On the point: A widespread service failure in Microsoft Exchange Online disrupts email delivery in North America and Germany and could jeopardize regulatory notification obligations.
A widespread service error impairs the mail-flow pipeline of Microsoft Exchange Online in North America and Germany. Microsoft is working on a solution according to its own statements.
Microsoft is experiencing an outage in Exchange Online that is affecting mail flow for enterprise customers in North America and Germany. According to reports from Bleeping Computer, delays and failures in email sending and receiving have been documented.
For CISOs, the outage represents the risk of email delays in critical business processes and security communications. If the disruption persists, regulatory notification obligations (such as under NIS2) could be compromised, as they rely on reliable communication. Additionally, security alerts and incident notifications may be delayed.
Microsoft has identified the disruption and states it is working on a resolution. Affected organizations should monitor the service status in their admin portals and – if not already done – initiate alternative communication channels for security-critical notifications to avoid jeopardizing reporting deadlines.
Source: www.bleepingcomputer.com · Published 2 June 2026
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