---
id: 5891
title: "Identity Attack Watch: AD Security News, May 2023"
source_domain: semperis.com
source_url: "https://www.semperis.com/blog/identity-attack-watch-ad-security-news-may-2023/"
published_at: "2023-05-31T16:31:47Z"
tags: ["active-directory", "ransomware", "manufacturing", "alphv", "news-roundup", "lockbit", "black-basta"]
phying_url: "https://phying.com/item/5891"
lang: en
---

# Identity Attack Watch: AD Security News, May 2023

## Summary

May 2023 roundup: Black Basta hit ABB's Active Directory and Rheinmetall, LockBit claimed MCNA Dental (nearly 9 million patients), and ALPHV/BlackCat compromised Constellation Software.

## Intelligence Metadata

- **Sources:** semperis.com
- **Published:** 2023-05-31T16:31:47Z
- **Original:** https://www.semperis.com/blog/identity-attack-watch-ad-security-news-may-2023/
- **Phying News:** https://phying.com/item/5891