Rogue DHCP Server
High
Investigating
ALR-00164 · 2026-05-27T09:23:03Z
Description
Rogue DHCP server detected on VLAN 10 from SRV-MAIL-01. Offering IPs in unexpected range. Email Gateway quarantined the device.
Alert Metadata
Endpoint Information
MITRE ATT&CK Mapping
Investigation Timeline
09:23:03
Event ingested by SOC365 Engine
09:23:04
EmilyAI triage started — correlation enrichment
09:23:18
EmilyAI confidence: 93% — escalated to human analyst
09:23:38
Alert assigned to analyst: Marcus Webb
09:24:38
Investigation started — querying SIEM and threat intelligence
Related Alerts
| ID | Time | Alert | Severity | Status | Host |
|---|---|---|---|---|---|
| ALR-00375 | 2h ago | Phishing Email Blocked | Low | Open | SRV-MAIL-01 |
| ALR-00039 | 3h ago | C2 Beacon Activity | Low | Escalated | SRV-MAIL-01 |
| ALR-00200 | 4h ago | Rogue DHCP Server | Informational | False Positive | SRV-FILE-01 |
| ALR-00371 | 5h ago | Rogue DHCP Server | Low | False Positive | SW-CORE-01 |
| ALR-00025 | 7h ago | Rogue DHCP Server | Medium | False Positive | WS-LAP-011 |