Microsoft 365 Defender researchers have ... "This results in an ROPC OAuth flow, which returns an “invalid_grant” in case MFA is enabled, so no MFA notification is sent." ...

In a new blog post, published earlier this May, the researchers said that the unnamed attackers would send phishing emails from previously compromised accounts, and would include fake Dynamics 365 ...

Requiring MFA for some or all Microsoft Office 365 users will better protect your network and email system from attacks. This Microsoft Office 365 security tip covers one of the best settings you ...

Security issues and attacks leveraging Microsoft 365 are rampant. In September, researchers said that bugs in the multi-factor authentication system used by Microsoft’s cloud-based office ...

Microsoft’s cloud-based multi-factor authentication services went down ... users may be unable to sign in,” said a notice on Office 365’s service health page, confirming the outage.

With the introduction of the Flow tool in Office 365, workflows can be created just as easily as it was in SharePoint. Workflows have long been one of the more useful features in Microsoft ...

It has now been resolved. According to Microsoft, the disruption primarily impacted users who authenticate with MFA while accessing Microsoft 365 Office apps. Some users have also reported ...

Microsoft is investigating an ongoing Multi-Factor Authentication (MFA ... showing "transient" errors which also knocked down Office 365 and related services, including Microsoft Teams, Office.com ...

Office 365 subscribers are just getting a subset of Microsoft's full Windows Azure Multi-Factor Authentication service (see Table). The Windows Azure Multi-Factor Authentication service was rolled ...

Researchers spotted a new phishing campaign, abusing Dynamics 365 Customer Voice Microsoft's ... said that the attackers are able to capture MFA codes as well, although they didn’t explain ...