New Alert for Microsoft 365 Defender Password Spray Detection

Microsoft 365 Defender is rolling out a new alert to detect password spray attacks originating from authentic cloud service providers. The alert, called "Password spray attacks originating from single ISP," will be enabled automatically and will begin rollout in mid-April, concluding by late April. E5 P2 licensed customers will be impacted by this change. If your team is impacted by this alert, there are specific steps you must follow, including validating sign-in attempts from the ISP, validating user logon patterns, identifying compromised users, decommissioning or resetting passwords for compromised accounts, and contacting Microsoft support for investigation and remediation services. For additional information, please see the documentation provided. Message ID: MC543877
Stay informed and ensure your organization is prepared to take action against password spray attacks with this new alert from Microsoft 365 Defender.
The post New Alert for Microsoft 365 Defender Password Spray Detection originally appeared on M365 Admin.
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