CISO Tribune

Vendor comparison · 2 companies

Vanta vs WitnessAI

Vanta offers automation, continuous monitoring and the Vanta Agent so that organizations get and stay compliant. WitnessAI sells an AI security and governance platform that brings humans and agents under one platform. CISO Tribune files both under 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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  • Vanta
  • WitnessAI
Vanta vs WitnessAI: Products, Customers and Funding Compared
VantaVanta offers automation, continuous monitoring and the Vanta Agent so that organizations get and stay compliant.vanta.comWitnessAIWitnessAI sells an AI security and governance platform that brings humans and agents under one platform.witness.ai
What it sells
  • Vanta Agent[2]The Vanta Agent drafts policies, completes questionnaires and calls out issues.
  • Trust Center[9][13]Trust Center is a centralized hub for security questionnaires, sensitive documents and security improvement updates.
  • Trust Reports[4]Vanta offers Trust Reports, available before an audit is complete.
  • Vanta API[12]The Vanta API automates evidence collection and testing across many system categories.
  • 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
Not stated on its pages2023[3]
Ownership and funding
Not stated on its pagesPrivately held[2][13]
Named customers
Not stated on its pagesNot stated on its pages
Recent news
  • November 9, 2026Vanta announced it has signed a definitive agreement to acquire Pillar Security, an AI security platform covering AI agents across their lifecycle.[14]
  • April 15, 2026Vanta made its remote MCP server available to all customers in Public Preview as of April 15, 2026.[15]
Not stated on its pages
G2 and Gartner Peer Insights
  • G2: listed, seen November 10, 2026[16]
  • 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
Vanta's pages address teams without dedicated personnel, where security tasks add to the workload of critical employees. Healthcare providers and their vendors are served through a framework for protecting protected health information. Financial institutions are a named customer type for New York cybersecurity rules. Contractors and subs of the U.S. Department of Defense are a named customer type for federal information controls. B2B SaaS and outsourcing vendors are named for a baseline security checklist.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
November 6, 2026November 2, 2026

Where they overlap

  • Vanta and WitnessAI are both filed under AI governance.

Where they differ, field by field

  • Vanta's primary category is Compliance automation; WitnessAI's is Workforce AI usage security.
  • Vanta is also filed under GRC and integrated risk platforms and Third-party risk and security ratings. WitnessAI is also filed under AI firewalls and guardrails.
  • Vanta lists Vanta Agent, Trust Center, Trust Reports and Vanta API. WitnessAI lists Observe, Control and Protect.
  • WitnessAI is headquartered in Mountain View, United States.
  • WitnessAI was founded in 2023.
  • WitnessAI is privately held.

What it sells: Vanta

What Vanta Agent does[2]
The Vanta Agent drafts policies, completes questionnaires and calls out issues. Vanta provides an Agent for TPRM that addresses vendor risk.

Questions about Vanta and WitnessAI

What do Vanta and WitnessAI sell?
Vanta sells Vanta Agent, Trust Center, Trust Reports and Vanta API. WitnessAI sells Observe, Control and Protect.
Are Vanta and WitnessAI in the same category?
They share AI governance. Vanta's primary category is Compliance automation and WitnessAI's is Workforce AI usage security.
Where are Vanta and WitnessAI headquartered?
WitnessAI is headquartered in Mountain View, United States.
When were Vanta and WitnessAI founded?
WitnessAI was founded in 2023.
Who owns Vanta and WitnessAI?
WitnessAI is privately held.
Who are Vanta and WitnessAI sold to?
Vanta's pages address teams without dedicated personnel, where security tasks add to the workload of critical employees. From its own pages, the company sells mainly to enterprises, saying they need security and governance that extends from humans to agents.
What have Vanta and WitnessAI announced recently?
November 9, 2026: Vanta announced it has signed a definitive agreement to acquire Pillar Security, an AI security platform covering AI agents across their lifecycle.

About Vanta

Vanta offers automation, continuous monitoring and the Vanta Agent so that organizations get and stay compliant. The Vanta Agent drafts policies, completes questionnaires and calls out issues. Vanta provides an Agent for TPRM that addresses vendor risk.[1][2]

Vanta integrates with 400+ tools and runs 1,400+ automated tests to collect evidence and flag gaps. Vanta automates evidence collection, runs hourly control tests and generates a Statement of Applicability that maps each control to tests and documents. Vanta runs automated hourly tests that provide visibility into security and compliance posture, with real-time alerts and advice for remediation. Vanta stores documents and automates data gathering in one centralized location for audit evidence. Vanta automates the workflows for employee trainings and on- and offboarding. Vanta automatically pulls account data to review user access and track new requests. Vanta automates risk reviews with workflows based on ISO 27005.[3][4]

Vanta helps organizations certify to ISO 27001 and prove their security posture to prospects and customers. Vanta supports extending an ISO 27001 program with ISO 27017, 27018 or 27701. Vanta supports HITRUST e1, i1 and r2, aligned with HIPAA and other standards. Vanta supports compliance with GDPR to protect EU personal data. Vanta supports pursuing FedRAMP Low and Moderate authorization. Vanta supports mitigating risks in AI systems using the NIST framework for responsible development, use and evaluation of AI technologies.[3][5]

Vanta offers a US Data Privacy framework, called USDP, that helps organizations comply with state-level consumer privacy laws through one unified set of controls. Vanta supports 19 state privacy laws. Vanta describes USDP as a consumer data privacy framework available only from Vanta. Vanta adds new state requirements to USDP as they are enacted and alerts customers to changes. Vanta lets organizations manage processing activity in a live Data Inventory and connect ROPAs and DPIAs in one place. Vanta lets organizations create and maintain Records of Processing Activities by documenting purposes, data categories, legal bases and processors. Vanta helps organizations vet the security practices of partners and vendors.[6][7]

Vanta gives customers pre-mapped controls and guidance aligned to NIST SP 800-171/172 for CMMC Level 1, 2 or 3. Vanta partners with Cyber AB-listed RPOs for readiness and C3PAOs for certification. Vanta lets customers monitor an SPRS Score and track progress toward CMMC readiness from one dashboard. Vanta helps customers create SSPs with guided workflows and structured templates. Vanta supports all three CIS Implementation Groups. Vanta continuously monitors CIS controls, collects timestamped evidence and tracks required documentation.[9]

Vanta helps customers prepare for the FTR by automating evidence collection, managing tests and documentation, and tracking progress. Vanta integrates with more than 40 AWS services, including AWS CloudTrail, AWS Config, IAM, Amazon GuardDuty, Amazon EKS and Amazon Inspector. Vanta lets customers manage ISO 9001 and ISO 27001 audits from a single platform.[10][11]

The Vanta API lets customers automate evidence collection and testing across system categories such as security awareness training, background checks, Mobile Device Managers and vulnerability scanners. Vanta lets customers build private integrations for systems that Vanta does not already integrate with, including on-premise or homegrown systems. The Vanta API uses OAuth applications generated by Vanta Administrators, with scoped read and write permissions. Vanta offers Trust Reports, available before an audit is complete. Vendor Risk Management at Vanta helps security professionals identify and assess third-party risk, streamline security reviews and remediate issues. Vanta announced its acquisition of Trustpage.[1][2][3][4][5][7][9]

Vanta on the record

Sources

Vanta full record

  1. [1]vanta.comVanta · vanta.com · undated page, accessed November 6, 2026 · Tier A
  2. [2]SOC 2, HIPAA, ISO 27001, PCI, and GDPR ComplianceVanta · undated page, accessed November 10, 2026 · Tier A
  3. [3]ISO 27001 compliance automation software | VantaVanta · undated page, accessed November 10, 2026 · Tier A
  4. [4]Security & Compliance Foundations | VantaVanta · undated page, accessed November 10, 2026 · Tier A
  5. [5]All security and compliance frameworks Vanta supports | VantaVanta · undated page, accessed November 10, 2026 · Tier A
  6. [6]US state privacy compliance software: CCPA, CPRA, VCDPA, & more | VantaVanta · undated page, accessed November 10, 2026 · Tier A
  7. [7]Privacy Foundations | VantaVanta · undated page, accessed November 10, 2026 · Tier A
  8. [8]CMMC compliance software: Get CMMC-ready faster | VantaVanta · undated page, accessed November 10, 2026 · Tier A
  9. [9]CIS v8 compliance software: Automate evidence collection | VantaVanta · undated page, accessed November 10, 2026 · Tier A
  10. [10]AWS Foundational Technical Review (FTR) compliance software | VantaVanta · undated page, accessed November 10, 2026 · Tier A
  11. [11]ISO 9001 compliance software: Simplify quality management | VantaVanta · undated page, accessed November 10, 2026 · Tier A
  12. [12]Vanta API | VantaVanta · undated page, accessed November 10, 2026 · Tier A
  13. [13]Continuous Trust | VantaVanta · undated page, accessed November 10, 2026 · Tier A
  14. [14]Vanta to Acquire Pillar Security to Turn AI Policy Into PracticeBusiness Wire · published November 9, 2026 · Tier A
  15. [15]New in Vanta | April 2026Vanta · published April 15, 2026 · Tier A
  16. [16]Vanta Reviews & Product DetailsG2 · undated page, accessed November 10, 2026 · Tier C

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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