HEAD TO HEAD
Harmonic Security matched with Lasso Security: agentic endpoint security compared
SHORT ANSWER
On our published weights Lasso Security scores higher overall, 6.40 to 5.90 out of 10. Harmonic scores higher on capability rules, actor trail and rollout path; Lasso scores higher on stop before it runs, verdict range, cloud and workspace reach, named agent coverage and public proof. 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?
Harmonic Security
Coaching people through AI data risk
Rank 6 of 8 among broader AI security platforms
Lasso Security
Claude Code hooks and an open-source MCP gateway
Rank 5 of 8 among broader AI security platforms
Which scores higher on each criterion?
| Criterion | Weight | Harmonic Security | Lasso Security | Higher |
|---|---|---|---|---|
| Stop before it runs | 25% | 7 / 10 Governs at the MCP layer and at the tool surface and can block in real time. Source: Harmonic Security: Harmonic Command · Read 27 Sep 2026 | 8 / 10 Inspects every Claude Code tool call before it is executed through the agent's lifecycle hooks, and gates MCP traffic through its gateway. Source: Lasso Security: AI coding assistants · Read 27 Sep 2026 | Lasso |
| Verdict range | 15% | 3 / 10 Documents 2 of six verdict types: Block or deny and Alert or warn. "Block in real time, warn the employee with context, or log silently." Source: Harmonic Security homepage · Read 27 Sep 2026 | 5 / 10 Documents 3 of six verdict types: Block or deny, Alert or warn and Mask or modify. "MCP actions block, alert or sanitize; masks sensitive data before prompts reach third-party models." Source: Lasso Security: MCP security · Read 27 Sep 2026 Source: Lasso Security: AI usage control · Read 27 Sep 2026 | Lasso |
| Capability rules | 15% | 7 / 10 Harmonic Command sets which systems agents can read, write to and act on. Source: Harmonic Security: Harmonic Command · Read 27 Sep 2026 | 6 / 10 Controls which users and teams can connect to which MCP servers, with role-based permissions and DLP; broader capability rules are not itemized. Source: Lasso Security: MCP security · Read 27 Sep 2026 | Harmonic |
| Actor trail | 10% | 6 / 10 Unified governance for people and agents; per-action attribution is not detailed. Source: Harmonic Security: Harmonic Command · Read 27 Sep 2026 | 5 / 10 Keeps a history of inputs, policy decisions and enforcement actions; agent versus person attribution is not described. Source: Lasso Security: AI usage control · Read 27 Sep 2026 | Harmonic |
| Rollout path | 10% | 8 / 10 Rolls out through Intune, JAMF, Kandji or Group Policy. Source: Harmonic Security homepage · Read 27 Sep 2026 | 6 / 10 Browser extension, proxy, gateway and Claude Code hooks: several components to run. Source: Lasso Security: AI usage control · Read 27 Sep 2026 | Harmonic |
| Cloud and workspace reach | 10% | 4 / 10 Browser, desktop, CLI, MCP gateway and API surfaces; agents running in cloud workspaces or cloud apps are not described. Source: Harmonic Security homepage · Read 27 Sep 2026 | 6 / 10 Runtime enforcement at the proxy, API or AI gateway layer reaches AI apps beyond the laptop; agents in cloud workspaces are not described. Source: Lasso Security homepage · Read 27 Sep 2026 | Lasso |
| Named agent coverage | 5% | 3 / 10 Names 2 of the six agents we track: Claude Code and GitHub Copilot. Source: Harmonic Security pricing (re-read 11 October 2026) · Read 11 Oct 2026 | 5 / 10 Names 3 of the six agents we track: Claude Code, Cursor and Windsurf. Source: Lasso Security: AI coding assistants · Read 27 Sep 2026 Source: Lasso Security: MCP security · Read 27 Sep 2026 | Lasso |
| Public proof | 10% | 7 / 10 Tier names are published (Explore, Guide, Command) but no prices. Source: Harmonic Security pricing · Read 27 Sep 2026 | 8 / 10 Lists Lasso for Employees at $20,000 per 12 months on AWS Marketplace (marketplace list price), and its newsroom describes a $30 million round led by ClearSky in September 2026. Source: AWS Marketplace: Lasso for Employees · Read 11 Oct 2026 | Lasso |
Which verdicts does each document?
| Verdict type | Harmonic Security | Lasso Security |
|---|---|---|
| Block or deny | Documented | Documented |
| Ask a person | Not described | Not described |
| Alert or warn | Documented | Documented |
| Mask or modify | Not described | Documented |
| Simulate first | Not described | Not described |
| Remove or scale back | Not described | Not described |
- Harmonic Security: "Block in real time, warn the employee with context, or log silently."
Source: Harmonic Security homepage · Read 27 Sep 2026
- Lasso Security: "MCP actions block, alert or sanitize; masks sensitive data before prompts reach third-party models."
Source: Lasso Security: MCP security · Read 27 Sep 2026
Source: Lasso Security: AI usage control · Read 27 Sep 2026
How does each reach devices?
Harmonic Security
Intune, JAMF, Kandji or Group Policy.
Source: Harmonic Security homepage · Read 27 Sep 2026
Lasso Security
Browser extension, proxy integrations, the MCP gateway and Claude Code hooks through the enterprise management platform; works with stacks such as Palo Alto Networks or CrowdStrike.
Source: Lasso Security: AI usage control · Read 27 Sep 2026
Which agents does each name?
| Agent | Harmonic Security | Lasso Security |
|---|---|---|
| Claude Code | Named | Named |
| Cursor | Not named | Named |
| GitHub Copilot | Named | Not named |
| OpenAI Codex | Not named | Not named |
| Windsurf | Not named | Named |
| Claude Desktop | Not named | Not named |
| Named | 2 of 6 | 3 of 6 |
Which should you choose?
Choose Harmonic Security if you need rollout path and stop before it runs. Harmonic Security is best for: Coaching people through AI data risk.
Choose Lasso Security if you need stop before it runs and public proof. Lasso Security is best for: Claude Code hooks and an open-source MCP gateway.
Frequently asked questions
Which is better for agentic endpoint security, Harmonic Security or Lasso Security?
On our published weights Lasso Security scores higher overall, 6.40 to 5.90 out of 10. See the criterion table above for where each scores higher.
Which stops an agent action before it runs more fully, Harmonic Security or Lasso Security?
Lasso Security scores higher on stopping an action before it runs (8 to 7). Harmonic Security: Governs at the MCP layer and at the tool surface and can block in real time. Lasso Security: Inspects every Claude Code tool call before it is executed through the agent's lifecycle hooks, and gates MCP traffic through its gateway.
Do Harmonic Security and Lasso Security publish prices?
Harmonic Security: not published. Three tiers are named (Explore, Guide, Command); prices are not published. Lasso Security: AWS Marketplace list price: $20,000 per 12 months (Lasso for Employees, GenAI Chatbots annual commit). Marketplace list price for one listing. Other listings, such as Lasso for Secured Gateway for LLMs, were not priced on the pages we read; lasso.security publishes no pricing.