CISO Tribune

Vendor comparison · 2 companies

Noma Security vs Prompt Security

Noma Security sells an Agent Security & Governance Platform for enterprise security teams. Prompt Security offers protection for both employee use of AI tools and the apps an organization builds. CISO Tribune files both under AI model and agent security and AI firewalls and guardrails. This page sets the two records side by side: what each sells, where it is based, who owns and funds it, the customers it names and its recent news, each fact numbered to its source.

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  • Noma Security
  • Prompt Security
Noma Security vs Prompt Security: Products, Customers and Funding Compared
Noma SecurityNoma Security sells an Agent Security & Governance Platform for enterprise security teams.noma.securityPrompt SecurityPrompt Security offers protection for both employee use of AI tools and the apps an organization builds.prompt.security
What it sells
  • AI DiscoveryFinds every AI agent, model, MCP server and tool across cloud, SaaS and developer environments.
  • AI Security Posture Management[7]Defines which agents are approved, what data they can access and what actions they can take, and enforces those policies in real time.
  • AI Red Teaming[4][13]Probes AI applications and agents with multi-turn tests for prompt injection, jailbreak, data leakage and goal drift.
  • Runtime Protection[2]Monitors the full chain of an agent session, including prompts, tool calls and data access, and detects prompt injection and data exfiltration in real time.
  • Prompt Fuzzer[4]An open source tool for AI vulnerability assessment.
Categories
Headquarters
Not stated on its pagesNot stated on its pages
Founded
2023[3]2023[1]
Ownership and funding
Privately held[4]Owned by SentinelOne since 2025[3][7][8][10]
Named customers
Not stated on its pagesNot stated on its pages
Recent news
  • October 26, 2026Noma Security appointed Bobby Shoker as Chief Financial Officer and Alberto Rodrigues as Chief Customer Officer.[15]
  • February 27, 2026Noma Security announced its AI security platform is available through the Extended plan in AWS Security Hub.[16]
Not stated on its pages
G2 and Gartner Peer Insights
  • G2: Not stated on its pages
  • Gartner Peer Insights: Not stated on its pages
  • G2: listed, seen November 10, 2026[10]
  • Gartner Peer Insights: Not stated on its pages
Who it fits
Its coverage spans AI assets across endpoint, SaaS, and cloud environments. The pages address organisations whose employees use agents. The pages address organisations whose agents run on SaaS platforms or on cloud platforms.Not written yet
Last verified
September 27, 2026September 27, 2026

Where they overlap

  • Noma Security and Prompt Security are both filed under AI model and agent security and AI firewalls and guardrails.
  • Both were founded in 2023.

Where they differ, field by field

  • Noma Security's primary category is AI model and agent security; Prompt Security's is AI firewalls and guardrails.
  • Noma Security is also filed under AI governance. Prompt Security is also filed under Workforce AI usage security.
  • Noma Security lists AI Discovery, AI Security Posture Management, AI Red Teaming and Runtime Protection. Prompt Security lists Prompt Fuzzer.
  • Noma Security is privately held. Prompt Security is owned by SentinelOne, since 2025.

What it sells: Prompt Security

What Prompt Fuzzer does[4]
Prompt Fuzzer is listed under AI Security Tools on the Prompt Security site. The site describes it as an open source tool for AI vulnerability assessment.

Questions about Noma Security and Prompt Security

What do Noma Security and Prompt Security sell?
Noma Security sells AI Discovery, AI Security Posture Management, AI Red Teaming and Runtime Protection. Prompt Security sells Prompt Fuzzer.
Are Noma Security and Prompt Security in the same category?
They share AI model and agent security and AI firewalls and guardrails. Noma Security's primary category is AI model and agent security and Prompt Security's is AI firewalls and guardrails.
When were Noma Security and Prompt Security founded?
Both were founded in 2023.
Who owns Noma Security and Prompt Security?
Noma Security is privately held. Prompt Security is owned by SentinelOne, since 2025.
Who are Noma Security and Prompt Security sold to?
Its coverage spans AI assets across endpoint, SaaS, and cloud environments.
What have Noma Security and Prompt Security announced recently?
October 26, 2026: Noma Security appointed Bobby Shoker as Chief Financial Officer and Alberto Rodrigues as Chief Customer Officer.

About Noma Security

Noma Security sells an Agent Security & Governance Platform for enterprise security teams. Noma Security says AI adoption is outpacing security across every enterprise.[1][5]

Noma Security finds every AI component in an organisation. Noma Security provides continuous visibility and risk assessments on agents, MCPs, skills, and models across every environment. Noma Security finds AI assets across endpoint, SaaS, and cloud environments. Noma Security shows what those AI assets can reach and which risks need attention.[1][6][7]

Noma Security discovers agents across Agentforce, Microsoft Copilot, Claude Enterprise and other SaaS platforms. Noma Security identifies risk and prevents agents from taking dangerous actions in runtime. Noma Security discovers agents across cloud platforms and surfaces their risks. Noma Security tests agents on cloud platforms for AI-specific risks. Noma Security controls the actions that agents on cloud platforms take in runtime.[8][9]

Noma Security secures the identity, access, and actions of each agent. Noma Security discovers the agents that employees are using. Noma Security defines what each of those agents is allowed to do and stops the ones that break the rules at runtime. Noma Security defines what actions each agent can take and scopes permissions by identity. Noma Security enforces policies at the moment a connection or action is attempted.[1][10][11]

Noma Security discovers, governs, and protects MCP servers. Noma Security discovers MCP servers and assesses their risks. Noma Security controls tool access for MCP servers and stops threats at runtime.

Noma Security stops dangerous agent behavior at runtime. Noma Security describes agents as able to go rogue or be manipulated. Noma uses context to detect dangerous behavior and enforce policies.[12]

Noma Security tests AI applications and agents for security, compliance, and privacy risks. Noma Security tests AI applications and agents to find weaknesses before attackers or customers do. Noma Security answers questions about AI risk with evidence. Noma Security brings together AI inventory, evaluation results, and runtime records. Noma Security shows what an organisation runs, how it tests it, and how controls are enforced.[1][2][8][9][10][13][14]

Noma Security on the record

Sources

Noma Security full record

  1. [1]Agent Security and Governance | NomaNoma Security · undated page, accessed September 27, 2026 · Tier A
  2. [2]Noma security raises 100m to drive adoption of ai agent security 302518641Noma Security via PR Newswire · prnewswire.com · published July 31, 2025 · Tier A
  3. [3]Noma security raises 100 million for ai security platformSecurityWeek · securityweek.com · published July 31, 2025 · Tier B
  4. [4]MCP Security: Discover, Govern, and Protect MCP Servers | NomaNoma Security · undated page, accessed October 28, 2026 · Tier A
  5. [5]AI Security Solutions for Secure AI, Everywhere | NomaNoma Security · undated page, accessed November 10, 2026 · Tier A
  6. [6]Shadow AI Discovery: Find Every Agent in Your Organization | NomaNoma Security · undated page, accessed November 10, 2026 · Tier A
  7. [7]AI-SPM: AI Security Posture Management | NomaNoma Security · undated page, accessed November 10, 2026 · Tier A
  8. [8]SaaS Agent Security for Copilot Studio & AgentForce | NomaNoma Security · undated page, accessed November 10, 2026 · Tier A
  9. [9]AI Application Security for Bedrock, Azure & Databricks | NomaNoma Security · undated page, accessed November 10, 2026 · Tier A
  10. [10]Agentic Identity: Know Who Your Agents Are and What They're Doing | NomaNoma Security · undated page, accessed November 10, 2026 · Tier A
  11. [11]AI Agent Access Control | NomaNoma Security · undated page, accessed November 10, 2026 · Tier A
  12. [12]AI-DR: AI Detection and Response | NomaNoma Security · undated page, accessed November 10, 2026 · Tier A
  13. [13]AI Red Teaming: Automated Adversarial Testing | NomaNoma Security · undated page, accessed November 10, 2026 · Tier A
  14. [14]AI Compliance and Reporting | NomaNoma Security · undated page, accessed November 10, 2026 · Tier A
  15. [15]Noma Security Appoints Bobby Shoker as Chief Financial Officer and Alberto Rodrigues as Chief Customer OfficerPRNewswire · published October 26, 2026 · Tier A
  16. [16]Noma AI Security Integrates with New Extended Plan for AWS Security HubPRNewswire · published February 27, 2026 · Tier A

Prompt Security full record

  1. [1]Prompt security partners with f5 to secure genai applications with a firewall for ai 302131373Prompt Security via PR Newswire · prnewswire.com · published April 30, 2024 · Tier A
  2. [2]Securing ai promptSentinelOne · sentinelone.com · undated page, accessed September 27, 2026 · Tier A
  3. [3]Sentinelone completes acquisition of prompt securitySentinelOne via The Globe and Mail · theglobeandmail.com · published September 5, 2025 · Tier A
  4. [4]Prompt Security | From SentinelOnePrompt Security · undated page, accessed October 27, 2026 · Tier A
  5. [5]AI Security | AI Glossary | Prompt SecurityPrompt Security · undated page, accessed October 27, 2026 · Tier A
  6. [6]ClawSec: A Security Skill Suite for OpenClaw AgentsPrompt Security · undated page, accessed October 27, 2026 · Tier A
  7. [7]AI Security Startups Map — Agentic AI Vendors by CategoryPrompt Security · undated page, accessed October 27, 2026 · Tier A
  8. [8]About this Map & Methodology — AI Security Startups MapPrompt Security · undated page, accessed October 27, 2026 · Tier A
  9. [9]OneClaw DashboardPrompt Security · undated page, accessed November 10, 2026 · Tier A
  10. [10]Prompt Security Pros and Cons | User Likes & DislikesG2 · undated page, accessed November 10, 2026 · Tier C

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