HEAD TO HEAD
Koi (Palo Alto Networks) matched with Noma Security: agentic endpoint security compared
SHORT ANSWER
On our published weights Noma Security scores higher overall, 6.55 to 5.75 out of 10. Koi scores higher on verdict range; Noma scores higher on capability rules, actor trail, rollout path, cloud and workspace reach and public proof; they tie on stop before it runs and named agent coverage. Which fits depends on which of those criteria matters most to you.
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.
How do they compare at a glance?
Koi (Palo Alto Networks)
Palo Alto Networks (acquisition completed 14 April 2026)
Palo Alto Networks Cortex XDR estates
Rank 7 of 8 among broader AI security platforms
Noma Security
One platform for endpoint, SaaS and homegrown agents
Rank 4 of 8 among broader AI security platforms
Which scores higher on each criterion?
| Criterion | Weight | Koi (Palo Alto Networks) | Noma Security | Higher |
|---|---|---|---|---|
| Stop before it runs | 25% | 7 / 10 Stops malicious actions, blocks unsafe AI application interactions and prevents prompt injections; tool-call decision mechanics are not published. Source: Palo Alto Networks: Cortex Agentic Endpoint Security · Read 27 Sep 2026 | 7 / 10 Blocks unauthorized and malicious agents and stops risky behavior at runtime; per-tool-call mechanics are described less specifically. Source: Noma Security: endpoint agents · Read 27 Sep 2026 | Tie |
| Verdict range | 15% | 3 / 10 Documents 2 of six verdict types: Block or deny and Remove or scale back. "Stops malicious actions and offers one-click removal of insecure packages, extensions and AI tools." Source: Palo Alto Networks: Cortex Agentic Endpoint Security · Read 27 Sep 2026 | 2 / 10 Documents 1 of six verdict types: Block or deny. "Blocks unauthorized and malicious agents and stops risky behavior at runtime." Source: Noma Security: endpoint agents · Read 27 Sep 2026 | Koi |
| Capability rules | 15% | 6 / 10 Out-of-the-box policies, agent runtime custom policies and one-click removal of insecure packages, extensions and AI tools. Source: Palo Alto Networks blog: A Quarter of Innovation with Koi Agentic Endpoint Security (18 August 2026) · Read 11 Oct 2026 | 7 / 10 Agent Access Control keeps a live registry of allowed agents, MCP servers and skills and enforces access policies. Source: Noma Security: endpoint agents · Read 27 Sep 2026 | Noma |
| Actor trail | 10% | 5 / 10 Agent versus person attribution is not described on the pages we read. Source: Palo Alto Networks: Cortex Agentic Endpoint Security · Read 27 Sep 2026 | 7 / 10 Inspects the identity behind each agent along with the event, the session and the data it reaches. Source: Noma Security: endpoint agents · Read 27 Sep 2026 | Noma |
| Rollout path | 10% | 6 / 10 Agent-based: a Cortex XDR module or a standalone offering. Source: Palo Alto Networks press release: Koi acquisition completed (14 April 2026) · Read 27 Sep 2026 | 8 / 10 Discovers endpoint agents through existing EDR or MDM with no new endpoint agent to deploy. Source: Noma Security: endpoint agents · Read 27 Sep 2026 | Noma |
| Cloud and workspace reach | 10% | 6 / 10 An endpoint product; Palo Alto Networks is integrating Koi with Prisma AIRS for wider AI coverage. Source: Palo Alto Networks press release: Koi acquisition completed (14 April 2026) · Read 27 Sep 2026 | 9 / 10 Covers endpoint, SaaS and homegrown agents, with AI-SPM across cloud, SaaS and developer environments. Source: Noma Security homepage · Read 27 Sep 2026 | Noma |
| Named agent coverage | 5% | 5 / 10 Names 3 of the six agents we track: Claude Code, Cursor and OpenAI Codex. Source: Palo Alto Networks blog: A Quarter of Innovation with Koi Agentic Endpoint Security (18 August 2026) · Read 11 Oct 2026 | 5 / 10 Names 3 of the six agents we track: Claude Code, Cursor and OpenAI Codex. Source: Noma Security: endpoint agents · Read 27 Sep 2026 | Tie |
| Public proof | 10% | 7 / 10 Acquisition by Palo Alto Networks completed 14 April 2026; pricing not published. Source: Palo Alto Networks press release: Koi acquisition completed (14 April 2026) · Read 27 Sep 2026 | 8 / 10 Lists a 12-month contract at $200,000 on AWS Marketplace (marketplace list price; no pricing on noma.security), announced a $100M Series B on 31 July 2025, and lists SOC 2, ISO 27001, ISO 9001 and HIPAA. Source: AWS Marketplace: Noma Security Platform · Read 11 Oct 2026 | Noma |
Which verdicts does each document?
| Verdict type | Koi (Palo Alto Networks) | Noma Security |
|---|---|---|
| Block or deny | Documented | Documented |
| Ask a person | Not described | Not described |
| Alert or warn | Not described | Not described |
| Mask or modify | Not described | Not described |
| Simulate first | Not described | Not described |
| Remove or scale back | Documented | Not described |
- Koi (Palo Alto Networks): "Stops malicious actions and offers one-click removal of insecure packages, extensions and AI tools."
Source: Palo Alto Networks: Cortex Agentic Endpoint Security · Read 27 Sep 2026
- Noma Security: "Blocks unauthorized and malicious agents and stops risky behavior at runtime."
Source: Noma Security: endpoint agents · Read 27 Sep 2026
How does each reach devices?
Koi (Palo Alto Networks)
A Cortex XDR module, or a standalone agent-based offering.
Source: Palo Alto Networks press release: Koi acquisition completed (14 April 2026) · Read 27 Sep 2026
Noma Security
Through existing EDR or MDM, with no new endpoint agent to deploy (endpoint discovery).
Source: Noma Security: endpoint agents · Read 27 Sep 2026
Which agents does each name?
| Agent | Koi (Palo Alto Networks) | Noma Security |
|---|---|---|
| Claude Code | Named | Named |
| Cursor | Named | Named |
| GitHub Copilot | Not named | Not named |
| OpenAI Codex | Named | Named |
| Windsurf | Not named | Not named |
| Claude Desktop | Not named | Not named |
| Named | 3 of 6 | 3 of 6 |
Which should you choose?
Choose Koi (Palo Alto Networks) if you need stop before it runs and public proof. Koi (Palo Alto Networks) is best for: Palo Alto Networks Cortex XDR estates.
Choose Noma Security if you need cloud and workspace reach and rollout path. Noma Security is best for: One platform for endpoint, SaaS and homegrown agents.
Frequently asked questions
Which is better for agentic endpoint security, Koi (Palo Alto Networks) or Noma Security?
On our published weights Noma Security scores higher overall, 6.55 to 5.75 out of 10. See the criterion table above for where each scores higher.
Which stops an agent action before it runs more fully, Koi (Palo Alto Networks) or Noma Security?
They tie at 7. Koi (Palo Alto Networks): Stops malicious actions, blocks unsafe AI application interactions and prevents prompt injections; tool-call decision mechanics are not published. Noma Security: Blocks unauthorized and malicious agents and stops risky behavior at runtime; per-tool-call mechanics are described less specifically.
Do Koi (Palo Alto Networks) and Noma Security publish prices?
Koi (Palo Alto Networks): not published. Palo Alto Networks publishes no pricing for Cortex Agentic Endpoint Security. Noma Security: AWS Marketplace list price: $200,000 per 12 months (Noma Security Platform, 12-month contract). Marketplace list price. noma.security publishes no pricing (its /pricing page returns Page Not Found).