexbeta

Pluto Security

Quick answer: Pluto Security is a commercial agent runtime security and posture platform from Pluto Security. Endpoint-based security for the AI tools and agents that employees use and build. It discovers AI tools, agents, skills, plugins, extensions, MCP servers and AI-generated apps across endpoints, cloud, sandboxes and SaaS, watches what agents do at runtime and enforces intent-based policies without blocking AI tools outright. Came out of stealth on Oct 13, 2026 with $42M in funding and says it secures more than 1.5 million endpoints (vendor-reported). It also publishes an open-source toolkit called Plutonium.
Commercial
Pluto Security at a glance
CategoryAgent runtime security & posture
Official sitepluto.security/
MakerPluto Security
Ownership / acquisitionNot published / not yet verified
License modelCommercial
LicenseNot published / not yet verified
Public pricingNot published / not yet verified
Source codeNot published / not yet verified
Last verified

Facts are taken from the vendor's own site, GitHub, or a linked public source. Blank means we could not confirm it, not that it does not exist. Vendors can request a correction for free.

Lab result

Not yet tested. Lab testing is in preparation. No tool on the site has a lab result yet.

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Frequently asked questions

What is Pluto Security?

Pluto Security is a commercial agent runtime security and posture platform from Pluto Security. Endpoint-based security for the AI tools and agents that employees use and build. It discovers AI tools, agents, skills, plugins, extensions, MCP servers and AI-generated apps across endpoints, cloud, sandboxes and SaaS, watches what agents do at runtime and enforces intent-based policies without blocking AI tools outright. Came out of stealth on Oct 13, 2026 with $42M in funding and says it secures more than 1.5 million endpoints (vendor-reported). It also publishes an open-source toolkit called Plutonium.

Is Pluto Security open source?

No. We list Pluto Security as a commercial product, and no public source repository is recorded for it.

How much does Pluto Security cost?

We could not verify public pricing for Pluto Security on its official site as of November 4, 2026. Contact Pluto Security for a quote.

Who makes Pluto Security?

Pluto Security.

What are alternatives to Pluto Security?

Other agent runtime security and posture platforms listed here include Pillar Security, Prisma AIRS, Cisco AI Defense, HiddenLayer and Zenity. See all 23 in Agent runtime security & posture.