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Credential observed in 19,215 sessions across 2 protocols.
The username “blank” was first observed on 2026-01-23 and last seen on 2026-04-10. It has been used in 19,215 attack sessions across 2 different protocols, making it a frequently targeted credential in our honeypot sensor network.
Attackers use this username during automated brute-force and credential stuffing attacks. To protect your systems, ensure this username is either disabled or secured with a strong, unique password. Monitor login attempts with tools like Fail2Ban and check IPs against the SikkerAPI threat database. For automated protection, use our CLI tool or REST API.