HEAD TO HEAD
CrowdStrike Falcon Guardian matched with Onyx Security: agentic endpoint security compared
SHORT ANSWER
On our published weights Onyx Security scores higher overall, 6.85 to 6.25 out of 10. Falcon Guardian scores higher on actor trail, rollout path, named agent coverage and public proof; Onyx scores higher on verdict range, capability rules and cloud and workspace reach; they tie on stop before it runs. 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?
CrowdStrike Falcon Guardian
CrowdStrike
AI agent controls inside the Falcon platform
Rank 3 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 | CrowdStrike Falcon Guardian | Onyx Security | Higher |
|---|---|---|---|---|
| Stop before it runs | 25% | 8 / 10 Connects to Claude Code's hook events to check and block prompts and tool activity as they happen, and returns allow or block before a Copilot Studio agent runs a tool; CrowdStrike cites 100 ms or less detection latency from internal benchmark testing. Source: CrowdStrike blog: Falcon AIDR protects Copilot Studio agents and Claude Code (30 July 2026) · Read 13 Oct 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 | Tie |
| Verdict range | 15% | 2 / 10 Documents 1 of six verdict types: Block or deny. "Checks and blocks prompts and tool activity as they happen; automatic containment by blocking malicious agent behaviors." Source: CrowdStrike blog: Falcon AIDR protects Copilot Studio agents and Claude Code (30 July 2026) · Read 13 Oct 2026 Source: CrowdStrike blog: Falcon Guardian (1 September 2026) · Read 13 Oct 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 | Onyx |
| Capability rules | 15% | 5 / 10 Sets which supported AI agent types may run on managed endpoints, with policy assigned through Falcon host groups; rules by capability type are not itemized. Source: CrowdStrike blog: Falcon Guardian (1 September 2026) · Read 13 Oct 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 | Onyx |
| Actor trail | 10% | 8 / 10 Ties Claude Code events to a specific session and user in Falcon Next-Gen SIEM, and links prompts, tool calls and MCP servers to identity and downstream execution. Source: CrowdStrike blog: Falcon AIDR protects Copilot Studio agents and Claude Code (30 July 2026) · Read 13 Oct 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 | Falcon Guardian |
| Rollout path | 10% | 7 / 10 Delivered through the Falcon sensor; Claude Code coverage is a settings-file entry with no agent to install. SACR (secondary) adds browser extensions, gateway integrations, an SDK and an MCP proxy. Source: CrowdStrike blog: Falcon AIDR protects Copilot Studio agents and Claude Code (30 July 2026) · Read 13 Oct 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 | Falcon Guardian |
| Cloud and workspace reach | 10% | 8 / 10 Secures AI agents from endpoint to cloud and SaaS, including Copilot Studio agents; the AI gateway is listed as coming soon. Source: CrowdStrike: Falcon Guardian (formerly AIDR) product page · Read 13 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% | 2 / 10 Names 1 of the six agents we track: Claude Code. Source: CrowdStrike blog: Falcon AIDR protects Copilot Studio agents and Claude Code (30 July 2026) · Read 13 Oct 2026 | 0 / 10 Names 0 of the six agents we track: none. Source: Onyx Security: AI security platform · Read 27 Sep 2026 | Falcon Guardian |
| Public proof | 10% | 8 / 10 Part of the CrowdStrike Falcon platform with a documentation site and earlier releases as Falcon AIDR; Falcon Guardian is not priced on CrowdStrike's pricing page. Source: CrowdStrike: Falcon Guardian (formerly AIDR) product page · Read 13 Oct 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 | Falcon Guardian |
Which verdicts does each document?
| Verdict type | CrowdStrike Falcon Guardian | Onyx Security |
|---|---|---|
| Block or deny | Documented | Documented |
| Ask a person | Not described | Documented |
| Alert or warn | Not described | Documented |
| Mask or modify | Not described | Documented |
| Simulate first | Not described | Not described |
| Remove or scale back | Not described | Not described |
- CrowdStrike Falcon Guardian: "Checks and blocks prompts and tool activity as they happen; automatic containment by blocking malicious agent behaviors."
Source: CrowdStrike blog: Falcon AIDR protects Copilot Studio agents and Claude Code (30 July 2026) · Read 13 Oct 2026
Source: CrowdStrike blog: Falcon Guardian (1 September 2026) · Read 13 Oct 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?
CrowdStrike Falcon Guardian
Through the Falcon sensor; Claude Code coverage is a settings-file entry with no additional agent to install.
Source: CrowdStrike blog: Falcon AIDR protects Copilot Studio agents and Claude Code (30 July 2026) · Read 13 Oct 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 | CrowdStrike Falcon Guardian | Onyx Security |
|---|---|---|
| Claude Code | Named | Not named |
| Cursor | Not named | Not named |
| GitHub Copilot | Not named | Not named |
| OpenAI Codex | Not named | Not named |
| Windsurf | Not named | Not named |
| Claude Desktop | Not named | Not named |
| Named | 1 of 6 | 0 of 6 |
Which should you choose?
Choose CrowdStrike Falcon Guardian if you need stop before it runs and actor trail. CrowdStrike Falcon Guardian is best for: AI agent controls inside the Falcon platform.
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, CrowdStrike Falcon Guardian or Onyx Security?
On our published weights Onyx Security scores higher overall, 6.85 to 6.25 out of 10. See the criterion table above for where each scores higher.
Which stops an agent action before it runs more fully, CrowdStrike Falcon Guardian or Onyx Security?
They tie at 8. CrowdStrike Falcon Guardian: Connects to Claude Code's hook events to check and block prompts and tool activity as they happen, and returns allow or block before a Copilot Studio agent runs a tool; CrowdStrike cites 100 ms or less detection latency from internal benchmark testing. Onyx Security: Inspects every prompt, tool call and model response inline before acting on it.
Do CrowdStrike Falcon Guardian and Onyx Security publish prices?
CrowdStrike Falcon Guardian: not published. Falcon Guardian is not listed on CrowdStrike's pricing page, which shows Falcon Go, Pro and Enterprise bundles without it. Onyx Security: not published. Onyx Security publishes no pricing.