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Kerberoasting Attempt

Low Open
ALR-00494 · 2026-07-10T23:42:11Z

Description

Kerberoasting attack detected: user 'p.thomas' requested TGS tickets for multiple service accounts in 2 minutes. Flagged by Attack Surface Scanner.

Alert Metadata

Alert ID
ALR-00494
Timestamp
2026-07-10T23:42:11Z
Severity
Low
Status
Open
Detection Source
Attack Surface Scanner
Assigned Analyst
EmilyAI (auto)

Endpoint Information

Hostname
WS-PC-001
User Account
p.thomas
Source IP
185.67.220.121
Destination IP
10.1.130.215
Origin Country
DE Germany

MITRE ATT&CK Mapping

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

Investigation Timeline

23:42:11 Event ingested by SOC365 Engine
23:42:14 EmilyAI triage started — correlation enrichment
23:42:22 EmilyAI confidence: 95% — escalated to human analyst
23:42:36 Alert assigned to analyst: EmilyAI (auto)
23:43:18 Investigation started — querying SIEM and threat intelligence

Related Alerts

ID Time Alert Severity Status Host
ALR-00300 5h ago Failed MFA Challenge Medium Escalated WS-PC-001
ALR-00276 18h ago Kerberoasting Attempt Informational False Positive SRV-SQL-01
ALR-00438 18h ago C2 Beacon Activity Low Open WS-PC-001
ALR-00317 1d ago Kerberoasting Attempt Low False Positive WS-PC-003
ALR-00087 1d ago Suspicious Scheduled Task Informational False Positive WS-PC-001