---
id: 5971
title: "Identity Attack Watch: November 2021"
source_domain: semperis.com
source_url: "https://www.semperis.com/blog/identity-attack-watch-november-2021/"
published_at: "2021-11-30T16:16:42Z"
tags: ["zero-day", "active-directory", "ransomware", "healthcare", "news-roundup", "proxyshell"]
phying_url: "https://phying.com/item/5971"
lang: en
---

# Identity Attack Watch: November 2021

## Summary

November 2021 roundup: a Windows zero-day gave admin rights on 10/11 and Server; an Ohio hospital's ransomware hit disrupted patient care; mounting evidence shows unpatched ProxyShell flaws can lead to domain-wide compromise.

## Intelligence Metadata

- **Sources:** semperis.com
- **Published:** 2021-11-30T16:16:42Z
- **Original:** https://www.semperis.com/blog/identity-attack-watch-november-2021/
- **Phying News:** https://phying.com/item/5971