At the end of August, CERT-Bund published a figure summarizing the patch status of German mail infrastructure: Around 85 percent of on-premises Exchange servers in Germany are vulnerable to CVE-2026-62911.Microsoft closed th…
What you need to decide by August 31!Starting October 1, 2026, Microsoft will begin disabling Exchange Web Services (EWS) in Exchange Online on a per-tenant basis. All tenants that have not taken action by then will be affec…
Hero-Link vorbereiten: DefaultMainLinkScope ... Eine einzige Datei in SharePoint sammelt über Monate ein Dutzend Freigabelinks an: einen für das Projektteam, einen für den externen Dienstleister, einen anonymen aus dem Jahr …
federatedTokenValidationPolicy mandatory from August 2026!Federated authentication is one of the oldest trust anchors in Microsoft environments and at the same time one of the most dangerous. Whoever binds AD FS or a third-p…
Auditing MFA, Conditional Access, privileged roles, guests, and Exchange mailboxes with raw data instead of portal clicksA click through the admin centers does not reveal a compromised tenant. Spot checks in the web interfac…
Microsoft to delete unlicensed accounts and archives from July 2026Microsoft is introducing a new lifecycle for unlicensed OneDrive accounts starting in July 2026, under which unpaid archives will be permanently deleted afte…
WARNING – US GOVERNMENT BANS FABLE 5 EXPORTS! The US government has restricted access to Fable 5 and Mythos 5 under an export control directive citing national security concerns, effectively blocking access for all non-US us…
Harden M365 Tenant via PowerShell & GraphEveryone knows the situation with a fresh M365 tenant: You click through one admin center after another and configure everything as you see fit. This costs time, because each portal h…
A do-release-upgrade from Ubuntu 25.10 to 26.04 LTS may fail because the system considers the target distribution invalid. The error message "Distribution data outdated" appears even though the system has been fully updated …
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