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Credential Stuffing Attempt

Medium False Positive
ALR-00271 · 2026-05-24T12:21:18Z

Description

Credential stuffing attack detected against VPN gateway. 234 unique username/password combinations attempted. Flagged by Attack Surface Scanner.

Alert Metadata

Alert ID
ALR-00271
Timestamp
2026-05-24T12:21:18Z
Severity
Medium
Status
False Positive
Detection Source
Attack Surface Scanner
Assigned Analyst
Marcus Webb

Endpoint Information

Hostname
AP-WIFI-03
User Account
j.smith
Source IP
103.202.216.250
Destination IP
10.2.238.24
Origin Country
DE Germany

MITRE ATT&CK Mapping

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

Investigation Timeline

12:21:18 Event ingested by SOC365 Engine
12:21:22 EmilyAI triage started — correlation enrichment
12:21:30 EmilyAI confidence: 86% — escalated to human analyst
12:21:51 Alert assigned to analyst: Marcus Webb
12:23:23 Investigation started — querying SIEM and threat intelligence
12:25:51 Containment action taken — endpoint isolated
12:36:07 Alert resolved — remediation complete

Related Alerts

ID Time Alert Severity Status Host
ALR-00129 5h ago Credential Stuffing Attempt Low False Positive WS-LAP-012
ALR-00288 12h ago Suspicious PowerShell Execution Low Open AP-WIFI-03
ALR-00383 14h ago C2 Beacon Activity High Open AP-WIFI-03
ALR-00473 15h ago Tor Exit Node Connection High Escalated AP-WIFI-03
ALR-00404 19h ago C2 Beacon Activity Low Investigating AP-WIFI-03