Cybercriminals are promoting malicious Microsoft OAuth apps that masquerade as Adobe and DocuSign apps to deliver malware and steal Microsoft 365 accounts credentials. The campaigns were discovered by ...

A trio of ongoing campaigns have highlighted once again the continued popularity among cybercriminals of malicious OAuth apps as a go-to attack method. In one wave of recent attacks, threat actors ...

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 ...

Russian threat actors have been abusing legitimate OAuth 2.0 authentication workflows to hijack Microsoft 365 accounts of employees of organizations related to Ukraine and human rights. The adversary ...