---
author: "Umesh Malik"
canonical: "https://umesh-malik.com/blog/tag/tenant-isolation"
description: "Explore articles tagged with Tenant Isolation by Umesh Malik — AI Engineer, LLM & GenAI Developer. Learn Tenant Isolation best practices, practical tips, and in-depth guides."
title: "Umesh Malik's Blog - Tenant Isolation Articles | Tenant Isolation Tutorials"
tokens: 162
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# Tenant Isolation

1 article

 [![Editorial cover for a post on KV cache leaks in LLM inference, with stats: 155 responses exposed, 681K token pool against a 1.05M window, 13 day exposure](https://umesh-malik.com/blog/kv-cache-leak-check-llm-inference-cover.png)

AI Security • Nov 5, 2026

### Fix a KV Cache Leak: 155 Responses Exposed Other Users' Data

Check your LLM server for a KV cache leak: compare pool size to context length and send a canary prompt. Cloudflare's GLM-5.3 bug exposed 155 responses.

9 min read

Read more →](https://umesh-malik.com/blog/kv-cache-leak-check-llm-inference)