AD FS Archives - Microsoft 365 Security

Protecting your AD FS environment from password (spray) attacks (in an Office 365 context)

by Michael Van Horenbeeck | Dec 20, 2018 | ADFS, Blog, How-To's, Identity, Office 365, Other | 0 |

Recently, I attended the Thrive Conference in Ljubljana, Slovenia. During the IT Pro “Ask the...

Selective authentication for (sub-)domains in Office 365

by Michael Van Horenbeeck | May 28, 2015 | Blog, Identity, Office 365 | 0 |

Office 365 provides various authentication options, such as cloud-IDs, Password Hash Synchronization or federated identities. Leaving out the specifics on how each of these options work, all of them are configured per domain. Whenever trying to access services in Office 365, the user is required to authenticate using its User Principal Name. For sake of simplicity, the general advise it to configure the UPN to match the email address which makes it less confusing for them.