221.132.21.185

Threat LevelHIGH55/1001 rule type
1 incident on record · active attack detected · seen 14h ago
PTR N/A
Org / ASN Vietnam Posts and Telecommunications Group
Country 🇻🇳 Vietnam
City Hanoi, Hanoi
Timezone Asia/Bangkok

Attack Analysis

SSH: Login Attempt — Non-Existent User
This IP attempted to authenticate via SSH using a username that does not exist on the system. This is characteristic of automated credential-stuffing attacks cycling through common username wordlists (admin, root, ubuntu, pi, etc.).

Reports (1)

Date Severity Description
4 Jun 2026 - 02:52 high SSH: Login attempt using non-existent user