E-Book Library
AI & Cybersecurity Guides
Everything I've learned about GEO, AI agents, zero trust, identity management, and cybersecurity strategy, distilled into practical chapter-by-chapter guides you can read online for free.
Author
Deepak Gupta
15+ years building at the intersection of AI and cybersecurity. Founder of GrackerAI. I write about what I build.
Latest E-Book
Deepak Gupta
From Zero to $10K
The Solo Founder's AI Playbook, Build a Real SaaS Company in 60 Days with $1,000
From Zero to $10K
The Solo Founder's AI Playbook, Build a Real SaaS Company in 60 Days with $1,000
A step-by-step playbook for solo founders who want to go from idea to $10K in revenue in 60 days using AI coding assistants, growth hacking, and a $1,000 budget. Covers validation, infrastructure, AI-powered development, launch strategy, aggressive outreach, and scaling, with practical prompts, templates, and real-world examples tailored for young and first-time entrepreneurs.
All E-Books
Deepak Gupta
AI Ethics and Governance in B2B: Marketing, Security, and the Trust Equation
A Practical Framework for Responsible AI in Marketing, Cybersecurity, and Enterprise Operations
AI Ethics and Governance in B2B: Marketing, Security, and the Trust Equation
A Practical Framework for Responsible AI in Marketing, Cybersecurity, and Enterprise Operations
A comprehensive guide to navigating AI ethics in B2B contexts, covering the intersection of AI-powered marketing optimization, cybersecurity, identity governance, and regulatory compliance.
Deepak Gupta
GEO for Cybersecurity: How Security Vendors Win AI Visibility
The Definitive Guide to Getting Your Security Brand Cited by AI Engines
GEO for Cybersecurity: How Security Vendors Win AI Visibility
The Definitive Guide to Getting Your Security Brand Cited by AI Engines
A vertical-specific guide for cybersecurity companies on achieving AI search visibility. Covers CISO buyer behavior, trust-weighted authority models, content architecture for security topics, and a 90-day implementation playbook.
Deepak Gupta
The Practical Guide to AI Search Visibility
How B2B SaaS Companies Can Win Citations in ChatGPT, Perplexity, and AI Overviews
The Practical Guide to AI Search Visibility
How B2B SaaS Companies Can Win Citations in ChatGPT, Perplexity, and AI Overviews
A comprehensive guide covering GEO strategy, AEO, AIO, RAG architecture, platform comparisons, and a 90-day action plan for B2B SaaS companies to achieve AI search visibility.
Deepak Gupta
The Complete GEO Playbook for B2B SaaS
The Definitive Guide to Earning AI Citations from ChatGPT, Perplexity, Gemini, and Google AI Overviews for B2B SaaS Brands
The Complete GEO Playbook for B2B SaaS
The Definitive Guide to Earning AI Citations from ChatGPT, Perplexity, Gemini, and Google AI Overviews for B2B SaaS Brands
A comprehensive playbook for B2B SaaS companies to earn citations from AI engines. Covers the GEO framework, platform landscape, technical implementation with code examples, authority building, myth-busting, and a complete measurement system for tracking AI visibility.
Deepak Gupta
AI Agents and the Security Nightmare Nobody's Solving
Identity, Authorization, and Trust in the Age of Autonomous AI
AI Agents and the Security Nightmare Nobody's Solving
Identity, Authorization, and Trust in the Age of Autonomous AI
A forward-looking book at the intersection of AI autonomy and security. Covers AI agent identity, MCP authentication, zero trust for multi-agent systems, vibe coding security debt, and the CISO's guide to AI agent governance.
Deepak Gupta
The IAM Career Playbook
From Security Professional to Identity Expert
The IAM Career Playbook
From Security Professional to Identity Expert
The definitive career guide for the highest-paying, fastest-growing cybersecurity domain - written by someone who built an IAM platform serving 1B+ users. Covers technical foundations, career paths, hands-on projects, and the future of identity.
Deepak Gupta
Cybersecurity Breaches Decoded
What Google's $32B Wiz Bet, Healthcare Ransomware & Chrome Extension Backdoors Teach Us About Modern Security
Cybersecurity Breaches Decoded
What Google's $32B Wiz Bet, Healthcare Ransomware & Chrome Extension Backdoors Teach Us About Modern Security
Real-world breach analyses packaged into a narrative-driven guide that reads like a cybersecurity thriller - while extracting actionable lessons from each incident for CISOs and security teams.
Deepak Gupta
Passwordless & Passkeys: The Enterprise Adoption Guide
Kill the Password: A Practical Guide to Deploying Passkeys, Biometrics & Adaptive Auth at Scale
Passwordless & Passkeys: The Enterprise Adoption Guide
Kill the Password: A Practical Guide to Deploying Passkeys, Biometrics & Adaptive Auth at Scale
The definitive enterprise guide for going passwordless. Covers the case against passwords, passkey architecture and deployment at scale, adaptive authentication with behavioral biometrics, hashing foundations for the post-quantum era, and a vendor-neutral implementation checklist.
Deepak Gupta
From SEO to GEO
The B2B Marketer's Survival Guide for the AI Search Era
From SEO to GEO
The B2B Marketer's Survival Guide for the AI Search Era
The definitive guide for B2B marketers navigating the transition from traditional search to AI-powered discovery. Includes real B2B cybersecurity SaaS case studies from GrackerAI, RAG architecture for marketers, and platform-specific playbooks.
Deepak Gupta
Breaking into Cybersecurity
A Practitioner's Guide for Students and Career Changers
Breaking into Cybersecurity
A Practitioner's Guide for Students and Career Changers
A practical career guide written by someone who built security companies from scratch, hired hundreds of security professionals, and understands what separates successful security practitioners from the rest. For the 4.8 million unfilled cybersecurity positions worldwide.
Deepak Gupta
AI Agents: A Practical Guide
From Concepts to Production in 2025
AI Agents: A Practical Guide
From Concepts to Production in 2025
A comprehensive guide to understanding, building, and deploying AI agents. Covers architecture patterns, tool use, memory systems, multi-agent coordination, RAG, safety guardrails, and real-world case studies - with working code examples throughout.
Deepak Gupta
The CIAM Buyer's Handbook
Everything You Need to Evaluate, Select & Implement Customer Identity in 2026
The CIAM Buyer's Handbook
Everything You Need to Evaluate, Select & Implement Customer Identity in 2026
The go-to resource for anyone evaluating CIAM solutions - packed with vendor comparisons, implementation guides, and the evaluation framework built from scaling a CIAM platform to 1B+ users.
Deepak Gupta
The B2B SaaS Founder's Security Playbook
Enterprise Readiness Without a Security Team
The B2B SaaS Founder's Security Playbook
Enterprise Readiness Without a Security Team
A practical guide for non-security SaaS founders who need to implement security properly without a dedicated security team. Covers auth architecture, SOC 2, enterprise SSO, API security, and the security checklist for fundraising due diligence.
Deepak Gupta
The Zero Trust Playbook for B2B SaaS
From Buzzword to Blueprint: A Founder's Guide to Implementing Zero Trust
The Zero Trust Playbook for B2B SaaS
From Buzzword to Blueprint: A Founder's Guide to Implementing Zero Trust
A practical guide for B2B SaaS founders, CTOs, and CISOs who need to understand Zero Trust - not as a vendor pitch, but as an implementable architecture. Covers principles, architecture, AI agent security, a 5-stage roadmap, and the business case for Zero Trust.
Deepak Gupta
The Cybersecurity Entrepreneur
Building Security Companies That Scale
The Cybersecurity Entrepreneur
Building Security Companies That Scale
A practical guide to building and scaling cybersecurity companies, drawn from lessons across multiple ventures including LoginRadius and GrackerAI. Covers the unique GTM challenges of cybersecurity, why fear-driven purchases change everything, and what it takes to earn trust in the security market.