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Acme Legal Services Ltd Live 17:10:07 UTC

Kerberoasting Attempt

High Open
ALR-00146 · 2026-05-21T17:40:15Z

Description

Kerberoasting attack detected: user 'n.clark' requested TGS tickets for multiple service accounts in 2 minutes. Flagged by Email Gateway.

Alert Metadata

Alert ID
ALR-00146
Timestamp
2026-05-21T17:40:15Z
Severity
High
Status
Open
Detection Source
Email Gateway
Assigned Analyst
Sarah Chen

Endpoint Information

Hostname
WS-PC-003
User Account
n.clark
Source IP
185.154.220.46
Destination IP
10.3.9.120
Origin Country
US United States

MITRE ATT&CK Mapping

Tactic
Credential Access
Technique
T1558.003
Reference
attack.mitre.org/techniques/T1558.003

Investigation Timeline

17:40:15 Event ingested by SOC365 Engine
17:40:17 EmilyAI triage started — correlation enrichment
17:40:29 EmilyAI confidence: 82% — escalated to human analyst
17:40:31 Alert assigned to analyst: Sarah Chen
17:42:23 Investigation started — querying SIEM and threat intelligence

Related Alerts

ID Time Alert Severity Status Host
ALR-00383 6h ago Unauthorised USB Device Medium Investigating WS-PC-003
ALR-00019 12h ago DLP Policy Violation Low Resolved WS-PC-003
ALR-00373 1d ago Kerberoasting Attempt Informational Escalated WS-PC-001
ALR-00455 1d ago Malware Signature Match Informational Investigating WS-PC-003
ALR-00107 1d ago Insider Threat Indicator Low False Positive WS-PC-003