---
id: 5975
title: "Identity Attack Watch: October 2021"
source_domain: semperis.com
source_url: "https://www.semperis.com/blog/identity-attack-watch-october-2021/"
published_at: "2021-10-29T22:21:51Z"
tags: ["active-directory", "revil", "news-roundup", "autodiscover", "exchange-server", "sinclair"]
phying_url: "https://phying.com/item/5975"
lang: en
---

# Identity Attack Watch: October 2021

## Summary

October 2021 roundup: Sinclair's corporate AD domain hit by ransomware; Microsoft warned on risky service-provider access; REvil infrastructure taken down; BlackMatter struck Olympus again; Exchange Autodiscover leaked 100,000 credentials.

## Intelligence Metadata

- **Sources:** semperis.com
- **Published:** 2021-10-29T22:21:51Z
- **Original:** https://www.semperis.com/blog/identity-attack-watch-october-2021/
- **Phying News:** https://phying.com/item/5975