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Lateral Movement Detected

Medium Resolved
ALR-00039 · 2026-05-26T15:49:54Z

Description

EmilyAI Triage detected lateral movement from WS-PC-003 to SRV-DC-01 using user 'system' credentials. SMB admin shares accessed.

Alert Metadata

Alert ID
ALR-00039
Timestamp
2026-05-26T15:49:54Z
Severity
Medium
Status
Resolved
Detection Source
EmilyAI Triage
Assigned Analyst
Sarah Chen

Endpoint Information

Hostname
WS-PC-003
User Account
system
Source IP
91.53.195.136
Destination IP
10.0.203.49
Origin Country
CN China

MITRE ATT&CK Mapping

Tactic
Lateral Movement
Technique
T1021.002
Reference
attack.mitre.org/techniques/T1021.002

Investigation Timeline

15:49:54 Event ingested by SOC365 Engine
15:49:55 EmilyAI triage started — correlation enrichment
15:50:05 EmilyAI confidence: 79% — escalated to human analyst
15:50:38 Alert assigned to analyst: Sarah Chen
15:51:18 Investigation started — querying SIEM and threat intelligence
15:54:19 Containment action taken — endpoint isolated
16:02:40 Alert resolved — remediation complete

Related Alerts

ID Time Alert Severity Status Host
ALR-00042 4h ago Ransomware Behaviour Detected Medium Open WS-PC-003
ALR-00234 12h ago Lateral Movement Detected Medium Resolved SRV-WEB-01
ALR-00462 23h ago DLP Policy Violation Low Resolved WS-PC-003
ALR-00144 1d ago Privilege Escalation Attempt Informational False Positive WS-PC-003
ALR-00372 1d ago Lateral Movement Detected Low Escalated WS-LAP-012