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Certificate Anomaly

Medium Investigating
ALR-00027 · 2026-10-05T12:00:38Z

Description

TLS certificate anomaly detected on WS-LAP-011. Self-signed certificate on port 443 does not match expected corporate CA chain.

Alert Metadata

Alert ID
ALR-00027
Timestamp
2026-10-05T12:00:38Z
Severity
Medium
Status
Investigating
Detection Source
SOC365 Engine
Assigned Analyst
James Okonkwo

Endpoint Information

Hostname
WS-LAP-011
User Account
system
Source IP
91.48.195.36
Destination IP
10.0.237.76
Origin Country
KP North Korea

MITRE ATT&CK Mapping

Tactic
Defence Evasion
Technique
T1553.004
Reference
attack.mitre.org/techniques/T1553.004

Investigation Timeline

12:00:38 Event ingested by SOC365 Engine
12:00:43 EmilyAI triage started — correlation enrichment
12:00:45 EmilyAI confidence: 84% — escalated to human analyst
12:01:21 Alert assigned to analyst: James Okonkwo
12:03:02 Investigation started — querying SIEM and threat intelligence

Related Alerts

ID Time Alert Severity Status Host
ALR-00331 1h ago Failed MFA Challenge Informational Investigating WS-LAP-011
ALR-00035 3h ago Data Exfiltration Attempt High Investigating WS-LAP-011
ALR-00323 7h ago Lateral Movement Detected Informational Escalated WS-LAP-011
ALR-00387 18h ago Certificate Anomaly Informational Escalated VM-DEV-01
ALR-00322 21h ago Certificate Anomaly Medium Open WS-LAP-011