Sushant Virdi
IT Manager, Dubai
Practical notes on AI agents and MCP, Linux servers and security, scholarly library platforms, and the less technical side of the job.
Microsoft-provided SMS and voice MFA ends on 1 February 2027. Find phone-only users, move them to passkeys, and fix the SSPR gap first.
Read the article : Entra ID SMS and Voice MFA Retirement: A 12-Week Checklist Before 1 February 2027How to make retrieval respect who can see what: ACL metadata, Entra ID and Cognito identity, Azure AI Search and Bedrock filters, Salesforce, audits and tests.
13 min read
Upgrade OJS 3.3 directly to 3.5: fix pre-flight blockers first, move to PHP 8.2+, merge config, run upgrade.php, switch cron and keep a tested rollback.
14 min read
Prompt injection, tool poisoning and MCP risks explained from an IT security angle, with practical controls to keep AI agents safe.
8 min read
What agentic RAG adds to basic retrieval, when you actually need it, and lessons from building an internal company knowledge assistant.
8 min read
How MCP servers work in 2026: tools and resources, stdio vs Streamable HTTP, OAuth-based auth, the stateless spec, and where the protocol still falls short.
6 min read
The guides readers come back to most.
Model Context Protocol, retrieval-augmented generation, agent security and the practical side of putting LLMs to work.
Latest Permission-Aware RAG: Making Your Internal AI Assistant Respect Document Access
9 articlesEntra ID and Microsoft 365, FortiGate and UniFi networking, Linux servers, AWS, monitoring and hardening. Step-by-step guides tested on real systems.
Latest Entra ID SMS and Voice MFA Retirement: A 12-Week Checklist Before 1 February 2027
5 articlesInstalling, upgrading and running OJS, DSpace and VuFind, plus what these platforms mean for the people who use them.
Latest How to Upgrade OJS 3.3 to 3.5: Pre-Flight Checks, Upgrade and Rollback
6 articlesFixes for the phone, car and calendar problems that waste an evening.
Latest How to Add Your Outlook Calendar to the Samsung Calendar App
2 articlesEssays on deadlines, offices, wellbeing and the occasional trip.
Latest Poste Lafayette Beach, Mauritius: My Favourite Quiet Spot
4 articles
