Rrathsarainrr-cyber.hashnode.dev·6d ago · 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 carrie12N
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
HSHarshal Shahindelvingwithharshal.hashnode.dev·Jul 28 · 7 min readRAG Security: Threats, Attack Vectors, and Best Practices for Enterprise AIRetrieval Augmented Generation (RAG) has become the backbone of enterprise AI applications, enabling Large Language Models (LLMs) to provide accurate, context aware responses using organizational data00
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
Rrathsarainrr-cyber.hashnode.dev·Jul 18 · 14 min readOperationalising It: Making Prisma Cloud Actually UsefulAfter the Rollout: The Work That Actually Starts Deploying Prisma Cloud took months. Making it operational took longer. By the time CWPP was live across OCI and GCP and CSPM was covering all four clou11N
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
Rrathsarainrr-cyber.hashnode.dev·Jun 27 · 9 min readDeploying Prisma Cloud Across AWS, Azure, OCI and GCP: What Actually Happened ?A proof of concept tells you a product works. It doesn't tell you what happens when you try to onboard fifty-plus business units, four cloud providers, and four identity stacks without breaking anythi00
Rrathsarainrr-cyber.hashnode.dev·May 23 · 10 min readFour Clouds, No Visibility: The Multi-Cloud Security Problem Nobody Had Budgeted ForHow We Ended Up Here I joined as a Cloud and Operations Security Specialist. Secure the cloud stack, operationalise it. That was the brief. Nobody mentioned there were four. Before anything else, I wa10
Rrathsarainrr-cyber.hashnode.dev·May 19 · 11 min readBuilding The Technical Foundation For Continuous Vulnerability VisibilityThis is the second article in the series. The first one covered why our periodic scanning model had stopped working at scale. This one is the technical account of what we built in its place. A quick n10