Rrathsarainrr-cyber.hashnode.dev·Aug 14 · 31 min readUnderstanding OAuth 2.0: Delegation, Grant Types, and the Attacks That Actually HappenThe first time I heard the term OAuth, I didn't know what it meant. I was in a conversation with a DBA lead about something adjacent to authentication and authorization, and he mentioned, almost in pa00
Rrathsarainrr-cyber.hashnode.dev·Aug 6 · 15 min readIdentity Foundations: Everything Before OAuthBefore any protocol makes sense on its own terms, a few things underneath it need to be settled first: what authentication and authorization actually are as distinct concepts, how identity gets carrie13N
Rrathsarainrr-cyber.hashnode.dev·Aug 5 · 9 min readIdentity Was the Gap I Did Not Know I HadI had worked across cloud security engineering, vulnerability assessment, penetration testing, and application security. I had reviewed IAM configurations across multiple cloud platforms, flagged over11N
BPBhargav Patilincyberpub.hashnode.dev·Aug 2 · 3 min readThe File Systems in Operating Systems:What's a file System -: So in an Operating System,we perform numerous activities such as creating a file,deleting a file,editing and so on. So to store all these,we need a storage device,such as a S10
JUJAIMIN UMARANIYAinjaiminumaraniya.hashnode.dev·Jul 30 · 4 min readThe Complete Technical SEO Guide for React Applications By Jaimin Umaraniya (2026)Is React good for SEO? Yes, but only if you handle rendering, metadata, and performance correctly. Installing Next.js doesn't fix your SEO by itself. It just hands you more rendering options to choose10
Rrathsarainrr-cyber.hashnode.dev·Jul 22 · 9 min readEverything Passed. Then the End-to-End Ping Failed.I dedicated my final year project to an unsung hero. Stanislav Petrov, the Soviet lieutenant colonel who prevented nuclear war by deciding not to trust a system that told him it was certain. My superv10
Rrathsarainrr-cyber.hashnode.dev·Jul 19 · 8 min readI Built What I Thought Was a Secure App. Here's Everything I Got Wrong.During the final year of my undergraduate studies, my team submitted a cloud-based banking application as part of our Network and Cloud Security coursework. We had competition. Two other teams were bu10
MMMainStay Marketinginmainstay.hashnode.dev·Jul 13 · 3 min readBuilding Resilient Webhooks: Managing Real-Time State Changes in High-Volume Enterprise CRMs Webhooks have rapidly become the de facto standard for real-time, event-driven integrations in modern SaaS architectures. When a lead’s status changes in a high-volume CRM like LeadSquared, a webhook 00
Rrathsarainrr-cyber.hashnode.dev·Jun 26 · 17 min readThree Vendors, One Verdict: Evaluating CSPM and CWPP at Enterprise ScaleA Note Before This Goes Further Everything in this article reflects a specific environment: an OCI-majority estate, thirty compartments, fifty-plus business units, and compliance obligations across IS10
PPavithrainwithlovepavithra.hashnode.dev·Jun 12 · 4 min readFrom White Coats to Lines of Code - My Beautiful JourneyA few years ago, I was certain about my future. I knew exactly what I wanted to become, the dream I wanted to chase, and the life I imagined for myself. But sometimes life has plans of its own, and th00
