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 ...

The FBI is warning that a new hacking platform is allowing cybercriminals to hijack Microsoft 365 accounts — including Outlook, Teams and OneDrive — while bypassing multi-factor authentication ...

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 ...

Attackers are targeting Microsoft Office 365 users with a Coinbase-themed attack, aiming to take control of their inboxes via OAuth. Office 365 users are receiving emails purporting to come from ...

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 new phishing-as-a-service (PhaaS) platform called Kali365 is being distributed in the wild, primarily via Telegram, the FBI has warned. First detected in April 2026, Kali365 provides cyber threat ...

The FBI warns that Kali365 phishing attacks can bypass Microsoft 365 MFA by stealing OAuth session tokens through device code phishing.

The FBI warned that Kali365 can hijack Microsoft 365 accounts by abusing device code authentication and capturing OAuth tokens.

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 ...

FBI flags Kali365, a phishing kit sold on Telegram which steals Microsoft 365 OAuth tokens and bypasses MFA Victims are tricked into entering device codes on legitimate Microsoft pages, unknowingly ...

A coding error in several Microsoft 365 Android apps could have allowed a malicious app on the same device to silently obtain account tokens and act as the signed-in user, according to new research ...