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Mimecast Audit - Logon Authentication Failed

Description

Detects threat when logon authentication failure found in audit
Rule type
Scheduled
Version
1.0.0
Query frequency
5m
Query period
15m
Trigger
gt 3

Declared MITRE coverage

Declared sources

Metadata from the source file. No dependencies inferred from KQL.

Connectors

Data types

KQL query

Original query, unchanged.

MimecastAudit_CL | where src_s !="" and auditType_s == "Logon Authentication Failed"

Declared entities

IPMailboxCloudApplication

Related content

Links established from declared identifiers and solution manifests.

Source provenance

GitHub

Displayed values come from files in Azure/Azure-Sentinel. They describe the published template, not your workspace configuration.

Source identifier
9c5dcd76-9f6d-42a3-b984-314b52678f20
Additional source files 2Solutions/MimecastAudit/Analytic Rules/MimecastAudit.yamlsource ↗Solutions/MimecastAudit/Data/Solution_MimecastAudit.jsonsolution-membership ↗
GSTEP / CATALOG TRACKING

Added to catalog : 16 Sept 2026 · 05:49 UTC
Last change observed : 16 Sept 2026 · 05:49 UTC

GSTEP sync dates, separate from the source content’s publication dates.