Microsoft outage gives customers a crash course in dependence on Redmond
Summary
The Register reports on a prolonged Microsoft 365 outage that disrupted Exchange Online, file access, Teams, Copilot, and Education services, highlighting the broader risk of heavy reliance on a single vendor. Critics from Nextcloud and others frame the incident as a warning about monocultures in critical IT infrastructure and urge diversification, multi-cloud strategies, and air-gapped backups. The piece also notes ongoing guidance to migrate from legacy Exchange Server versions and discusses the cost and resilience implications for organizations.