How to Build Your Own Zscaler
Replace Zscaler with a custom build. Leading Cloud Enterprise Security Provider for Zero Trust
Build Difficulty: 4/5
A few focused days to build a solid replacement
Estimated Timeline
Based on 37 features at Few Days difficulty, expect about 3-5 days with AI-assisted development.
Recommended Tech Stack
Full-stack React framework with API routes and server components
PostgreSQL database, auth, and real-time subscriptions
Utility-first styling for rapid UI development
Key Features to Replicate
Top features across 8 categories. See all 37 features
Access Control(5 features)
AI-powered app recommendations based on live traffic analysis with unlimited app segments
Zero Trust private application access for any user, any app, any device with user-to-app segmentation
Fast, direct, secure access to industrial systems for third-parties with full governance and just-in-time access
Secure access from any browser for third-party users and unmanaged devices with unified portal access
Support for VoIP, Server-to-Client, and Network-Connected Applications with VPN-like functionality
Data Protection(5 features)
Advanced classification including EDM, IDM, OCR with sensitive file encryption and watermarking
Comprehensive data visibility and controls across all channels with inline and out-of-band protection
Discover, classify and contextualize data-at-rest with risk correlation and security posture mapping
Inline data security for Exchange/Gmail and out-of-band email API protection
Endpoint data discovery including print, personal cloud, removable storage with user activity monitoring
Network Security(5 features)
Agentless device isolation with dynamic micro subnets, asset discovery, and MAC-based authentication
Layer 3/4 firewall policies with basic DNS control and cloud IPS for non-web protocols
Extensive firewall rules framework with outbound FW, App ID, User ID, and full detailed logging
Connect, secure, and segment branches, campuses, and factories with SD-WAN and device segmentation
Software-defined WAN with traffic forwarding to ZIA, ZPA, or direct internet with intelligent path selection
Monitoring(3 features)
AI-powered detection and resolution of app, network, and device issues with unified monitoring
Comprehensive monitoring at scale with AI-powered root cause analysis and ITSM tool integration
Ultimate DEM solution with maximum visibility, 50 app monitoring, and enterprise-wide device health dashboard
Threat Prevention(3 features)
Browser isolation for BYOD, B2B, and VDI replacement scenarios
Advanced isolation with Office file support, isolation + quarantine, and up to 1.5 GB/user/month traffic
Browser isolation to isolate unknown destinations and control copy/paste/print with mobile browser support
Threat Protection(3 features)
Integrated threat protection for users, devices, and workloads with correlated threat insights
File analysis and detonation with AI-powered verdict capability and detailed threat analysis
Expanded file type support, quarantine by policy, instant AI verdict, and API access for 3,000 files/month
AI Security(2 features)
Zscaler AI Protect unified solution to secure AI at scale with AI asset management and secure AI app access
Find Shadow AI and enable safe use of public GenAI apps with Copilot control and enterprise AI app protection
Workload Security(2 features)
Security for workloads and servers with modern zero trust architecture and stateful filtering
1GB/user/month workload protection with zero trust principles
Cost Calculator
Pricing data not available for Zscaler. Check their website for current pricing.