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Credential Stuffing Attempt

Medium Investigating
ALR-00390 · 2026-05-23T16:11:19Z

Description

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

Alert Metadata

Alert ID
ALR-00390
Timestamp
2026-05-23T16:11:19Z
Severity
Medium
Status
Investigating
Detection Source
DecoyPulse
Assigned Analyst
Sarah Chen

Endpoint Information

Hostname
SRV-APP-01
User Account
p.thomas
Source IP
91.113.195.34
Destination IP
10.0.21.132
Origin Country
NL Netherlands

MITRE ATT&CK Mapping

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

Investigation Timeline

16:11:19 Event ingested by SOC365 Engine
16:11:24 EmilyAI triage started — correlation enrichment
16:11:27 EmilyAI confidence: 88% — escalated to human analyst
16:11:54 Alert assigned to analyst: Sarah Chen
16:13:35 Investigation started — querying SIEM and threat intelligence

Related Alerts

ID Time Alert Severity Status Host
ALR-00381 9h ago Credential Stuffing Attempt Low Investigating WS-PC-006
ALR-00263 12h ago Malware Signature Match Medium False Positive SRV-APP-01
ALR-00193 12h ago Credential Stuffing Attempt Low Investigating AP-WIFI-03
ALR-00201 19h ago Credential Stuffing Attempt Medium False Positive VM-DEV-01
ALR-00175 19h ago Credential Stuffing Attempt Medium Escalated SRV-DC-01