Change stream · Petri IT Knowledgebase
Attackers are Exploiting Microsoft Teams External Chats to Gain Initial Access
28 Oct 2026 · Microsoft 365
Source excerpt
Key Takeaways: Researchers observed more than 400 attacks that used Microsoft Teams external chats as an initial access vector. Attackers impersonated IT support staff to…
A short excerpt. Read the linked source for the full article and context.