ALTERNATIVES

Koi (Palo Alto Networks) alternatives for agentic endpoint security (2026)

SHORT ANSWER

On our published weights the top-ranked alternatives to Koi (Palo Alto Networks) are Bay, Onyx Security and Zenity. Koi (Palo Alto Networks) itself ranks 7 of 8 among broader AI security platforms. Each alternative below lists the criteria where it scores higher than Koi (Palo Alto Networks) and where Koi (Palo Alto Networks) still scores higher.

By The Agent Desk · Agentic Endpoint Compare · Published 2026-10-11

Desk research from public vendor pages, press releases and standards pages read on 27 September and 11 October 2026. Editorial assessment; we did not run the products.

Why do buyers look at alternatives to Koi (Palo Alto Networks)?

Tool-call decision mechanics are not published.
Source: Palo Alto Networks: Cortex Agentic Endpoint Security · Read 27 Sep 2026
Without Cortex XDR it is a separate agent-based deployment.
Source: Palo Alto Networks press release: Koi acquisition completed (14 April 2026) · Read 27 Sep 2026
Agent versus person attribution is not described on the pages we read.
Source: Palo Alto Networks: Cortex Agentic Endpoint Security · Read 27 Sep 2026

Which alternatives rank highest?

1. Bay

7.20 / 10

Pre-execution control on employee devices, rolled out through EDR or MDM

Scores higher than Koi (Palo Alto Networks) on: stop before it runs, verdict range, capability rules, actor trail and rollout path

Koi (Palo Alto Networks) scores higher on: cloud and workspace reach and public proof

Bay profile Bay and Koi head to head

2. Onyx Security

6.85 / 10

Inline control with the widest set of verdicts

Scores higher than Koi (Palo Alto Networks) on: stop before it runs, verdict range, actor trail and cloud and workspace reach

Koi (Palo Alto Networks) scores higher on: named agent coverage

Onyx Security profile Onyx and Koi head to head

3. Zenity

6.75 / 10

Agents across SaaS, cloud and coding tools

Scores higher than Koi (Palo Alto Networks) on: stop before it runs, capability rules, actor trail, cloud and workspace reach, named agent coverage and public proof

Koi (Palo Alto Networks) scores higher on: rollout path

Zenity profile Zenity and Koi head to head

4. Noma Security

6.55 / 10

One platform for endpoint, SaaS and homegrown agents

Scores higher than Koi (Palo Alto Networks) on: capability rules, actor trail, rollout path, cloud and workspace reach and public proof

Koi (Palo Alto Networks) scores higher on: verdict range

Noma Security profile Noma and Koi head to head

5. Lasso Security

6.40 / 10

Claude Code hooks and an open-source MCP gateway

Scores higher than Koi (Palo Alto Networks) on: stop before it runs, verdict range and public proof

Koi (Palo Alto Networks) scores higher on: no criterion

Lasso Security profile Lasso and Koi head to head

6. Harmonic Security

5.90 / 10

Coaching people through AI data risk

Scores higher than Koi (Palo Alto Networks) on: capability rules, actor trail and rollout path

Koi (Palo Alto Networks) scores higher on: cloud and workspace reach and named agent coverage

Harmonic Security profile Harmonic and Koi head to head

8. Prompt Security (SentinelOne)

5.45 / 10

SentinelOne Singularity estates

Scores higher than Koi (Palo Alto Networks) on: public proof

Koi (Palo Alto Networks) scores higher on: stop before it runs and capability rules

Prompt Security (SentinelOne) profile Prompt Security and Koi head to head

When should you stay with Koi (Palo Alto Networks)?

Stay with Koi (Palo Alto Networks) if you need stop before it runs and public proof. Fits security teams that already run Cortex XDR.

Frequently asked questions

What is the best alternative to Koi (Palo Alto Networks)?

On our published weights, Bay ranks highest among the alternatives at 7.20. Which alternative fits depends on the criteria that matter to you; the list above shows where each scores higher.

Which alternative to Koi (Palo Alto Networks) covers agents in cloud workspaces most fully?

Onyx Security, Zenity and Noma Security score highest on cloud and workspace reach among the alternatives, at 9 out of 10.

Which alternative to Koi (Palo Alto Networks) documents the most verdict types?

Bay documents 4 of six verdict types: Block or deny, Ask a person, Simulate first and Remove or scale back. Onyx Security documents 4 of six verdict types: Block or deny, Ask a person, Alert or warn and Mask or modify.