CISO Tribune

Vendor comparison · 2 companies

Arexdata vs BigID

Arexdata sells Arexdata DSPM, a data security posture management platform that helps identify sensitive data, who can access it, how it is used, and where the risks lie, including those associated with the use of AI. BigID sells one platform for security controls, compliance and privacy automation, and AI governance. CISO Tribune files both under Data security posture management. 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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  • Arexdata
  • BigID
Arexdata vs BigID: Products, Customers and Funding Compared
ArexdataArexdata sells Arexdata DSPM, a data security posture management platform that helps identify sensitive data, who can access it, how it is used, and where the risks lie, including those associated with the use of AI.arexdata.comBigIDBigID sells one platform for security controls, compliance and privacy automation, and AI governance.bigid.com
What it sells
  • Arexdata DSPM[2][3]A platform for identifying sensitive data, who can access it, how it is used and where the risks lie, including those tied to AI use.
  • Discovery & ClassificationFinds and classifies sensitive data across data center, cloud, SaaS and code. It also inventories the AI models and agents that reach that data.
  • DSPM, AI SPM, Agentic SPMPosture management across data, AI and the agents acting on both. It surfaces exposures and guides the fix.
  • Unstructured Data MinimizationClassifies and minimizes files, email and chat. Flagged content moves through review to archive or purge.
  • Context engineering for AI Agents[6]Catalogs data and metadata and controls what each AI agent can see.
  • AgentIQ[6][9]Runs a data and AI security program from a prompt or an agent.
  • Data & AI sovereignty[6]Maps data residency and cross-border flows and applies localization policy. The platform can run in-country or air-gapped.
Categories
Headquarters
Not stated on its pagesNew York, United States
Founded
Not stated on its pages2016[4]
Ownership and funding
Not stated on its pagesPrivately held[4][14][15]
Named customers
Not stated on its pagesNot stated on its pages
Recent news
Not stated on its pagesNot stated on its pages
G2 and Gartner Peer Insights
  • G2: Not stated on its pages
  • Gartner Peer Insights: Not stated on its pages
Who it fits
Not written yetFrom its own pages, BigID sells mainly to security, privacy and AI teams that want one set of findings rather than separate tools. BigID describes privacy and compliance teams as answering to national privacy laws, industry controls and AI obligations. BigID offers self-managed VPC and fully air-gapped on-premises deployments that run the same software as its SaaS. BigID for Federal is aimed at federal programs, on a FedRAMP High authorized platform.
Last verified
October 23, 2026September 27, 2026

Where they overlap

  • Data security posture management is the primary category of both Arexdata and BigID.

Where they differ, field by field

  • Arexdata is also filed under Workforce AI usage security. BigID is also filed under Data loss prevention and Privacy management.
  • Arexdata lists Arexdata DSPM. BigID lists Discovery & Classification, DSPM, AI SPM, Agentic SPM, Unstructured Data Minimization, Context engineering for AI Agents, AgentIQ and 1 more.
  • BigID is headquartered in New York, United States.
  • BigID was founded in 2016.
  • BigID is privately held.

How they differ

CISO Tribune files both Arexdata and BigID under Data security posture management as the primary category. Arexdata sells Arexdata DSPM, one platform for visibility across data, users, permissions, activity and AI, covering the cloud, SaaS, on-premises and endpoints. CISO Tribune also files Arexdata under Workforce AI usage security, and Arexdata DSPM detects Shadow AI and sensitive information exposed in prompts. Arexdata says its AI risk analytics run locally, so no data leaves the customer's infrastructure.

CISO Tribune also files BigID under Data loss prevention and Privacy management. BigID sells one platform for security controls, compliance and privacy automation, and AI governance. Its products include Discovery & Classification, DSPM, AI SPM, Agentic SPM, Unstructured Data Minimization, Context engineering for AI Agents, AgentIQ, and Data & AI sovereignty. BigID classifies data into 2,000+ categories and inventories the models and agents that reach that data. BigID offers self-managed VPC and fully air-gapped on-premises deployments, and BigID for Federal runs on a FedRAMP High authorized platform.

Both companies cover sensitive data discovery and AI-related exposure. Arexdata describes a single DSPM product with a focus on permissions, activity monitoring and AI tool use. BigID is headquartered in New York, United States, was founded in 2016, and is privately held.

What it sells: Arexdata

What Arexdata DSPM does[2][3]
Arexdata DSPM is one platform built for end-to-end visibility across data, users, permissions, activity, and AI. Arexdata DSPM protects information in the cloud, SaaS, on-premises, and on endpoints.

What it sells: BigID

What Discovery & Classification does
The page describes agentless discovery with hundreds of connectors across the data center, cloud, SaaS and code, with scan depth set per source. Data is read and classified into 2,000+ categories. Models and agents that reach the data, sanctioned or not, are inventoried as assets in their own right.
What DSPM, AI SPM, Agentic SPM does
The page says DSPM began as data risk discovery: find the sensitive data, assess the risk around it. BigID then guides the fix with access governance, activity monitoring, DLP and disposition. It extends all of this to the AI models and agents now reaching the same data.
What Unstructured Data Minimization does
The page says BigID classifies unstructured data at scale and finds duplicates, stale files and out-of-compliance data. Flagged content moves through review to archive or purge, with legal hold checked first.
What Context engineering for AI Agents does[6]
The page says BigID indexes structured and unstructured data and catalogs that metadata behind APIs and MCP. It discovers each agent and what it is approved to do. It also controls which data and metadata every agent can see.
What AgentIQ does[6][9]
The page lets users run a data and AI program from a prompt or an agent. It works inside BigID or from third-party assistants and enterprise agents. Agents that a buyer buys, builds or brings ask the questions, investigate the risk, take the action and keep the work running.
What Data & AI sovereignty does[6]
The page says BigID maps residency, cross-border flows and third-party access from discovery. It applies localization policy and keeps the evidence regulators ask for. The platform can run in-country or fully air-gapped, with zero outbound connectivity.

Questions about Arexdata and BigID

What do Arexdata and BigID sell?
Arexdata sells Arexdata DSPM. BigID sells Discovery & Classification, DSPM, AI SPM, Agentic SPM, Unstructured Data Minimization, Context engineering for AI Agents, AgentIQ and 1 more.
Are Arexdata and BigID in the same category?
Yes. Data security posture management is the primary category of both on CISO Tribune.
Where are Arexdata and BigID headquartered?
BigID is headquartered in New York, United States.
When were Arexdata and BigID founded?
BigID was founded in 2016.
Who owns Arexdata and BigID?
BigID is privately held.
Who are Arexdata and BigID sold to?
From its own pages, BigID sells mainly to security, privacy and AI teams that want one set of findings rather than separate tools.

About Arexdata

Arexdata sells Arexdata DSPM, a data security posture management platform that helps identify sensitive data, who can access it, how it is used, and where the risks lie, including those associated with the use of AI. Arexdata DSPM is one platform built for end-to-end visibility across data, users, permissions, activity, and AI. Arexdata DSPM brings data, users, permissions, activity, AI and endpoints together in a single platform.[2][3]

Arexdata DSPM identifies and classifies sensitive information so that customers know what they have, where it is, and what level of protection it requires. Arexdata DSPM locates PII, PCI, PHI, intellectual property and other regulated data, and classifies it automatically using rules and tagging. Arexdata DSPM identifies sensitive data, access points, and risks across an entire infrastructure.[2][3]

Arexdata DSPM shows who can access each piece of data and helps identify excessive, inherited, or redundant permissions. Arexdata DSPM allows customers to apply the principle of least privilege. Arexdata DSPM applies Zero-Trust and least-privilege principles with traceability.[1][2][3]

Arexdata DSPM monitors accesses, changes, and actions so customers can track who did what, when, and to which data, without relying on ad hoc audits. Arexdata DSPM monitors accesses, changes, movements and data use to investigate incidents, detect risky behavior and generate evidence.[2][3]

Arexdata DSPM can revoke permissions, launch workflows, generate alerts or run actions through a customer's SIEM, SOAR and DLP tools. Arexdata DSPM allows customers to alert, escalate, or resolve each situation, either immediately or on a set schedule. Arexdata DSPM selectively mitigates exposures, automates where appropriate, and maintains oversight of critical actions.[2][3]

Arexdata DSPM detects Shadow AI, sensitive information exposed in prompts, anomalous behavior, and activity from users, agents, and non-human entities. Arexdata DSPM monitors which AI tools are used, what data they consume, and how users and agents interact with sensitive information. Arexdata detects the presence of sensitive data in chats and alerts administrators and users to prevent data exfiltration. Arexdata DSPM runs its AI risk analytics locally, and no data leaves the customer's infrastructure.[1][2][3]

Arexdata DSPM protects information in the cloud, SaaS, on-premises, and on endpoints. Arexdata DSPM analyzes information locally so that data does not have to leave a customer's infrastructure. Arexdata DSPM adds context to each exposure according to sensitivity, access and impact.[1][2][3]

Arexdata on the record

Sources

Arexdata full record

  1. [1]arexdata.comArexdata · arexdata.com · undated page, accessed October 23, 2026 · Tier A
  2. [2]The DSPM Platform \ Data & AI Security \ ArexdataArexdata · undated page, accessed November 10, 2026 · Tier A
  3. [3]Plataforma de Seguridad del Dato y la IA \ Arexdata DSPMArexdata · undated page, accessed November 10, 2026 · Tier A

BigID full record

  1. [1]Data security platformBigID · bigid.com · published August 5, 2026 · Tier A
  2. [2]Bigid recognized as a leader in independent evaluation of sensitive data discovery and classification solutions as company expands ai security and governance platform 302739331BigID via PR Newswire · prnewswire.com · published April 10, 2026 · Tier A
  3. [3]Fortune venture dealsBigID (republishing Fortune) · bigid.com · undated page, accessed September 27, 2026 · Tier A
  4. [4]Rk42qzuraCTech (Calcalist) · calcalistech.com · published March 20, 2024 · Tier B
  5. [5]BigID: Enterprise Data Security Platform for DSPM & AIBigID · undated page, accessed October 23, 2026 · Tier A
  6. [6]Data Security, Privacy, and AI Governance Solutions | BigIDBigID · undated page, accessed October 23, 2026 · Tier A
  7. [7]Data Discovery and Classification for Data and AI | BigIDBigID · undated page, accessed October 23, 2026 · Tier A
  8. [8]DSPM, AI SPM, and Agentic SPM Platform | BigIDBigID · undated page, accessed October 23, 2026 · Tier A
  9. [9]AgentIQ: Agentic Automation for Data and AI Security | BigIDBigID · undated page, accessed October 23, 2026 · Tier A
  10. [10]Data and AI Sovereignty Solutions | BigIDBigID · undated page, accessed October 23, 2026 · Tier A
  11. [11]Databricks | BigIDBigID · undated page, accessed October 23, 2026 · Tier A
  12. [12]Context Engineering for AI Agents | BigIDBigID · undated page, accessed October 23, 2026 · Tier A
  13. [13]Unstructured Data Minimization and Retention | BigIDBigID · undated page, accessed October 23, 2026 · Tier A
  14. [14]BigID Reviews 2026: Details, Pricing, & Features - G2G2 · undated page, accessed October 23, 2026 · Tier C
  15. [15]BigID Reviews, Ratings & Features 2026 | Gartner Peer InsightsGartner Peer Insights · undated page, accessed October 23, 2026 · Tier C
  16. [16]AI Governance for Models, Agents, and Their Data | BigIDBigID · undated page, accessed November 4, 2026 · Tier A
  17. [17]Data Access Governance for Employees and AI Agents | BigIDBigID · undated page, accessed November 4, 2026 · Tier A
  18. [18]Data Governance Automation Software | BigIDBigID · undated page, accessed November 4, 2026 · Tier A
  19. [19]Secure AI-First Architecture: SaaS to Air-Gapped | BigIDBigID · undated page, accessed November 4, 2026 · Tier A
  20. [20]Privacy and Compliance Automation for the AI Era | BigIDBigID · undated page, accessed November 4, 2026 · Tier A
  21. [21]Purview | BigIDBigID · undated page, accessed November 4, 2026 · Tier A
  22. [22]Collibra | BigIDBigID · undated page, accessed November 4, 2026 · Tier A

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