Workday vs Zscaler

Workday — Application · Public · $49.3B mkt cap · 4 of 4 figures sourced  |  Zscaler — Application · Public · $30.5B mkt cap · 4 of 4 figures sourced

Relationship

Agent System of Record and Secure Access to AI do comparable work on data security and guardrails and safety; same layer and the same scale band (mid-cap).

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

3 of 11 capabilitiesShared product typeSame scale band

3 of 11 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

Same scale band — Both mid-cap.

Ludbee scale bands · from valuation and funding figures

Aligned comparison

FieldWorkdayZscaler
Market cap$49.3B$30.5B Zscaler has 38% less
Employees21,0008,700 Zscaler has 2.4× fewer
Founded20052007 2 yrs later
StatusPublicPublic match
CategoryApplicationApplication match
Stack layerAI agent, Agent platform, ApplicationAPI service, Application, Developer tool, Platform
HeadquartersPleasanton, USASan Jose, USA

Capability overlap

Shared · 3

Data securityEvaluation and observabilityGuardrails and safety

Not verified for Zscaler · 8

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

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

Not verified for Workday · 1

Threat detection and response

Recorded for Zscaler. Workday’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

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.

Zscaler

Application

Secure Access to AIApplication

Governance layer for employee use of generative AI that discovers shadow AI applications, applies allow, block or coach policies per user, and monitors prompts and responses against more than 100 data loss prevention dictionaries to stop sensitive data leaving through AI tools.

Zscaler AI Asset Management (AI-SPM)Application

AI security posture management that auto-discovers and classifies AI models, agents and services across Azure AI Foundry, Amazon Bedrock, Google Vertex AI and unmanaged providers, correlates the sensitive data connected to them, and maps findings to frameworks including NIST AI RMF 600-1 and the EU AI Act.

Zscaler Breach PredictorApplication

Runs AI models over the security data flowing through the Zero Trust Exchange, using attack graphs, user risk scoring and threat intelligence to score the probability of a breach, forecast an attacker's next tactics, and recommend policy changes before the attack completes.

Zscaler Digital Experience (ZDX)Application

AI-driven detection and diagnosis of digital-experience issues across the network and application delivery path.

No counterpart

Workday sells these in a stack layer with no product recorded for Zscaler 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.

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

API service

Zscaler AI GuardAPI service

Real-time guardrails for LLM traffic that inspect prompts and responses inline to block prompt injection, jailbreaks, sensitive-data leakage and toxic or off-topic output, deployed either as a proxy or as an API-based Detection as a Service.

Zscaler Cloud SandboxAPI service

Inline, AI-powered sandbox that analyzes unknown files in real time to block zero-day and file-based malware before it reaches endpoints, using AI/ML models trained on 600M+ samples.

Developer tool

Zscaler AI Red TeamingDeveloper tool

Automated adversarial testing for AI applications and agents that runs simulated attacks using 25+ predefined and custom probes across text, image, voice and document inputs, scoring results for security, safety, hallucination and business alignment against MITRE ATLAS, NIST AI RMF and the OWASP LLM Top 10.

Platform

Zero Trust ExchangePlatform

Cloud-native security platform that inspects and enforces policy on every connection between users, devices, workloads and AI agents, rather than trusting anything on a corporate network.