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Certificate Anomaly

Informational False Positive
ALR-00162 · 2026-10-08T22:29:01Z

Description

TLS certificate anomaly detected on SRV-DC-01. Self-signed certificate on port 443 does not match expected corporate CA chain.

Alert Metadata

Alert ID
ALR-00162
Timestamp
2026-10-08T22:29:01Z
Severity
Informational
Status
False Positive
Detection Source
Email Gateway
Assigned Analyst
EmilyAI (auto)

Endpoint Information

Hostname
SRV-DC-01
User Account
c.williams
Source IP
194.30.62.216
Destination IP
10.1.195.117
Origin Country
NG Nigeria

MITRE ATT&CK Mapping

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

Investigation Timeline

22:29:01 Event ingested by SOC365 Engine
22:29:06 EmilyAI triage started — correlation enrichment
22:29:10 EmilyAI confidence: 85% — escalated to human analyst
22:29:31 Alert assigned to analyst: EmilyAI (auto)
22:30:58 Investigation started — querying SIEM and threat intelligence
22:32:07 Containment action taken — endpoint isolated
22:42:44 Alert resolved — remediation complete

Related Alerts

ID Time Alert Severity Status Host
ALR-00010 8m ago DecoyPulse Honeypot Triggered Low Investigating SRV-DC-01
ALR-00271 19h ago Shadow IT Discovery Medium Investigating SRV-DC-01
ALR-00332 19h ago Certificate Anomaly Low Investigating SRV-DC-01
ALR-00388 20h ago DLP Policy Violation Informational False Positive SRV-DC-01
ALR-00432 21h ago Insider Threat Indicator Informational Escalated SRV-DC-01