HEAD TO HEAD
Bay matched with Onyx Security: agentic endpoint security compared
SHORT ANSWER
On our published weights Bay scores higher overall, 7.20 to 6.85 out of 10. Bay scores higher on stop before it runs, capability rules, actor trail, rollout path and named agent coverage; Onyx scores higher on cloud and workspace reach and public proof; they tie on verdict range. 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?
Bay
Pre-execution control on employee devices, rolled out through EDR or MDM
Rank 1 of 6 among agentic endpoint vendors
Onyx Security
Inline control with the widest set of verdicts
Rank 2 of 8 among broader AI security platforms
Which scores higher on each criterion?
| Criterion | Weight | Bay | Onyx Security | Higher |
|---|---|---|---|---|
| Stop before it runs | 25% | 9 / 10 Evaluates prompts, pre-tool calls and post-tool responses on supported agent surfaces and returns Allow, Ask or Deny locally, stated as under 4ms (vendor-stated). Source: Bay blog: Ghostjacking (August 2026) · Read 27 Sep 2026 | 8 / 10 Inspects every prompt, tool call and model response inline before acting on it. Source: Onyx Security: AI security platform · Read 27 Sep 2026 | Bay |
| Verdict range | 15% | 7 / 10 Documents 4 of six verdict types: Block or deny, Ask a person, Simulate first and Remove or scale back. "Returns Allow, Ask or Deny; new rules can run in Simulation Mode first; MCP Control removes disallowed MCP servers in Enforcement mode." Source: Bay blog: Ghostjacking (re-read 11 October 2026) · Read 11 Oct 2026 Source: Bay homepage · Read 27 Sep 2026 | 7 / 10 Documents 4 of six verdict types: Block or deny, Ask a person, Alert or warn and Mask or modify. "Five actions: alert, block, mask, steer, or ask." Source: Onyx Security: AI security platform · Read 27 Sep 2026 | Tie |
| Capability rules | 15% | 9 / 10 Capability rules for shell and code execution, process spawning, package installation, cloud CLIs, containers, Kubernetes, browser automation and system changes, plus managed settings for Claude Code, Codex and Claude Desktop. Source: Bay blog: Ghostjacking (August 2026) · Read 27 Sep 2026 | 6 / 10 Agent posture covers misconfigurations, excessive permissions and credential handling; rules by capability type (shell, packages, cloud CLIs) are not itemized. Source: Onyx Security: AI security platform · Read 27 Sep 2026 | Bay |
| Actor trail | 10% | 8 / 10 Records who triggered an action, whether a human was involved, and the complete chain from prompt to system action. Source: Bay homepage · Read 27 Sep 2026 | 7 / 10 Agent identity and access governance is a named solution; per-action attribution detail is lighter than the leader. Source: Onyx Security homepage · Read 27 Sep 2026 | Bay |
| Rollout path | 10% | 9 / 10 Deploys through existing EDR or MDM as an ephemeral binary that runs and exits; described as agentless by design. Source: Bay blog: Ghostjacking (August 2026) · Read 27 Sep 2026 | 6 / 10 Endpoint agents, browser extensions, APIs and gateways; the device component is resident software. Source: Onyx Security: AI security platform · Read 27 Sep 2026 | Bay |
| Cloud and workspace reach | 10% | 3 / 10 Described as endpoint security for enterprise endpoints; its rules govern cloud CLIs, containers and Kubernetes called from the device, but bay.io, re-read on 11 October 2026, does not describe coverage for agents running in cloud workspaces or cloud-hosted apps. Source: Bay homepage (re-read 11 October 2026) · Read 11 Oct 2026 | 9 / 10 Covers cloud workloads alongside browser AI, coding assistants, desktop agents and MCP servers, across SaaS, cloud, endpoint and code. Source: Onyx Security: AI security platform · Read 27 Sep 2026 | Onyx |
| Named agent coverage | 5% | 5 / 10 Names 3 of the six agents we track: Claude Code, OpenAI Codex and Claude Desktop. Source: Bay blog: Ghostjacking (August 2026) · Read 27 Sep 2026 | 0 / 10 Names 0 of the six agents we track: none. Source: Onyx Security: AI security platform · Read 27 Sep 2026 | Bay |
| Public proof | 10% | 3 / 10 The smallest public footprint of the scored products: a single homepage, two blog posts, no documentation portal and no published pricing. Source: Bay homepage · Read 27 Sep 2026 | 7 / 10 Series B of $113M announced 29 July 2026; SOC 2 Type II and ISO 27001 listed; pricing not published. Source: Onyx Security blog: $113M Series B (29 July 2026) · Read 27 Sep 2026 | Onyx |
Which verdicts does each document?
| Verdict type | Bay | Onyx Security |
|---|---|---|
| Block or deny | Documented | Documented |
| Ask a person | Documented | Documented |
| Alert or warn | Not described | Documented |
| Mask or modify | Not described | Documented |
| Simulate first | Documented | Not described |
| Remove or scale back | Documented | Not described |
- Bay: "Returns Allow, Ask or Deny; new rules can run in Simulation Mode first; MCP Control removes disallowed MCP servers in Enforcement mode."
Source: Bay blog: Ghostjacking (re-read 11 October 2026) · Read 11 Oct 2026
Source: Bay homepage · Read 27 Sep 2026
- Onyx Security: "Five actions: alert, block, mask, steer, or ask."
Source: Onyx Security: AI security platform · Read 27 Sep 2026
How does each reach devices?
Bay
Through existing EDR or MDM using Wave, an ephemeral binary that runs, scans and exits. Bay describes the product as agentless by design.
Source: Bay blog: Ghostjacking (August 2026) · Read 27 Sep 2026
Onyx Security
Endpoint agents, browser extensions, APIs and gateways; Onyx says no SDK changes are needed.
Source: Onyx Security: AI security platform · Read 27 Sep 2026
Which agents does each name?
| Agent | Bay | Onyx Security |
|---|---|---|
| Claude Code | Named | Not named |
| Cursor | Not named | Not named |
| GitHub Copilot | Not named | Not named |
| OpenAI Codex | Named | Not named |
| Windsurf | Not named | Not named |
| Claude Desktop | Named | Not named |
| Named | 3 of 6 | 0 of 6 |
Which should you choose?
Choose Bay if you need stop before it runs and capability rules. Bay is best for: Pre-execution control on employee devices, rolled out through EDR or MDM.
Choose Onyx Security if you need cloud and workspace reach and stop before it runs. Onyx Security is best for: Inline control with the widest set of verdicts.
Frequently asked questions
Which is better for agentic endpoint security, Bay or Onyx Security?
On our published weights Bay scores higher overall, 7.20 to 6.85 out of 10. See the criterion table above for where each scores higher.
Which stops an agent action before it runs more fully, Bay or Onyx Security?
Bay scores higher on stopping an action before it runs (9 to 8). Bay: Evaluates prompts, pre-tool calls and post-tool responses on supported agent surfaces and returns Allow, Ask or Deny locally, stated as under 4ms (vendor-stated). Onyx Security: Inspects every prompt, tool call and model response inline before acting on it.
Do Bay and Onyx Security publish prices?
Bay: not published. Bay publishes no pricing. Demo requests go through bay.io/demo. Onyx Security: not published. Onyx Security publishes no pricing.