Report for IP: 77.91.66.181

Threat LevelMEDIUM44/1001 rule type
1 incident on record · active attack detected · last seen 11d ago
PTR vds55884.1cent.network
Org / ASN 1Cent Host
Country 🇩🇪 Germany
City Frankfurt am Main, Hesse
Timezone Europe/Berlin

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
19 Sep 2026 - 10:26 high SSH: Login attempt using non-existent user