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Kerberoasting Attempt

Low False Positive
ALR-00382 · 2026-05-25T21:51:31Z

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-00382
Timestamp
2026-05-25T21:51:31Z
Severity
Low
Status
False Positive
Detection Source
Network IDS
Assigned Analyst
EmilyAI (auto)

Endpoint Information

Hostname
SRV-MAIL-01
User Account
k.brown
Source IP
194.231.62.238
Destination IP
10.2.20.152
Origin Country
RU Russia

MITRE ATT&CK Mapping

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

Investigation Timeline

21:51:31 Event ingested by SOC365 Engine
21:51:32 EmilyAI triage started — correlation enrichment
21:51:44 EmilyAI confidence: 80% — escalated to human analyst
21:52:11 Alert assigned to analyst: EmilyAI (auto)
21:52:46 Investigation started — querying SIEM and threat intelligence
22:00:50 Containment action taken — endpoint isolated
22:02:06 Alert resolved — remediation complete

Related Alerts

ID Time Alert Severity Status Host
ALR-00229 1h ago Kerberoasting Attempt Informational Open WS-PC-003
ALR-00168 3h ago Credential Stuffing Attempt Medium Escalated SRV-MAIL-01
ALR-00013 7h ago Data Exfiltration Attempt High Open SRV-MAIL-01
ALR-00437 8h ago Privilege Escalation Attempt High Escalated SRV-MAIL-01
ALR-00401 10h ago Kerberoasting Attempt Low Investigating SRV-BACKUP-01