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Rogue DHCP Server

Medium False Positive
ALR-00170 · 2026-07-05T11:08:25Z

Description

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

Alert Metadata

Alert ID
ALR-00170
Timestamp
2026-07-05T11:08:25Z
Severity
Medium
Status
False Positive
Detection Source
Cloud Connector
Assigned Analyst
James Okonkwo

Endpoint Information

Hostname
WS-LAP-010
User Account
m.taylor
Source IP
103.117.216.76
Destination IP
10.2.31.96
Origin Country
US United States

MITRE ATT&CK Mapping

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

Investigation Timeline

11:08:25 Event ingested by SOC365 Engine
11:08:30 EmilyAI triage started — correlation enrichment
11:08:37 EmilyAI confidence: 97% — escalated to human analyst
11:08:49 Alert assigned to analyst: James Okonkwo
11:10:37 Investigation started — querying SIEM and threat intelligence
11:14:44 Containment action taken — endpoint isolated
11:24:41 Alert resolved — remediation complete

Related Alerts

ID Time Alert Severity Status Host
ALR-00131 6h ago Unusual Outbound Traffic Medium False Positive WS-LAP-010
ALR-00292 11h ago C2 Beacon Activity Informational Resolved WS-LAP-010
ALR-00416 14h ago Rogue DHCP Server High Escalated WS-PC-004
ALR-00483 15h ago Failed MFA Challenge Informational False Positive WS-LAP-010
ALR-00293 17h ago Rogue DHCP Server Low Open SRV-WEB-01