Microsoft warns that financially-motivated threat actors are using OAuth applications to automate BEC and phishing attacks, push spam, and deploy VMs for cryptomining. OAuth (short for Open ...

Microsoft says a threat actor gained access to cloud tenants hosting Microsoft Exchange servers in credential stuffing attacks, with the end goal of deploying malicious OAuth applications and sending ...

Microsoft has warned that fraudulent Microsoft Partner Network (MPN) accounts were used in a phishing campaign that featured bogus apps that tricked victims into granting them permissions to access ...

Proofpoint observed campaigns impersonating trusted brands like SharePoint and DocuSign with malicious OAuth applications to get into Microsoft 365 accounts. Threat actors have cooked up a clever way ...