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Rogue DHCP Server

Low Escalated
ALR-00134 · 2026-10-10T20:40:01Z

Description

Rogue DHCP server detected on VLAN 10 from WS-LAP-011. Offering IPs in unexpected range. Dark Web Monitor quarantined the device.

Alert Metadata

Alert ID
ALR-00134
Timestamp
2026-10-10T20:40:01Z
Severity
Low
Status
Escalated
Detection Source
Dark Web Monitor
Assigned Analyst
EmilyAI (auto)

Endpoint Information

Hostname
WS-LAP-011
User Account
h.roberts
Source IP
103.208.216.206
Destination IP
10.2.13.19
Origin Country
IN India

MITRE ATT&CK Mapping

Tactic
Discovery
Technique
T1557.003
Reference
attack.mitre.org/techniques/T1557.003

Investigation Timeline

20:40:01 Event ingested by SOC365 Engine
20:40:06 EmilyAI triage started — correlation enrichment
20:40:08 EmilyAI confidence: 82% — escalated to human analyst
20:40:27 Alert assigned to analyst: EmilyAI (auto)
20:42:38 Investigation started — querying SIEM and threat intelligence
20:44:58 Containment action taken — endpoint isolated
20:53:42 Alert resolved — remediation complete

Related Alerts

ID Time Alert Severity Status Host
ALR-00338 11h ago Anomalous DNS Query High Investigating WS-LAP-011
ALR-00409 16h ago Unauthorised USB Device Medium Investigating WS-LAP-011
ALR-00436 18h ago Rogue DHCP Server Medium Open WS-LAP-012
ALR-00200 1d ago Rogue DHCP Server Low Escalated WS-LAP-010
ALR-00015 1d ago Suspicious PowerShell Execution Medium Investigating WS-LAP-011