30 days as per: https://video2.skills-academy.com/en-us/microsoft-365/security/office-365-security/mdo-data-retention?view=o365-worldwide
Microsoft Azure and 365 security logs retention?
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EnterpriseArchitect
5,296
Reputation points
How far back or how long does Microsoft keep the logs that the Kusto QL may query from this website https://security.microsoft.com/v2/advanced-hunting?