Maximum Danger
IP 85.11.167.11, registered in Bulgaria and operated by ColocaTel Inc. under ASN AS213438, represents a critical threat with a maximum threat-level score of 10 out of 10 and a confidence rating of 94%. This address has accumulated 1,442 abuse reports from 20 distinct automated honeypot sensors over approximately seven months of active observation, with sustained activity frequency rated at 8 out of 10. The dominant malicious behaviours documented against this IP include PostgreSQL database brute-force attempts and general unauthorized intrusion activity, indicating a focused, automated campaign targeting authentication systems.
Community reports and sensor data first flagged this address in December 2025, with the most recent confirmed activity occurring in June 2026, demonstrating persistent engagement over an extended period. The sheer volume of reports — averaging roughly 200 per month throughout the observation window — and the consistent detection across multiple independent honeypot nodes suggest that this is not isolated or opportunistic scanning but rather sustained, coordinated malicious infrastructure. The 94% confidence score reflects strong corroboration between automated detection signatures and community-sourced threat intelligence, leaving little ambiguity about the hostile intent of traffic originating from this address.
The reported threat categories reveal a dual-vector approach centred on authentication exploitation. PostgreSQL brute-force activity indicates systematic attempts to compromise database management systems by cycling through credential combinations, a technique that can expose weakly protected database servers to unauthorized data access or complete system takeover. General hacking activity further suggests the IP is being used for broader network reconnaissance and vulnerability probing beyond database targets. For any organisation running exposed PostgreSQL instances or similar authentication-dependent services, traffic from this address poses a direct risk of account compromise, data exfiltration, or lateral movement within connected systems.
Site operators should treat connections from 85.11.167.11 as hostile and implement immediate defensive measures. Blocking this address at the firewall level is the most effective first step, while rate-limiting authentication endpoints can disrupt brute-force workflows without disrupting legitimate traffic. Enforcement of strong, unique passwords combined with multi-factor authentication on all database and administrative interfaces significantly reduces the impact of credential-guessing campaigns. Deploying intrusion-detection tools and applying the fail2ban utility to dynamically ban repeat offenders provides layered protection against similar automated threats. Regular monitoring of authentication logs for unusual patterns from this IP range will help identify any attempted circumvention of blocking measures.
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