SECURITY

Hi All,

Yesterday, Microsoft has released the Exchange SE SU11.

Hi All,

I was stumbling across some weird SPF Records.

Hi All,

I’ve had a customer, where we migrated the Mailboxes to Exchange Online.

Hi All,

Yesterday, Microsoft has released the Exchange SE SU10 V2.

Hi All,

Yesterday, Microsoft has released the Exchange SE SU10.

Hi All,

We have all be warned, that Hard Matching would be disabled starting July, due to the risk of account takeover of synced Accounts.

Hi All,

Last Week, Microsoft has released the Exchange SE SU9. I was in Holidays so i’ve installed it today.

Hi All,

Today Microsoft has released the Exchange SE SU8

Hi All,

A few weeks ago, Microsoft has released the Entra Connect Sync Version 2.6.79.0. It contained an error and was pulled back.

Hi All,

Today Microsoft has released the Exchange SE SU7

Hi All,

Yesterday Microsoft has released an Information about an Exchange Server Vulnerability.

Hi All,

If you are planning or running an Exchange Hybrid Environment, you might have thought about you can secure the Hybrid Mailflow between the Exchange OnPrem and the Exchange Online Infrastructure

Hi All,

I have customers that have enabled Microsoft Purview Customer Key in theyr Tenant. But i’ve never done it myself. So here is a complete Guide on how to Enable Customer Key in a Tenant.

Hi All,

In the last Week i came across two Customers where the PowerShell Constrained Language Mode was active and they had issues to Manage Microsoft 365.

Hi All,

This Morning i was greeted with a Mail from Microsoft, to upgrade my Signing Key of Microsoft Entra Verified Id to a FIPS-compliant key.

Hi All,

Almost a month ago, Microsoft has released a new Version of Entra Connect Sync.

Hi All,

A few days ago, Microsoft has annouced the DANE and MTS STS Connector Modes in Exchange Online.

Hi All,

A few days ago, Microsoft has released a new Version of Entra Connect Sync.

Hi All,

With the MC1188595 in M365 Admin Center, Microsoft has announced the App-only Authentication with Certificate for the Microsoft.Online.SharePoint.PowerShell in the Version 16.0.26712.12000 or newer.

Hi All,

The 39C3 (39th Chaos Communication Congress) was held in Hamburg from December 27–30, 2025. Organized by the Chaos Computer Club and volunteers, this four-day event featured over 160 talks and workshops covering hacking, hardware, AI, digital rights, and the societal implications of technology—under the motto “Power Cycles.” It brought together hackers, activists, artists, and technologists in a collaborative “temporary city” for critical discourse, creative exchange, and hands-on experimentation.