22/04/2026
The cloud was meant to make business email simple and reliable, and for years, it did. But massive outages and rising regulatory pressure have exposed a new reality for organizations on Microsoft 365. Continuity is your responsibility, not the vendor’s. In January 2026, a global M365 outage left every tenant in the dark. For firms regulated by DORA and NIS2, the impact went beyond inconvenience without a tested fallback; business continuity lapses became compliance violations carrying real risk of fines and intervention.
Across frameworks from DORA and NIS2 to HIPAA, FISMA, and GDPR, the message is clear: “the vendor went down” is not an acceptable answer. The burden of proof and the expectation to keep email systems running even during a provider’s downtime now sits with your organization.
The solution isn’t abandoning M365, but extending it, building in resilience through an active-standby email architecture. This means keeping a live secondary environment (cloud or on-premise) in sync at all times, with failover tested and seamless for end users, and verifiable for auditors. Technologies like CB Exchange Server Sync (also available for Exchange x Google Workspace sync) make this dual-environment model practical and compliant, equipping you to pass not just regulatory scrutiny, but real-world outages, with zero data loss and zero learning curve for your teams.
Don’t wait until the next outage or audit to realize this is now regulatory common sense. Design resilience now, so continuity stands when simplicity alone no longer delivers.
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