HiddenLayer vs Workday

HiddenLayer — Application · Private · $50M raised · 2 of 2 figures sourced  |  Workday — Application · Public · $49.3B mkt cap · 4 of 4 figures sourced

Relationship

Agent Harness Security and Agent System of Record do comparable work on data security; similar scale (public).

Assembled from the recorded fields for this pair, not hand-checked. The comparison below is read from each company’s own profile.

3 of 4 capabilitiesShared product type

3 of 4 capabilities — Shares data security, evaluation and observability and guardrails and safety.

Ludbee capability tags · from the product records

Shared product type — Both ship application.

Ludbee product records

Aligned comparison

FieldHiddenLayerWorkday
Size$50M raised$49.3B mkt cap different basis
Employees—21,000
Founded20222005 17 yrs earlier
StatusPrivatePublic
CategoryApplicationApplication match
Stack layerApplication, PlatformAI agent, Agent platform, Application
HeadquartersLeander, USAPleasanton, USA

Capability overlap

Shared · 3

Data securityEvaluation and observabilityGuardrails and safety

Not verified for Workday · 1

Threat detection and response

Recorded for HiddenLayer. Workday’s product records say nothing either way — a missing record is not a missing capability.

Not verified for HiddenLayer · 8

Agent orchestrationCustomer supportData analysisDocument extractionHR and recruitingLegal drafting and reviewKnowledge retrievalWorkflow automation

Recorded for Workday. HiddenLayer’s product records say nothing either way — a missing record is not a missing capability.

Products, side by side

Algorithmic pairing — assembled from recorded fields, not hand-checked

HiddenLayer

Application

Agent Harness SecurityApplication

Protects the orchestration layer connecting AI coding agents to tools, memory, files and enterprise systems, detecting agentic-specific threats like memory poisoning and prompt injection with platform-aware controls for Claude Code, Cursor and GitHub Copilot.

HiddenLayer AI Attack SimulationApplication

Runs adversarial attacks against a customer's own models to find where they break before an attacker does.

HiddenLayer AI DiscoveryApplication

Inventories every model, agent and AI workflow running in an organisation, so security teams know what exists before defending it.

HiddenLayer AI Runtime SecurityApplication

Watches models in production and blocks attacks against them as they happen.

HiddenLayer AI Supply Chain SecurityApplication

Scans models an organisation builds, buys or borrows for tampering and malicious content before they reach production.

Workday

Application

HiredScore AI for RecruitingApplication

Scores and ranks job candidates, surfaces likely-to-apply leads from existing talent databases and partner networks, and sends recruiters AI-driven task notifications inside Workday Recruiting and tools such as Microsoft Teams.

Workday Contract IntelligenceApplication

AI-driven contract analysis and management, powered by Evisort AI, extracting insights from contract repositories via natural-language queries -- the analytical layer distinct from Workday's Contract Lifecycle Management, which handles the operational workflow.

Workday Contract Lifecycle ManagementApplication

Contract drafting, automated redlining, negotiation and approval powered by Evisort AI, with an AI-searchable clause library, custom AI models and an Ask AI function for querying stored contracts.

Workday Paradox Conversational ATSApplication

An AI-powered applicant tracking system for high-volume frontline hiring that automates candidate screening, interview scheduling and onboarding through mobile-first conversational interactions.

No counterpart

HiddenLayer sells these in a stack layer with no product recorded for Workday yet — nothing on the other side to compare them against.

Platform

HiddenLayer AI Security PlatformPlatform

Security platform purpose-built for AI systems: discovers models and AI supply chains across an organisation, simulates attacks against them, and detects runtime abuse such as model theft, data poisoning and adversarial inputs.

Workday sells these in a stack layer with no product recorded for HiddenLayer yet — nothing on the other side to compare them against.

AI agent

Workday Paradox Candidate ExperienceAI agent

A conversational AI agent that lets job candidates search and apply for roles, complete qualification screening and self-schedule interviews via chat, SMS or WhatsApp in over 30 languages.

Agent platform

Agent System of RecordAgent platform

Workday's hub for registering, managing and governing AI agents alongside the human workforce, with lifecycle management, third-party agent integration via an Agent Gateway, identity permissioning and an analytics view of agent activity.

SanaAgent platform

Workday's AI agent platform for HR, finance, IT and legal workflows, running on Workday's own transaction data -- rebranded from 'Illuminate' in March 2026 after Workday's $1.1B acquisition of Sana closed in November 2025.