The EU Open Source Strategy COM(2026) 503 redefines how public bodies select collaboration software, imposing open-source-first evaluation criteria and supply-chain transparency that directly challenge US vendor lock-in.
Microsoft Teams and Zoom route call metadata and media through US-controlled infrastructure, creating CLOUD Act and FISA 702 exposure. This article explains sovereign open-source alternatives and how to deploy them compliantly.
SharePoint Online and Google Drive expose classified and privileged documents to foreign-jurisdiction access orders. This article explains how to build a provable, audit-ready sovereign file sharing environment.
Microsoft Teams and Slack store regulated conversations on US-controlled servers, creating CLOUD Act exposure. The Matrix open standard and Element client enable fully self-hosted, federated messaging that keeps data within sovereign infrastructure.
Enterprise email routed through US-controlled providers is subject to CLOUD Act and FISA 702 access. This guide explains how sovereign S/MIME deployment, Swiss or EU-hosted mail stacks, and post-quantum certificate strategies remove...
European organisations under GDPR, NIS-2 and DORA face real jurisdictional risk when their identity provider is controlled by a US entity. This guide covers self-hosted IAM alternatives.
The EU Data Act (Regulation (EU) 2023/2854) imposes enforceable switching and portability obligations on cloud providers from September 2025. This article maps the mechanisms of lock-in, the legal protections available and the...
Moving from Microsoft 365 to a sovereign Nextcloud Hub environment requires careful planning across technical migration, compliance governance and user adoption. This guide covers every phase.
