Introduction As organizations embrace Microsoft 365 Copilot (Copilot), a new category of risk emerges: what happens when Copilot grounds its responses in untrusted external emails? Messages from ex...

Introduction Microsoft 365 Copilot (Copilot) grounds its responses in your organizational data—emails, files, chats—and, optionally, the public web. With web search enabled, Copilot fetches real-ti...

Potentially Unwanted Applications, or PUA,  they aren't necessarily malware, but they are applications you probably don't want running across your environment either.  Microsoft defines potentially...

Email remains one of the most common entry points for security threats. Yet email products often describe the same activity with different table names, fields, and values. This makes it harder to bui...