Unwitting employees register a hacker’s device to their account; the crook then uses the resulting OAuth tokens to maintain persistent access.

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 ...

Security researchers warn that threat groups are exploiting Microsoft's OAuth device code authentication to bypass multi-factor protection and hijack enterprise accounts. The technique, with ...

Attackers gain read-only permissions to snoop around Office 365 accounts, including emails, contacts and more. An APT known as TA2552 has been spotted using OAuth2 or other token-based authorization ...

A surge in phishing campaigns abusing Microsoft’s OAuth device code authorization flow has been observed with multiple threat clusters using the technique to gain unauthorized access to Microsoft 365 ...