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Port Scan Detected

Medium False Positive
ALR-00070 · 2026-10-07T10:39:36Z

Description

Sequential port scan (1-1024) detected targeting SRV-DC-01 from external IP. Email Gateway identified SYN scan pattern.

Alert Metadata

Alert ID
ALR-00070
Timestamp
2026-10-07T10:39:36Z
Severity
Medium
Status
False Positive
Detection Source
Email Gateway
Assigned Analyst
Sarah Chen

Endpoint Information

Hostname
SRV-DC-01
User Account
j.smith
Source IP
45.52.148.225
Destination IP
10.0.164.104
Origin Country
UA Ukraine

MITRE ATT&CK Mapping

Tactic
Reconnaissance
Technique
T1046
Reference
attack.mitre.org/techniques/T1046

Investigation Timeline

10:39:36 Event ingested by SOC365 Engine
10:39:38 EmilyAI triage started — correlation enrichment
10:39:47 EmilyAI confidence: 83% — escalated to human analyst
10:40:11 Alert assigned to analyst: Sarah Chen
10:42:01 Investigation started — querying SIEM and threat intelligence
10:48:38 Containment action taken — endpoint isolated
10:50:31 Alert resolved — remediation complete

Related Alerts

ID Time Alert Severity Status Host
ALR-00019 4h ago Suspicious PowerShell Execution Low Investigating SRV-DC-01
ALR-00385 4h ago Credential Stuffing Attempt Informational Open SRV-DC-01
ALR-00196 6h ago Port Scan Detected Low Open SRV-MAIL-01
ALR-00177 6h ago Pass-the-Hash Detected High Escalated SRV-DC-01
ALR-00397 8h ago Failed MFA Challenge High Investigating SRV-DC-01