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Certificate Anomaly

Low Open
ALR-00338 · 2026-07-08T03:15:10Z

Description

TLS certificate anomaly detected on WS-LAP-010. Self-signed certificate on port 443 does not match expected corporate CA chain.

Alert Metadata

Alert ID
ALR-00338
Timestamp
2026-07-08T03:15:10Z
Severity
Low
Status
Open
Detection Source
DecoyPulse
Assigned Analyst
EmilyAI (auto)

Endpoint Information

Hostname
WS-LAP-010
User Account
h.roberts
Source IP
45.196.148.125
Destination IP
10.3.36.83
Origin Country
FR France

MITRE ATT&CK Mapping

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

Investigation Timeline

03:15:10 Event ingested by SOC365 Engine
03:15:11 EmilyAI triage started — correlation enrichment
03:15:17 EmilyAI confidence: 80% — escalated to human analyst
03:15:47 Alert assigned to analyst: EmilyAI (auto)
03:18:09 Investigation started — querying SIEM and threat intelligence

Related Alerts

ID Time Alert Severity Status Host
ALR-00244 41m ago Ransomware Behaviour Detected High Investigating WS-LAP-010
ALR-00159 4h ago Suspicious PowerShell Execution High Investigating WS-LAP-010
ALR-00456 6h ago Certificate Anomaly Informational Open WS-PC-006
ALR-00423 13h ago Kerberoasting Attempt Informational Open WS-LAP-010
ALR-00343 20h ago Certificate Anomaly Low Investigating WS-PC-002