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Acme Legal Services Ltd Live 15:54:20 UTC

Kerberoasting Attempt

Informational Resolved
ALR-00022 · 2026-05-22T23:54:36Z

Description

Kerberoasting attack detected: user 'system' requested TGS tickets for multiple service accounts in 2 minutes. Flagged by Cloud Connector.

Alert Metadata

Alert ID
ALR-00022
Timestamp
2026-05-22T23:54:36Z
Severity
Informational
Status
Resolved
Detection Source
Cloud Connector
Assigned Analyst
EmilyAI (auto)

Endpoint Information

Hostname
SRV-APP-01
User Account
system
Source IP
185.240.220.103
Destination IP
10.0.250.33
Origin Country
GB United Kingdom

MITRE ATT&CK Mapping

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

Investigation Timeline

23:54:36 Event ingested by SOC365 Engine
23:54:40 EmilyAI triage started — correlation enrichment
23:54:49 EmilyAI confidence: 88% — escalated to human analyst
23:54:57 Alert assigned to analyst: EmilyAI (auto)
23:55:59 Investigation started — querying SIEM and threat intelligence
23:58:10 Containment action taken — endpoint isolated
00:04:37 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-00025 19h ago Kerberoasting Attempt Medium False Positive SRV-APP-01