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Credential Stuffing Attempt

Medium Escalated
ALR-00022 · 2026-04-05T21:50:20Z

Description

Credential stuffing attack detected against VPN gateway. 234 unique username/password combinations attempted. Flagged by SOC365 Engine.

Alert Metadata

Alert ID
ALR-00022
Timestamp
2026-04-05T21:50:20Z
Severity
Medium
Status
Escalated
Detection Source
SOC365 Engine
Assigned Analyst
Sarah Chen

Endpoint Information

Hostname
WS-MAC-005
User Account
f.hall
Source IP
103.35.216.22
Destination IP
10.1.91.221
Origin Country
FR France

MITRE ATT&CK Mapping

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

Investigation Timeline

21:50:20 Event ingested by SOC365 Engine
21:50:22 EmilyAI triage started — correlation enrichment
21:50:33 EmilyAI confidence: 96% — escalated to human analyst
21:50:38 Alert assigned to analyst: Sarah Chen
21:51:58 Investigation started — querying SIEM and threat intelligence
21:54:48 Containment action taken — endpoint isolated
22:09:39 Alert resolved — remediation complete

Related Alerts

ID Time Alert Severity Status Host
ALR-00029 1h ago Malware Signature Match Medium Resolved WS-MAC-005
ALR-00341 2h ago Phishing Email Blocked Low Resolved WS-MAC-005
ALR-00027 12h ago Credential Stuffing Attempt Low False Positive WS-MAC-005
ALR-00357 14h ago Failed MFA Challenge Medium Resolved WS-MAC-005
ALR-00500 18h ago Rogue DHCP Server Informational Open WS-MAC-005