The latest articles on DEV Community by Suthahar Jegatheesan (@jssuthahar). https://dev.to/jssuthahar https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.us-east-2.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F620563%2Fdb78ed25-3b8a-49b9-a880-3b99fbc54a30.jpeg https://dev.to/jssuthahar en Suthahar Jegatheesan Sat, 03 Oct 2026 14:28:38 +0000 https://dev.to/jssuthahar/hacker-vs-azure-5-attacks-5-defences-protect-your-azure-backend-with-waf-azure-1lcm https://dev.to/jssuthahar/hacker-vs-azure-5-attacks-5-defences-protect-your-azure-backend-with-waf-azure-1lcm <div class="crayons-card c-embed text-styles text-styles--secondary"> <div class="c-embed__content"> <div class="c-embed__cover"> <a href="https://blog.msdevbuild.com/blog/hacker-vs-azure-defences/" class="c-link align-middle" rel="noopener noreferrer"> <img alt="" src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fblog.msdevbuild.com%2F_astro%2Fhacker-vs-azure-defences-cover.hd-lDaS6_Z1bw7QO.png" height="420" class="m-0" width="800"> </a> </div> <div class="c-embed__body"> <h2 class="fs-xl lh-tight"> <a href="https://blog.msdevbuild.com/blog/hacker-vs-azure-defences/" rel="noopener noreferrer" class="c-link"> Hacker vs Azure: 5 Attacks, 5 Defences | MSDEVBUILD </a> </h2> <p class="truncate-at-3"> Five common attacks on one Azure mobile backend and the control that stops each: WAF, Entra ID, an owner check, Key Vault and a private endpoint. </p> <div class="color-secondary fs-s flex items-center"> <img alt="favicon" class="c-embed__favicon m-0 mr-2 radius-0" src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fblog.msdevbuild.com%2Ffavicon.svg" width="64" height="64"> blog.msdevbuild.com </div> </div> </div> </div> azure cloud cybersecurity security Suthahar Jegatheesan Sat, 03 Oct 2026 00:00:00 +0000 https://dev.to/jssuthahar/hacker-vs-azure-defences-five-attacks-on-a-mobile-backend-five-controls-2d0e https://dev.to/jssuthahar/hacker-vs-azure-defences-five-attacks-on-a-mobile-backend-five-controls-2d0e <p>Five common attacks on one Azure mobile backend and the control that stops each: WAF, Entra ID, an owner check, Key Vault and a private endpoint.</p> azure mobilesecurity azurefrontdoor Suthahar Jegatheesan Tue, 29 Sep 2026 14:52:23 +0000 https://dev.to/jssuthahar/the-flash-sale-that-hit-the-database-when-to-use-azure-managed-redis-n45 https://dev.to/jssuthahar/the-flash-sale-that-hit-the-database-when-to-use-azure-managed-redis-n45 <p>The Flash Sale That Hit the Database: When to Use Azure Managed Redis <a href="https://blog.msdevbuild.com/blog/azure-managed-redis-flash-sale/" rel="noopener noreferrer">https://blog.msdevbuild.com/blog/azure-managed-redis-flash-sale/</a></p> Suthahar Jegatheesan Mon, 28 Sep 2026 00:58:40 +0000 https://dev.to/jssuthahar/the-secret-in-your-apk-why-obfuscation-will-not-save-it-4oak https://dev.to/jssuthahar/the-secret-in-your-apk-why-obfuscation-will-not-save-it-4oak <p>The Secret in Your APK: Why Obfuscation Will Not Save It - Read more here <a href="https://blog.msdevbuild.com/blog/mobile-secret-in-apk/" rel="noopener noreferrer">https://blog.msdevbuild.com/blog/mobile-secret-in-apk/</a></p> Suthahar Jegatheesan Mon, 28 Sep 2026 00:53:55 +0000 https://dev.to/jssuthahar/have-you-ever-asked-yourself-how-amazon-ebay-and-shopee-manage-their-products-prices-seller-38a5 https://dev.to/jssuthahar/have-you-ever-asked-yourself-how-amazon-ebay-and-shopee-manage-their-products-prices-seller-38a5 <div class="crayons-card c-embed text-styles text-styles--secondary"> <div class="c-embed__content"> <div class="c-embed__cover"> <a href="https://blog.msdevbuild.com/blog/secure-api-without-login-azure/" class="c-link align-middle" rel="noopener noreferrer"> <img alt="" src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fblog.msdevbuild.com%2F_astro%2Fsecure-api-without-login-azure-cover.IaCi0U46_Z1LEEAc.png" height="420" class="m-0" width="800"> </a> </div> <div class="c-embed__body"> <h2 class="fs-xl lh-tight"> <a href="https://blog.msdevbuild.com/blog/secure-api-without-login-azure/" rel="noopener noreferrer" class="c-link"> Secure an API Without a Login on Azure | MSDEVBUILD </a> </h2> <p class="truncate-at-3"> Browsing products without login was a real requirement. Trusting requests because they came from our own app was the bug, and curl does not care. </p> <div class="color-secondary fs-s flex items-center"> <img alt="favicon" class="c-embed__favicon m-0 mr-2 radius-0" src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fblog.msdevbuild.com%2Ffavicon.svg" width="64" height="64"> blog.msdevbuild.com </div> </div> </div> </div> Suthahar Jegatheesan Fri, 31 Jul 2026 04:34:40 +0000 https://dev.to/jssuthahar/building-a-flutter-copilot-skill-feature-first-architecture-with-riverpod-and-firebase-start-to-4k8j https://dev.to/jssuthahar/building-a-flutter-copilot-skill-feature-first-architecture-with-riverpod-and-firebase-start-to-4k8j <div class="crayons-card c-embed text-styles text-styles--secondary"> <div class="c-embed__content"> <div class="c-embed__cover"> <a href="https://blog.msdevbuild.com/blog/build-flutter-github-copilot-skill-riverpod-firebase/" class="c-link align-middle" rel="noopener noreferrer"> <img alt="" src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fblog.msdevbuild.com%2F_astro%2Fbuild-flutter-github-copilot-skill-riverpod-firebase-cover.s3Vs4oFt_Z1x5gWt.png" height="420" class="m-0" width="800"> </a> </div> <div class="c-embed__body"> <h2 class="fs-xl lh-tight"> <a href="https://blog.msdevbuild.com/blog/build-flutter-github-copilot-skill-riverpod-firebase/" rel="noopener noreferrer" class="c-link"> GitHub Copilot Skill for Flutter (SKILL.md) | MSDEVBUILD </a> </h2> <p class="truncate-at-3"> Build one GitHub Copilot Skill (SKILL.md) so Copilot writes Flutter the way your app does: layered folders, BLoC state, Firebase behind a repository. </p> <div class="color-secondary fs-s flex items-center"> <img alt="favicon" class="c-embed__favicon m-0 mr-2 radius-0" src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fblog.msdevbuild.com%2Ffavicon.svg" width="64" height="64"> blog.msdevbuild.com </div> </div> </div> </div> Suthahar Jegatheesan Wed, 29 Jul 2026 04:42:21 +0000 https://dev.to/jssuthahar/github-copilot-skills-deep-dive-the-missing-layer-between-prompts-instructions-and-agents-1320 https://dev.to/jssuthahar/github-copilot-skills-deep-dive-the-missing-layer-between-prompts-instructions-and-agents-1320 <div class="crayons-card c-embed text-styles text-styles--secondary"> <div class="c-embed__content"> <div class="c-embed__cover"> <a href="https://blog.msdevbuild.com/blog/github-copilot-skills-deep-dive/" class="c-link align-middle" rel="noopener noreferrer"> <img alt="" src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fblog.msdevbuild.com%2F_astro%2Fgithub-copilot-skills-deep-dive-cover.BqSdn055_Z2jvUt0.png" height="420" class="m-0" width="800"> </a> </div> <div class="c-embed__body"> <h2 class="fs-xl lh-tight"> <a href="https://blog.msdevbuild.com/blog/github-copilot-skills-deep-dive/" rel="noopener noreferrer" class="c-link"> GitHub Copilot Skills Deep Dive | MSDEVBUILD </a> </h2> <p class="truncate-at-3"> GitHub Copilot Skills explained by an architect: what they are, how they differ from prompts and instructions, and how to build reusable Skills for teams. </p> <div class="color-secondary fs-s flex items-center"> <img alt="favicon" class="c-embed__favicon m-0 mr-2 radius-0" src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fblog.msdevbuild.com%2Ffavicon.svg" width="64" height="64"> blog.msdevbuild.com </div> </div> </div> </div> ai githubcopilot github llm Suthahar Jegatheesan Mon, 27 Jul 2026 01:57:21 +0000 https://dev.to/jssuthahar/what-is-github-copilot-custom-instructions-and-why-your-project-needs-one-github-copilot-custom-4605 https://dev.to/jssuthahar/what-is-github-copilot-custom-instructions-and-why-your-project-needs-one-github-copilot-custom-4605 <div class="crayons-card c-embed text-styles text-styles--secondary"> <div class="c-embed__content"> <div class="c-embed__cover"> <a href="https://blog.msdevbuild.com/blog/github-copilot-custom-instructions/" class="c-link align-middle" rel="noopener noreferrer"> <img alt="" src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fblog.msdevbuild.com%2F_astro%2Fgithub-copilot-custom-instructions-cover.CgJhcadE_Zz1lAS.png" height="420" class="m-0" width="800"> </a> </div> <div class="c-embed__body"> <h2 class="fs-xl lh-tight"> <a href="https://blog.msdevbuild.com/blog/github-copilot-custom-instructions/" rel="noopener noreferrer" class="c-link"> Copilot Custom Instructions | MSDEVBUILD </a> </h2> <p class="truncate-at-3"> GitHub Copilot custom instructions explained with a real Flutter app you can clone: what the file is, why every project needs one, and beginner mistakes. </p> <div class="color-secondary fs-s flex items-center"> <img alt="favicon" class="c-embed__favicon m-0 mr-2 radius-0" src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fblog.msdevbuild.com%2Ffavicon.svg" width="64" height="64"> blog.msdevbuild.com </div> </div> </div> </div> ai github productivity tools Suthahar Jegatheesan Wed, 20 May 2026 00:00:00 +0000 https://dev.to/jssuthahar/short-video-the-queue-drained-nothing-was-consuming-it-2f79 https://dev.to/jssuthahar/short-video-the-queue-drained-nothing-was-consuming-it-2f79 <p>One Service Bus default, six hours, and 4,318 orders that never existed. A 32-second short video, step by step.</p> azure shortvideo azureservicebus Suthahar Jegatheesan Sun, 17 May 2026 00:00:00 +0000 https://dev.to/jssuthahar/building-your-first-github-copilot-skill-a-net-clean-architecture-skillmd-start-to-finish-426o https://dev.to/jssuthahar/building-your-first-github-copilot-skill-a-net-clean-architecture-skillmd-start-to-finish-426o <p>A build-along for .NET developers: create one GitHub Copilot Skill (SKILL.md) that enforces Clean Architecture, CQRS and your API contract.</p> githubcopilot copilotskills skillmd