Severe Risk
IP address 196.251.81.116 is a critical-risk address linked to sustained SSH brute-force and general hacking intrusion activity, with 166 independent abuse reports filed through automated honeypot sensors over August and September 2025.
The Seychelles-originating address, routed through AS401120 under the CHEAPY-HOST network operator, accumulated 20 separate honeypot detections documenting its malicious traffic. While the current activity frequency registers at 0/10, the substantial volume of historical reports confirms persistent threat behaviour rather than isolated scanning. The 67% confidence score reflects the quality and consistency of detection data gathered across multiple sensor sources, with recent submissions weighting toward Hacking category intrusions (13 reports) and SSH service targeting (7 reports).
SSH brute-force attacks represent a direct pathway to server compromise through automated credential guessing or exploitation of SSH service vulnerabilities. The detection of fail2ban triggering on sshd confirms that connection attempts were sufficiently aggressive to trigger automated defensive responses, indicating sustained and aggressive authentication guessing against exposed services. General hacking activity adds further concern, suggesting the address participates in broader intrusion attempts beyond credential stuffing.
Site operators should immediately block 196.251.81.116 at the network perimeter to eliminate ongoing threat traffic. Hardening SSH access is critical: enforce key-based authentication exclusively, disable root login over SSH, and consider relocating the service to a non-standard port to reduce automated targeting. Deploying fail2ban or equivalent dynamic firewall rules provides automated response to repeated connection attempts from abusive sources. Maintain rigorous patching cadence on all internet-facing services to close exploitation vectors that hacking activity attempts to leverage.
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