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Certificate Anomaly

Low Resolved
ALR-00108 · 2026-10-09T21:28:38Z

Description

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

Alert Metadata

Alert ID
ALR-00108
Timestamp
2026-10-09T21:28:38Z
Severity
Low
Status
Resolved
Detection Source
Attack Surface Scanner
Assigned Analyst
EmilyAI (auto)

Endpoint Information

Hostname
SW-CORE-01
User Account
m.taylor
Source IP
185.155.220.212
Destination IP
10.3.103.21
Origin Country
IR Iran

MITRE ATT&CK Mapping

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

Investigation Timeline

21:28:38 Event ingested by SOC365 Engine
21:28:40 EmilyAI triage started — correlation enrichment
21:28:49 EmilyAI confidence: 89% — escalated to human analyst
21:29:13 Alert assigned to analyst: EmilyAI (auto)
21:31:03 Investigation started — querying SIEM and threat intelligence
21:37:00 Containment action taken — endpoint isolated
21:46:10 Alert resolved — remediation complete

Related Alerts

ID Time Alert Severity Status Host
ALR-00125 3h ago Ransomware Behaviour Detected Informational False Positive SW-CORE-01
ALR-00258 4h ago Certificate Anomaly Medium Open SW-CORE-01
ALR-00348 5h ago Credential Stuffing Attempt Low Escalated SW-CORE-01
ALR-00332 11h ago DLP Policy Violation High Escalated SW-CORE-01
ALR-00305 14h ago Failed MFA Challenge Critical Escalated SW-CORE-01