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Kerberoasting Attempt

Medium False Positive
ALR-00025 · 2026-05-26T20:43:19Z

Description

Kerberoasting attack detected: user 'f.hall' requested TGS tickets for multiple service accounts in 2 minutes. Flagged by EmilyAI Triage.

Alert Metadata

Alert ID
ALR-00025
Timestamp
2026-05-26T20:43:19Z
Severity
Medium
Status
False Positive
Detection Source
EmilyAI Triage
Assigned Analyst
Emma Richardson

Endpoint Information

Hostname
SRV-APP-01
User Account
f.hall
Source IP
103.57.216.96
Destination IP
10.0.82.241
Origin Country
FR France

MITRE ATT&CK Mapping

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

Investigation Timeline

20:43:19 Event ingested by SOC365 Engine
20:43:21 EmilyAI triage started — correlation enrichment
20:43:33 EmilyAI confidence: 88% — escalated to human analyst
20:44:01 Alert assigned to analyst: Emma Richardson
20:46:17 Investigation started — querying SIEM and threat intelligence
20:51:22 Containment action taken — endpoint isolated
20:58:17 Alert resolved — remediation complete

Related Alerts

ID Time Alert Severity Status Host
ALR-00362 6h ago Port Scan Detected Low Investigating SRV-APP-01
ALR-00447 7h ago Unauthorised USB Device Low Open SRV-APP-01
ALR-00280 9h ago Lateral Movement Detected Medium Escalated SRV-APP-01
ALR-00335 17h ago Kerberoasting Attempt High Investigating WS-PC-003
ALR-00250 1d ago Kerberoasting Attempt Informational Open WS-PC-004