CISO Tribune

Vendor comparison · 2 companies

Noma Security vs WitnessAI

Noma Security sells an Agent Security & Governance Platform for enterprise security teams. WitnessAI sells an AI security and governance platform that brings humans and agents under one platform. CISO Tribune files both under AI firewalls and guardrails and AI governance. 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
  • WitnessAI
Noma Security vs WitnessAI: Products, Customers and Funding Compared
Noma SecurityNoma Security sells an Agent Security & Governance Platform for enterprise security teams.noma.securityWitnessAIWitnessAI sells an AI security and governance platform that brings humans and agents under one platform.witness.ai
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.
  • Observe[6][11]Finds and catalogs AI applications, agents and MCP servers, and visualizes AI conversations and agentic activity.
  • Control[1][5][6][7][10][11]Governs what AI agents and employees can do, routes prompts to models based on risk or purpose, and generates audit trails.
  • Protect[1][5][6][8][11]Applies runtime security controls and content guardrails intended to block prompt injection and jailbreak attempts and filter harmful responses.
Categories
Headquarters
Not stated on its pagesMountain View, United States[4]
Founded
2023[3]2023[3]
Ownership and funding
Privately held[4]Privately held[2][13]
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[13]
  • 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.From its own pages, the company sells mainly to enterprises, saying they need security and governance that extends from humans to agents. It addresses employee use of AI, citing risks around sensitive data, compliance, and shadow AI. It also addresses AI agents, which it describes as connecting to tools, accessing data, and taking actions on behalf of employees.
Last verified
September 27, 2026November 2, 2026

Where they overlap

  • Noma Security and WitnessAI are both filed under AI firewalls and guardrails and AI governance.
  • Both were founded in 2023.
  • Both are privately held.

Where they differ, field by field

  • Noma Security's primary category is AI model and agent security; WitnessAI's is Workforce AI usage security.
  • Noma Security lists AI Discovery, AI Security Posture Management, AI Red Teaming and Runtime Protection. WitnessAI lists Observe, Control and Protect.
  • WitnessAI is headquartered in Mountain View, United States.

Questions about Noma Security and WitnessAI

What do Noma Security and WitnessAI sell?
Noma Security sells AI Discovery, AI Security Posture Management, AI Red Teaming and Runtime Protection. WitnessAI sells Observe, Control and Protect.
Are Noma Security and WitnessAI in the same category?
They share AI firewalls and guardrails and AI governance. Noma Security's primary category is AI model and agent security and WitnessAI's is Workforce AI usage security.
Where are Noma Security and WitnessAI headquartered?
WitnessAI is headquartered in Mountain View, United States.
When were Noma Security and WitnessAI founded?
Both were founded in 2023.
Who owns Noma Security and WitnessAI?
Noma Security is privately held. WitnessAI is privately held.
Who are Noma Security and WitnessAI sold to?
Its coverage spans AI assets across endpoint, SaaS, and cloud environments. From its own pages, the company sells mainly to enterprises, saying they need security and governance that extends from humans to agents.
What have Noma Security and WitnessAI 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

WitnessAI full record

  1. [1]Unified AI Security and Governance Platform | WitnessAIWitnessAI · undated page, accessed September 27, 2026 · Tier A
  2. [2]Witnessai raises 58 million for global expansion and announces new ways to secure ai agents 302659319WitnessAI via PR Newswire · prnewswire.com · published January 13, 2026 · Tier A
  3. [3]Witnessai launches with guardrails for aiDark Reading · darkreading.com · published May 21, 2024 · Tier B
  4. [4]WitnessaiAppSec Santa · appsecsanta.com · published April 3, 2026 · Tier C
  5. [5]Scaling AI Security with WitnessAI - WitnessAIWitnessAI · undated page, accessed November 10, 2026 · Tier A
  6. [6]AI Security Platform | Enterprise AI Governance | WitnessAIWitnessAI · undated page, accessed November 10, 2026 · Tier A
  7. [7]WitnessAI 2.0 Delivers New Regulatory Compliance Capabilities to Support Safe AI Adoption - WitnessAIWitnessAI · published April 30, 2025 · Tier A
  8. [8]Ensuring Compliance with the EU AI Act - WitnessAIWitnessAI · undated page, accessed November 10, 2026 · Tier A
  9. [9]WitnessAI Achieves SOC 2 Type II Compliance - WitnessAIWitnessAI · published October 21, 2025 · Tier A
  10. [10]WitnessAI Joins ServiceNow Control Tower Alliance - WitnessAIWitnessAI · undated page, accessed November 10, 2026 · Tier A
  11. [11]TENEX.AI and WitnessAI Partner to Deliver Managed Security and Compliance Services for Enterprise AI - WitnessAIWitnessAI · published June 17, 2025 · Tier A
  12. [12]How Security Leaders Prove ROI and Reduce Risk - WitnessAIWitnessAI · undated page, accessed November 10, 2026 · Tier A
  13. [13]WitnessAI Reviews 2026: Details, Pricing, & FeaturesG2 · undated page, accessed November 10, 2026 · Tier C

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