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Kerberoasting Attempt

Critical Investigating
ALR-00396 · 2026-07-07T11:33:37Z

Description

Kerberoasting attack detected: user 'k.brown' requested TGS tickets for multiple service accounts in 2 minutes. Flagged by Network IDS.

Alert Metadata

Alert ID
ALR-00396
Timestamp
2026-07-07T11:33:37Z
Severity
Critical
Status
Investigating
Detection Source
Network IDS
Assigned Analyst
Emma Richardson

Endpoint Information

Hostname
WS-PC-001
User Account
k.brown
Source IP
45.116.148.181
Destination IP
10.2.132.41
Origin Country
GB United Kingdom

MITRE ATT&CK Mapping

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

Investigation Timeline

11:33:37 Event ingested by SOC365 Engine
11:33:41 EmilyAI triage started — correlation enrichment
11:33:46 EmilyAI confidence: 86% — escalated to human analyst
11:34:06 Alert assigned to analyst: Emma Richardson
11:36:23 Investigation started — querying SIEM and threat intelligence

Related Alerts

ID Time Alert Severity Status Host
ALR-00046 7h ago C2 Beacon Activity Informational False Positive WS-PC-001
ALR-00201 12h ago Kerberoasting Attempt Medium Investigating SRV-MAIL-01
ALR-00443 12h ago Insider Threat Indicator Medium Resolved WS-PC-001
ALR-00271 13h ago Kerberoasting Attempt Medium Open VM-DEV-01
ALR-00241 18h ago DecoyPulse Honeypot Triggered High Open WS-PC-001