Head to head · Checked against vendor sites, September 2026
Koi (Palo Alto Networks) vs Bloom Security: AI agent security compared
The verdict
Koi scores higher overall on our weights (7.1 vs 6.0 out of 10). Koi scores higher on tool-call control, footprint, identity and audit, maturity and breadth; Bloom Security does not score higher on any criterion. They tie on visibility and policy. Neither publishes list prices.
Koi (Palo Alto Networks Cortex Agentic Endpoint Security)
Owner: Palo Alto Networks (acquisition completed 14 April 2026)
Best for Palo Alto Cortex customers
Bloom Security
Best for endpoint software and extension inventory
How do Koi and Bloom Security compare on each criterion?
| Criterion | Weight | Koi | Bloom Security | Edge |
|---|---|---|---|---|
| Visibility | 22% | 9 | 9 | Tie |
Why these scoresKoi: Visibility into models, MCPs, extensions and packages on the endpoint, with risk scoring. Bloom Security: Discovers software, extensions, AI tools and everything running on the endpoint, with who built it and what it can access. | ||||
| Tool-call control | 20% | 7 | 6 | Koi |
Why these scoresKoi: Blocks unsafe AI application interactions and prevents prompt injections; tool-call level mechanics not published. Bloom Security: Defines what AI agents can access, execute and transmit and scales back overpermissioned MCP servers; runtime tool-call decisions not detailed. | ||||
| Policy | 15% | 7 | 7 | Tie |
Why these scoresKoi: Out-of-the-box policies and one-click removal of insecure packages, extensions and AI tools. Bloom Security: Blocks malicious or policy-violating packages and skills across npm, Chrome Web Store and Open VSX. | ||||
| Identity and audit | 12% | 5 | 4 | Koi |
Why these scoresKoi: Agent vs human attribution not described on the pages we reviewed. Bloom Security: Not described on the pages we reviewed. | ||||
| Footprint | 13% | 6 | 4 | Koi |
Why these scoresKoi: Agent-based; offered as a Cortex XDR module and as a standalone offering. Bloom Security: Deployment method not published. | ||||
| Breadth | 8% | 7 | 5 | Koi |
Why these scoresKoi: Palo Alto Networks is integrating Koi with Prisma AIRS for wider AI coverage. Bloom Security: Endpoint focused, including non-AI software. | ||||
| Maturity | 10% | 7 | 4 | Koi |
Why these scoresKoi: Acquisition completed 14 April 2026 by Palo Alto Networks; pricing not published. Bloom Security: Limited public company information; SOC 2 listed; investors and pricing not published. | ||||
| Total | 100% | 7.1 | 6.0 | Koi |
How do they deploy, and what do they cost?
| Attribute | Koi | Bloom Security |
|---|---|---|
| Owner | Palo Alto Networks (acquisition completed 14 April 2026) | Not acquired |
| How it reaches devices | Cortex XDR module or standalone agent | Not published |
| Deployment detail | Integrates with Cortex XDR as a module and is also available standalone as an agent-based deployment. If you run Cortex XDR, this is the lowest-friction path; if you run another EDR, expect a separate agent. | Not published on the pages we reviewed. |
| Pricing | Contact sales. Pricing is not published. | Contact sales. Pricing is not published. |
Source: Cortex Agentic Endpoint Security · Press release, 14 April 2026 · bloom.security · Bloom about · Reviewed Sep 2026
Which should you choose?
Choose Koi if
- Your priority matches our designation for Koi: best for Palo Alto Cortex customers.
- Vendor maturity, public documentation and backing weigh heavily in procurement: Koi scores 7 to 4.
- You want a light rollout with published deployment detail, ideally through existing EDR or MDM: Koi scores 6 to 4.
Choose Bloom Security if
- Your priority matches our designation for Bloom Security: best for endpoint software and extension inventory.
- Bloom Security does not score higher than Koi on any criterion; it ties on visibility and policy. It can still fit if it matches your existing stack.
Frequently asked questions
Which is better, Koi (Palo Alto Networks) or Bloom Security?
Koi scores higher overall on our weights (7.1 vs 6.0 out of 10). Koi scores higher on tool-call control, footprint, identity and audit, maturity and breadth; Bloom Security does not score higher on any criterion. They tie on visibility and policy. Scores are editorial assessments from public vendor material, reviewed September 2026.
Do Koi (Palo Alto Networks) and Bloom Security publish prices?
No. Neither publishes list prices, so ask both for a quote.
Do Koi (Palo Alto Networks) or Bloom Security replace EDR?
No. The tools in this guide add control over AI agent actions and work alongside EDR. Koi: Cortex XDR module or standalone agent. Bloom Security: Not published.
Related
Sources
- Cortex Agentic Endpoint Security · Reviewed Sep 2026
- Press release, 14 April 2026 · Reviewed Sep 2026
- bloom.security · Reviewed Sep 2026
- Bloom about · Reviewed Sep 2026