Quick Reference and Further Reading

Zero Trust Terminology

Term	Definition
PDP	Policy Decision Point - evaluates access requests and issues allow/deny decisions
PEP	Policy Enforcement Point - enforces PDP decisions at the resource boundary
PAP	Policy Administration Point - where security policies are created and managed
ZTNA	Zero Trust Network Access - application-specific access replacing VPN
mTLS	Mutual TLS - both client and server authenticate via certificates
RBAC	Role-Based Access Control - permissions assigned by role
ABAC	Attribute-Based Access Control - permissions based on dynamic attributes
PAM	Privileged Access Management - special controls for admin accounts
UEBA	User and Entity Behavior Analytics - behavioral anomaly detection
SIEM	Security Information and Event Management - event aggregation and analysis
SOAR	Security Orchestration, Automation, and Response - automated incident handling
IdP	Identity Provider - authoritative source of user identity
SPIFFE	Secure Production Identity Framework for Everyone - workload identity standard

Zero Trust Series on guptadeepak.com

These articles provide the full technical depth behind each chapter of this playbook:

• What Is Zero Trust Security? A Plain-English Guide
• Zero Trust Architecture: The Technical Blueprint
• Zero Trust in the Age of AI: Why the Classic Model Isn't Enough Anymore
• Zero Trust Authorization for Multi-Agent Systems
• Zero Trust Implementation Roadmap: 5 Stages from Legacy to Modern Security
• Zero Trust for B2B SaaS: What Every Founder and CTO Needs to Know

Related Research

• Building Enterprise Cybersecurity: A Strategic Guide for B2B SaaS
• Passkeys at Scale: The Complete Enterprise Deployment Playbook
• CIAM 101: A Practical Guide to Customer Identity and Access Management
• Enterprise Identity: Why Companies Get SSO & RBAC Wrong

Cybersecurity Buyer's Guides

• Top 10 IAM Solutions
• Top 10 PAM Solutions
• Top 5 SIEM Tools of 2026
• Top 10 Penetration Testing Tools

About the Author

Deepak Gupta has spent 15+ years building at the intersection of AI and cybersecurity. He founded LoginRadius, a Customer Identity and Access Management (CIAM) platform serving over a billion users globally. He currently leads GrackerAI and LogicBalls AI, and mentors startups at the Desai Accelerator (University of Michigan).

Deepak has published multiple books on cybersecurity and digital privacy, and holds patents for DDoS defense and searchable encryption innovations. He is currently building GrackerAI and LogicBalls AI.