Best AI Security markBest AI Security

Head to head · Checked against vendor sites, September 2026

Noma Security vs Harmonic Security: AI agent security compared

The verdict

Noma Security scores higher overall on our weights (7.5 vs 7.1 out of 10). Noma Security scores higher on visibility, identity and audit and breadth; Harmonic Security scores higher on policy. They tie on tool-call control, footprint and maturity. Neither publishes list prices. Harmonic Security publishes tier names.

Noma Security

Best for endpoint plus SaaS and homegrown agents

Read the Noma Security review

Harmonic Security

Best for data protection in everyday AI use

Read the Harmonic Security review

How do Noma Security and Harmonic Security compare on each criterion?

Endpoint AI control score, editorial assessment 0-10. Edge is the higher score on each row.
CriterionWeightNoma SecurityHarmonic SecurityEdge
Visibility22%87Noma Security
Why these scores

Noma Security: Discovers endpoint agents such as Claude Code, Cursor and Codex with their MCP servers and skills.

Harmonic Security: Finds AI tool use across browsers, desktop apps and CLI tools, including local tools on devices.

Tool-call control20%77Tie
Why these scores

Noma Security: Blocks unauthorized and malicious agents and stops risky behavior at runtime; per-tool-call mechanics are described less specifically.

Harmonic Security: Governs at the MCP layer and tool surface, with permissions for what agents can read, write to and act on.

Policy15%78Harmonic Security
Why these scores

Noma Security: Runtime inspection across the event, the session, the identity behind the agent and the data it reaches; action types beyond block not detailed.

Harmonic Security: Block in real time, warn the employee with context, or log silently; data classification by work intent.

Identity and audit12%76Noma Security
Why these scores

Noma Security: Keeps a live registry of allowed agents, MCP servers and skills and inspects the identity behind each agent.

Harmonic Security: Unified governance for humans and agents in Harmonic Command; per-action attribution not detailed.

Footprint13%88Tie
Why these scores

Noma Security: Discovers endpoint agents through existing EDR or MDM with no new endpoint agent to deploy.

Harmonic Security: Rolls out through Intune, JAMF, Kandji or Group Policy with no proxy redesign.

Breadth8%96Noma Security
Why these scores

Noma Security: Covers endpoint, SaaS and homegrown agents, plus AI-SPM and AI red teaming.

Harmonic Security: Centered on data protection in AI use; browser, desktop, MCP and API surfaces.

Maturity10%77Tie
Why these scores

Noma Security: SOC 2, ISO 27001, ISO 9001 and HIPAA listed; Gartner recognition cited by the vendor; pricing not published.

Harmonic Security: Publishes named packaging tiers (Explore, Guide, Command) but no prices.

Total100%7.57.1Noma Security

How we score

How do they deploy, and what do they cost?

Published facts, reviewed September 2026.
AttributeNoma SecurityHarmonic Security
OwnerNot acquiredNot acquired
How it reaches devicesThrough existing EDR or MDMIntune, JAMF, Kandji or Group Policy
Deployment detailNoma states that it discovers agents, MCP servers and skills on employee endpoints through your existing EDR or MDM, with no new endpoint agent to deploy. SaaS and homegrown agent coverage connects through the platforms and environments where those agents run.Harmonic states it rolls out through Intune, JAMF, Kandji or Group Policy, with no proxy redesign and no certificate changes.
PricingContact sales. Noma Security does not publish pricing.Tiers are published (Explore, Guide, Command), prices are not. Contact sales.

Source: noma.security · Noma endpoint agents · Noma platform · harmonic.security · Harmonic Command · Harmonic pricing · Reviewed Sep 2026

Which should you choose?

Choose Noma Security if

  • Your priority matches our designation for Noma Security: best for endpoint plus SaaS and homegrown agents.
  • Your agents also run in SaaS platforms, cloud workloads or apps you build: Noma Security scores 9 to 6.
  • You need a fleet-wide inventory of AI agents, MCP servers, extensions and credentials on devices: Noma Security scores 8 to 7.

Choose Harmonic Security if

  • Your priority matches our designation for Harmonic Security: best for data protection in everyday AI use.
  • You want context-aware rules and answers beyond allow and block: Harmonic Security scores 8 to 7.

Frequently asked questions

Which is better, Noma Security or Harmonic Security?

Noma Security scores higher overall on our weights (7.5 vs 7.1 out of 10). Noma Security scores higher on visibility, identity and audit and breadth; Harmonic Security scores higher on policy. They tie on tool-call control, footprint and maturity. Scores are editorial assessments from public vendor material, reviewed September 2026.

Do Noma Security and Harmonic Security publish prices?

No. Neither publishes list prices, so ask both for a quote. Harmonic Security publishes its tier names (Explore, Guide, Command).

Do Noma Security or Harmonic Security replace EDR?

No. The tools in this guide add control over AI agent actions and work alongside EDR. Noma Security: Through existing EDR or MDM. Harmonic Security: Intune, JAMF, Kandji or Group Policy.

Related

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