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Kerberoasting Attempt

Medium Resolved
ALR-00157 · 2026-10-08T13:48:37Z

Description

Kerberoasting attack detected: user 'r.davies' requested TGS tickets for multiple service accounts in 2 minutes. Flagged by Firewall.

Alert Metadata

Alert ID
ALR-00157
Timestamp
2026-10-08T13:48:37Z
Severity
Medium
Status
Resolved
Detection Source
Firewall
Assigned Analyst
Sarah Chen

Endpoint Information

Hostname
WS-PC-006
User Account
r.davies
Source IP
194.199.62.215
Destination IP
10.2.91.46
Origin Country
NL Netherlands

MITRE ATT&CK Mapping

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

Investigation Timeline

13:48:37 Event ingested by SOC365 Engine
13:48:42 EmilyAI triage started — correlation enrichment
13:48:50 EmilyAI confidence: 92% — escalated to human analyst
13:49:19 Alert assigned to analyst: Sarah Chen
13:50:29 Investigation started — querying SIEM and threat intelligence
13:51:48 Containment action taken — endpoint isolated
14:04:06 Alert resolved — remediation complete

Related Alerts

ID Time Alert Severity Status Host
ALR-00400 15h ago Shadow IT Discovery Medium Investigating WS-PC-006
ALR-00042 15h ago Anomalous DNS Query High Investigating WS-PC-006
ALR-00094 19h ago Insider Threat Indicator Medium Investigating WS-PC-006
ALR-00066 1d ago Credential Stuffing Attempt Medium Escalated WS-PC-006
ALR-00373 1d ago Kerberoasting Attempt Low False Positive WS-LAP-010