feat: Enhance UEBA Essentials with multi-cloud detection capabilities

[ofirga-ms]

• Add customer-facing blog post for release communication

Total: 26 hunting queries (increased from 20)
Version: 3.0.1

Required items, please complete

Change(s):

• Add 6 new hunting queries for AWS, GCP, and Okta anomaly detection

• Add Anomalous AWS Console Login Without MFA from Uncommon Country

• Add Anomalous First-Time Device Logon (MDE integration)

• Add Anomalous GCP IAM Activity detection

• Add Anomalous High-Privileged Role Assignment

• Add Anomalous Okta First-Time or Uncommon Actions

• Add UEBA Multi-Source Anomalous Activity Overview

• Enhance existing queries with improved entity mappings

• Update Anomalous connection from highly privileged user

• Update Dormant Local Admin Logon with better accuracy

• Fix typos: BlasrRadius -> BlastRadius in multiple files

• Rename queries for consistency and clarity

• Update package templates with new query definitions

• Clean up orphaned files and maintain solution integrity

• Add comprehensive documentation for changes

  Reason for Change(s):

  • Enhanced UEBA Essentials solution with 6 new multi-cloud hunting queries (AWS, GCP, Okta) to provide comprehensive threat detection across hybrid cloud environments, addressing the modern enterprise need for unified security monitoring beyond Azure-only coverage.

  Version Updated:

  • Changed from 3.01 to 4.0

  Testing Completed:

  • No. Need help.

  Checked that the validations are passing and have addressed any issues that are present:
  -Need help verifying

[ofirga-ms]

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