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Rogue DHCP Server

Low Investigating
ALR-00288 · 2026-04-09T13:23:00Z

Description

Rogue DHCP server detected on VLAN 10 from WS-LAP-010. Offering IPs in unexpected range. Dark Web Monitor quarantined the device.

Alert Metadata

Alert ID
ALR-00288
Timestamp
2026-04-09T13:23:00Z
Severity
Low
Status
Investigating
Detection Source
Dark Web Monitor
Assigned Analyst
EmilyAI (auto)

Endpoint Information

Hostname
WS-LAP-010
User Account
s.jones
Source IP
103.166.216.15
Destination IP
10.2.45.187
Origin Country
VN Vietnam

MITRE ATT&CK Mapping

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

Investigation Timeline

13:23:00 Event ingested by SOC365 Engine
13:23:05 EmilyAI triage started — correlation enrichment
13:23:14 EmilyAI confidence: 85% — escalated to human analyst
13:23:37 Alert assigned to analyst: EmilyAI (auto)
13:25:20 Investigation started — querying SIEM and threat intelligence

Related Alerts

ID Time Alert Severity Status Host
ALR-00183 9h ago Failed MFA Challenge Medium False Positive WS-LAP-010
ALR-00072 16h ago Rogue DHCP Server Informational Open WS-PC-002
ALR-00460 18h ago Rogue DHCP Server Informational False Positive SRV-APP-01
ALR-00411 21h ago Failed MFA Challenge Low False Positive WS-LAP-010
ALR-00322 21h ago Shadow IT Discovery Low Investigating WS-LAP-010