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Credential Stuffing Attempt

Medium Resolved
ALR-00290 · 2026-10-11T15:55:52Z

Description

Credential stuffing attack detected against VPN gateway. 234 unique username/password combinations attempted. Flagged by Cloud Connector.

Alert Metadata

Alert ID
ALR-00290
Timestamp
2026-10-11T15:55:52Z
Severity
Medium
Status
Resolved
Detection Source
Cloud Connector
Assigned Analyst
Marcus Webb

Endpoint Information

Hostname
VM-DEV-01
User Account
m.taylor
Source IP
45.123.148.122
Destination IP
10.1.208.59
Origin Country
CN China

MITRE ATT&CK Mapping

Tactic
Credential Access
Technique
T1110.004
Reference
attack.mitre.org/techniques/T1110.004

Investigation Timeline

15:55:52 Event ingested by SOC365 Engine
15:55:56 EmilyAI triage started — correlation enrichment
15:56:00 EmilyAI confidence: 81% — escalated to human analyst
15:56:25 Alert assigned to analyst: Marcus Webb
15:57:38 Investigation started — querying SIEM and threat intelligence
16:05:18 Containment action taken — endpoint isolated
16:06:30 Alert resolved — remediation complete

Related Alerts

ID Time Alert Severity Status Host
ALR-00348 5h ago Credential Stuffing Attempt Low Escalated SW-CORE-01
ALR-00431 5h ago Credential Stuffing Attempt Medium Escalated WS-PC-002
ALR-00076 8h ago Credential Stuffing Attempt Informational Open WS-PC-003
ALR-00058 8h ago Unusual Outbound Traffic Low False Positive VM-DEV-01
ALR-00327 12h ago Suspicious Scheduled Task Low Resolved VM-DEV-01