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Kerberoasting Attempt

High Escalated
ALR-00153 · 2026-10-09T17:58:38Z

Description

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

Alert Metadata

Alert ID
ALR-00153
Timestamp
2026-10-09T17:58:38Z
Severity
High
Status
Escalated
Detection Source
Email Gateway
Assigned Analyst
Sarah Chen

Endpoint Information

Hostname
WS-LAP-010
User Account
h.roberts
Source IP
45.47.148.135
Destination IP
10.2.199.215
Origin Country
NL Netherlands

MITRE ATT&CK Mapping

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

Investigation Timeline

17:58:38 Event ingested by SOC365 Engine
17:58:41 EmilyAI triage started — correlation enrichment
17:58:48 EmilyAI confidence: 79% — escalated to human analyst
17:58:55 Alert assigned to analyst: Sarah Chen
17:59:39 Investigation started — querying SIEM and threat intelligence
18:06:38 Containment action taken — endpoint isolated
18:09:13 Alert resolved — remediation complete

Related Alerts

ID Time Alert Severity Status Host
ALR-00277 1h ago Brute Force SSH High Open WS-LAP-010
ALR-00079 1h ago Malware Signature Match Informational Resolved WS-LAP-010
ALR-00080 5h ago Suspicious PowerShell Execution Medium Escalated WS-LAP-010
ALR-00467 9h ago Unauthorised USB Device Informational Resolved WS-LAP-010
ALR-00075 15h ago DLP Policy Violation Medium False Positive WS-LAP-010