# guptadeepak.com

> Deepak Gupta on customer identity (CIAM), AI security, and Generative Engine Optimization (GEO). Long-form essays plus curated portals across guptadeepak.com.

Authored by Deepak Gupta (https://guptadeepak.com/about/), a tech entrepreneur and cybersecurity architect. Founder of GrackerAI; previously founded LoginRadius (2013) and scaled it to 1B+ users; founded Start with Identity (https://startwithidentity.com) in 2026, an independent open IAM and security community.

Every page on this site has a clean Markdown representation. Append `.md` to any page URL (e.g. https://guptadeepak.com/about.md) or send an `Accept: text/markdown` request header to the page URL itself. Both return GFM Markdown with title, description, canonical URL, dates, and tags in YAML frontmatter.

## About the author

- [About Deepak Gupta](https://guptadeepak.com/about/)
- [My journey from code to scale](https://guptadeepak.com/my-journey/)
- [Publications, books, and patents](https://guptadeepak.com/publications/)
- [Videos and talks](https://guptadeepak.com/videos/)
- [Cybersecurity resources](https://guptadeepak.com/cybersecurity-resources/)
- [Free tools and checklists](https://guptadeepak.com/free-tools/)
- [Newsletter signup](https://guptadeepak.com/newsletter/)
- [Contact](https://guptadeepak.com/contact/)

## Topic portals

- [The CISO Desk, how security leaders decide and defend the decision](https://guptadeepak.com/ciso/)
- [CIAM Compass, Customer Identity & Access Management knowledge base](https://guptadeepak.com/ciam-compass/)
- [GRC Compass, directory of funded GRC and compliance vendors](https://guptadeepak.com/grc-compass/)
- [GEO Compass, generative engine optimization knowledge base](https://guptadeepak.com/geo-compass/)
- [The Identity Map, identity vendor directory and category map](https://guptadeepak.com/identity-map/)
- [Guides, long-form implementation guides and glossary](https://guptadeepak.com/guides/)
- [Research, original research on AI security, identity, and visibility](https://guptadeepak.com/research/)
- [Tech Fines, directory of major penalties paid by big tech](https://guptadeepak.com/tech-fines/)
- [AI Models, sourced facts on every major language model's IDs, lifecycle, and data handling](https://guptadeepak.com/ai-models/)
- [Hash Lab, hash algorithm reference and comparisons](https://guptadeepak.com/hash-lab/)
- [Analysis, long-form practitioner analysis](https://guptadeepak.com/analysis/)
- [Books, curated reading list with editorial takes](https://guptadeepak.com/books/)
- [Free ebooks, long-form guides](https://guptadeepak.com/ebooks/)
- [Tools, head-to-head tool comparisons](https://guptadeepak.com/tools/)
- [Podcasts, curated technology podcast directory](https://guptadeepak.com/podcasts/)
- [Web stories, AMP-format short reads](https://guptadeepak.com/stories/)
- [Tech graveyard, obituaries for dead technologies](https://guptadeepak.com/tech-graveyard/)
- [Future tech, dated predictions with disruption scores](https://guptadeepak.com/future-tech/)
- [Startup offers, founder credits and discounts](https://guptadeepak.com/startup-offers/)

## Recent writing

- [How to Buy Software When AI Breaks Pricing](https://guptadeepak.com/how-to-buy-software-when-ai-breaks-pricing/): 2026-10-17 · Buy software by the unit that tracks value, not by the login. Here is how I rank seat, credit, usage and outcome pricing, what 14 vendors ch
- [AI-Era Cyberattacks: What Companies Should Do](https://guptadeepak.com/ai-era-cyberattacks-2026-what-companies-should-do/): 2026-10-16 · AI made attacks cheap, but 2026's breaches still walked through old doors: exposed devices, default credentials and over-trusted agents. Her
- [Nobody Knows How Big GEO Is](https://guptadeepak.com/nobody-knows-how-big-geo-is/): 2026-10-15 · Analyst estimates of the GEO market disagree by a factor of six on the forecast and nearly seven on current size, with growth rates from 13.
- [Superintelligence Is Now a Product Label. Here Is What Builders Should Do With It](https://guptadeepak.com/superintelligence-product-label-builders/): 2026-10-15 · Superintelligence became federal vocabulary and a signed industry pledge in one week. The systems did not change. Here is what the label mea
- [AI Changed SaaS Onboarding. The Teams Winning Changed Their Data First.](https://guptadeepak.com/ai-changed-saas-onboarding-email/): 2026-10-14 · AI removed the writing bottleneck in SaaS onboarding email. The constraint moved to product event data, and the small teams winning on activ
- [OpenAI Notified 100+ Organizations About Its Rogue AI Agents. Here's What Every Company Should Do Now](https://guptadeepak.com/openai-rogue-agents-what-to-do/): 2026-10-13 · OpenAI has notified more than 100 organizations that its AI agents may have accessed their systems without authorization. The cause was not 
- [When the Buyer Is an Agent](https://guptadeepak.com/when-the-buyer-is-an-agent/): 2026-10-13 · Amazon's Rufus autonomously purchases when prices hit a target. Mastercard issues cryptographically signed mandates so agents can transact. 
- [My Security Podcast Stack as an Identity Founder](https://guptadeepak.com/security-podcast-stack-identity-founder/): 2026-10-13 · The podcast stack I use as an identity founder: several identity shows at the core, Risky Business and Darknet Diaries for news and stories,
- [Your AI Stack Has an Expiration Date: Model Sunsets Are the New Patch Tuesday](https://guptadeepak.com/ai-model-sunsets-new-patch-tuesday/): 2026-10-12 · Anthropic, OpenAI, Google, xAI and DeepSeek all retired or scheduled model retirements in 2026, and some old names quietly served new models
- [Your Brand's AI Answer Is an Attack Surface](https://guptadeepak.com/ai-answer-attack-surface/): 2026-10-11 · Microsoft's Defender team catalogued 31 companies across 14 industries embedding hidden instructions in "Summarize with AI" buttons to bias 
- [The CISO's 2027 Budget Memo: What to Fund, What to Cut, What to Defend When AI Agents Hit Production](https://guptadeepak.com/ciso-2027-budget-memo-ai-agents/): 2026-10-10 · AI agents are reaching production while security budgets grow 4%. How to use The CISO Desk benchmark cards, tool overlap analyzer and templa
- [The Podcasts That Explained the Biggest Breaches Best](https://guptadeepak.com/podcasts-that-explained-biggest-breaches/): 2026-10-10 · One first listen and one deeper episode for six major breaches: SolarWinds, NotPetya, Log4Shell, MOVEit, Scattered Spider and XZ Utils. Each
- [llms.txt Is the Meta Keywords of 2026](https://guptadeepak.com/llms-txt-meta-keywords-2026/): 2026-10-09 · Google says llms.txt neither helps nor harms. John Mueller compared it to the meta keywords tag. Adoption sits near 10% of domains and corre
- [Build Your Security Stack for $0: The Startup Credits That Actually Matter for AI and Security Founders](https://guptadeepak.com/startup-security-stack-free-credits/): 2026-10-08 · Credits can pay for a startup's identity, edge and AI stack, but they expire in about a year and enterprise buyers ask security questions ea
- [You Can Do Everything Right and Still Be Invisible](https://guptadeepak.com/invisible-to-ai-by-default-crawler-access/): 2026-10-07 · Every GEO playbook assumes AI engines can read your site. Cloudflare flipped the default to blocked on new domains and serves roughly a fift
- [The Best Security Podcasts for Every Role: SOC, AppSec, Cloud, GRC, Identity](https://guptadeepak.com/security-podcasts-by-role/): 2026-10-07 · A curator's guide to choosing security podcasts by role. For SOC, AppSec, cloud, offensive security, GRC, leadership and identity: what the 
- [The Kill Switch Test: Only 11 of 47 Checked AI Agent Security Vendors Publicly Claim You Can Stop a Rogue Agent](https://guptadeepak.com/ai-agent-kill-switch-test/): 2026-10-06 · AI agents now act with real credentials, and agent incidents have started. The Agent Security Map found that of 47 vendors checked, 11 publi
- [Who Is Buying and Building AI Visibility: An Acquisition Map for the GEO Category](https://guptadeepak.com/who-is-buying-building-ai-visibility/): 2026-10-06 · Adobe paid $1.9B for Semrush. HubSpot acquired a startup under a year old. Wix, Squarespace, Optimizely, and Cloudflare built natively. I ma
- [AI Didn't Kill SaaS. It Killed the Seat.](https://guptadeepak.com/ai-killed-the-saas-seat/): 2026-10-05 · SaaS prices just hit record inflation while a third of companies now build instead of buy. Software is not dying. The seat is, and so is eve
- [Map Before You Buy: The 2026 Identity Market After the Consolidation Wave](https://guptadeepak.com/identity-market-map-2026/): 2026-10-04 · The identity market consolidated in 2026, from Palo Alto Networks closing CyberArk to four NHI startups changing hands in ten weeks. The Ide
- [Cybersecurity Podcasts for Students: A 12-Week Listening Plan](https://guptadeepak.com/cybersecurity-podcasts-for-students/): 2026-10-04 · A week-by-week security podcast plan for university, bootcamp and self-taught students: one short daily news show, two or three named episod
- [Your Help Desk Is the New Perimeter: What MGM, M&S, and Scattered Spider Taught Every IT Team](https://guptadeepak.com/help-desk-is-the-new-perimeter/): 2026-10-03 · Scattered Spider never broke MFA. It phoned the help desk and had MFA moved. What MGM, Caesars, TfL and M&S disclosed, what the Scam Atlas s
- [Agentic Commerce: How AI Agents Will Find, Compare, and Buy for You](https://guptadeepak.com/agentic-commerce-ai-agents-find-compare-buy/): 2026-10-02 · On September 20, Amazon blocked Meta's new Muse AI agent from its store. That fight signals where commerce is heading: the shopper is becomi
- [Every Identity Giant Just Bought an AI Agent Company. Here's What They Know That You Don't.](https://guptadeepak.com/identity-giants-bought-ai-agent-security/): 2026-10-01 · In 2026, Cisco bought Astrix, SailPoint bought Entro, Okta bought Permiso and Cyera bought Oasis. The Agent Security Map deals ledger tracks
- [$20.9 Billion and It's Not Phishing: The Scams That Actually Drained Americans in 2025](https://guptadeepak.com/scams-that-cost-americans-2025/): 2026-09-30 · Americans reported $20.9 billion in scam losses to the FBI in 2025, and phishing was only about 1% of it. Investment and trust scams took th

## Topic archives (top tags by post count)

- [Cybersecurity (256 posts)](https://guptadeepak.com/tag/cybersecurity/)
- [AI (181 posts)](https://guptadeepak.com/tag/ai/)
- [Best Practices (162 posts)](https://guptadeepak.com/tag/best-practices/)
- [security (147 posts)](https://guptadeepak.com/tag/security/)
- [Digital Identity (136 posts)](https://guptadeepak.com/tag/digital-identity/)
- [IAM (122 posts)](https://guptadeepak.com/tag/iam/)
- [Authentication (112 posts)](https://guptadeepak.com/tag/authentication/)
- [CIAM (109 posts)](https://guptadeepak.com/tag/ciam/)
- [Data Protection (94 posts)](https://guptadeepak.com/tag/data-protection/)
- [future (88 posts)](https://guptadeepak.com/tag/future/)
- [Privacy (76 posts)](https://guptadeepak.com/tag/privacy/)
- [Agentic AI (71 posts)](https://guptadeepak.com/tag/agentic/)
- [customer data (63 posts)](https://guptadeepak.com/tag/customer-data/)
- [GEO (60 posts)](https://guptadeepak.com/tag/geo/)
- [AI & B2B SaaS Growth (57 posts)](https://guptadeepak.com/tag/ai-and-b2b-saas-growth/)
- [News (54 posts)](https://guptadeepak.com/tag/news/)
- [Cyberattacks (50 posts)](https://guptadeepak.com/tag/cyberattacks/)
- [identity (48 posts)](https://guptadeepak.com/tag/identity/)
- [Machine Identity (48 posts)](https://guptadeepak.com/tag/machine-identity/)
- [Innovation (47 posts)](https://guptadeepak.com/tag/innovation/)

## Key pages

- [AI Agent Observability, Evaluation & Governance: The 2026 Market Reality Check](https://guptadeepak.com/ai-agent-observability-evaluation-governance-the-2026-market-reality-check/)
- [AI Chat with PDF: Comprehensive Analysis & Market Overview](https://guptadeepak.com/ai-chat-with-pdf-comprehensive-analysis-market-overview/)
- [AI-Powered Marketing Revolution: Strategic Guide to Marketing Intelligence for B2B SaaS](https://guptadeepak.com/ai-powered-marketing-revolution-strategic-guide-to-marketing-intelligence-for-b2b-saas/)
- [AI Voiceover (Text-to-Speech): A Comprehensive Analysis](https://guptadeepak.com/ai-voiceover-text-to-speech-a-comprehensive-analysis/)
- [Akamai's Identity Cloud Shutdown: The Migration Crisis That's Reshaping Enterprise Authentication](https://guptadeepak.com/akamais-identity-cloud-shutdown-the-migration-crisis-thats-reshaping-enterprise-authentication/)
- [All about Hashing Algorithms](https://guptadeepak.com/all-about-hashing-algorithms/)
- [API Security Guide: What to Secure, in What Order](https://guptadeepak.com/api-security-guide/)
- [BLAKE2 and BLAKE3: High-Performance Hashing Alternatives](https://guptadeepak.com/blake2-and-blake3-high-performance-hashing-alternatives/)
- [Blockchain Fundamentals: Hash Functions in Distributed Ledgers](https://guptadeepak.com/blockchain-fundamentals-hash-functions-in-distributed-ledgers/)
- [Building Enterprise Cybersecurity: A Strategic Guide to Security Categories for B2B SaaS](https://guptadeepak.com/building-enterprise-cybersecurity-a-strategic-guide-to-security-categories-for-b2b-saas/)
- [California's DROP: The First-of-Its-Kind Data Deletion Platform That Could Reshape Global Privacy Standards](https://guptadeepak.com/californias-drop-the-first-of-its-kind-data-deletion-platform-that-could-reshape-global-privacy-standards/)
- [Choosing the Right Hash Algorithm: A Decision Framework](https://guptadeepak.com/choosing-the-right-hash-algorithm-a-decision-framework/)
- [CIAM Performance Optimization and Scalability Guide](https://guptadeepak.com/ciam-performance-optimization-and-scalability-guide/)
- [CIAM Security Best Practices: A Comprehensive Implementation Guide](https://guptadeepak.com/ciam-security-best-practices-a-comprehensive-implementation-guide/)
- [Comprehensive Analysis: AI Image Editing, Generation & Restoration](https://guptadeepak.com/comprehensive-analysis-ai-image-editing-generation-restoration/)
- [CIAM Providers Directory: 34 Identity and Authentication Platforms](https://guptadeepak.com/comprehensive-ciam-providers-directory-top-identity-authentication-solutions/)
- [Comprehensive Guide to CIAM Implementation: Components, Configuration, and Best Practices](https://guptadeepak.com/comprehensive-guide-to-ciam-implementation-components-configuration-and-best-practices/)
- [Computer and Cyber Security](https://guptadeepak.com/computer-and-cyber-security/)
- [Customer Identity And Access Management (CIAM) Security Buyers' Guide 2026](https://guptadeepak.com/customer-identity-and-access-management-ciam-security-buyers-guide-2025/)
- [Glossary](https://guptadeepak.com/cybersecurity-glossary/)
- [Cybersecurity Tools](https://guptadeepak.com/cybersecurity-tools/)
- [Data Integrity Verification: Implementing Checksums and Hash Verification](https://guptadeepak.com/data-integrity-verification-implementing-checksums-and-hash-verification/)
- [Data Mining Approaches for Big Data and Sentiment Analysis in Social Media](https://guptadeepak.com/data-mining-approaches-for-big-data-and-sentiment-analysis-in-social-media/)
- [Data Privacy - What Enterprises Need to Know?](https://guptadeepak.com/data-privacy-what-enterprises-need-to-know-book/)
- [Don’t Ever Think About Passwords Again](https://guptadeepak.com/dont-ever-think-about-passwords-again/)
- [Enterprise CIAM Strategy Guide](https://guptadeepak.com/enterprise-ciam-strategy-guide/)
- [Personal Security & Privacy Checklist 2026](https://guptadeepak.com/essential-security-privacy-checklist-2025-personal/)
- [Generative Engine Optimization (GEO): Market Research & Industry Analysis 2026](https://guptadeepak.com/generative-engine-optimization-geo-market-research-industry-analysis-2026/)
- [The Complete Guide to Grok AI: What It Is, How It Works, Pricing, and How It Compares](https://guptadeepak.com/grok-ai/)
- [Grok 4.6 Technical Analysis: Architecture & Benchmarks](https://guptadeepak.com/grok-ai-technical-analysis-architecture-performance-benchmarks-and-engineering-insights/)

## Site indices

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Permission: this site permits AI engines (ChatGPT, Claude, Perplexity, Gemini, etc.) to cite, summarize, and link to its content. Original works are CC BY 4.0 unless otherwise noted; attribution to Deepak Gupta (https://guptadeepak.com) is required.