Extreme Threat
IP 213.209.159.56 is a critical-risk address associated with sustained SSH brute-force intrusion activity, flagged by automated honeypot sensors with a threat level of 10/10 and a confidence score of 94 percent across 512 total reports filed within a concentrated two-month window between May and June 2026.
The detection profile shows 41 categorized threat reports attributed to this single address, with Hacking and SSH each accounting for 20 reports and one report classified as Exploited Host. All report sources are traced to automated honeypot infrastructure, which independently corroborates the same attack signatures: Suricata alerts flagging active SSH sessions on expected ports combined with SSH brute-force attempts. The address is registered to Feo Prest SRL under autonomous system AS208137 and geolocates to Taiwan, a notable geographic mismatch that may indicate compromised or hijacked hosting infrastructure being used as an anonymous launchpad. With an activity frequency rating of 8/10, the IP has demonstrated persistent, ongoing engagement against target systems rather than isolated or opportunistic probing.
The dominant threat pattern — confirmed SSH brute-force activity — represents one of the most widespread and automated attack vectors targeting publicly accessible servers. Attackers systematically cycle through username and password combinations to gain unauthorized shell access, enabling data theft, lateral movement within networks, or recruitment of the compromised target into botnets. The presence of an Exploited Host classification alongside the brute-force activity raises the additional possibility that this address may itself be operating from previously compromised infrastructure, compounding the risk to any network it targets.
Site operators should block 213.209.159.56 at the firewall or network perimeter immediately. Implement key-based SSH authentication exclusively and disable password-based authentication to render brute-force attempts ineffective. Configure fail2ban or equivalent intrusion-prevention tooling to automatically ban repeated authentication failures from this address. Additionally, consider notifying the hosting provider associated with AS208137, as the geographic and operator inconsistencies suggest the source infrastructure itself may require remediation.
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