# Kali365 Attack Abuses Microsoft Authentication to Target US Enterprises

Threat actors tracked as Kali365 are weaponizing Microsoft’s authentication mechanisms in campaigns against US companies. This novel technique allows them to bypass common security controls, posing a significant new risk for enterprise environments. Organizations should review authentication policies and monitor for anomalous sign-ins.

**Importance:** 4/5

## Sources

### Security
- [The Hacker News](https://thehackernews.com/2026/08/kali365-weaponizes-microsoft.html) — Wed, 05 Aug 2026 17:13:19 +0530