High Risk
IP 18.218.118.203 is a high-risk address operating from Amazon Web Services infrastructure in the United States (AS16509, AMAZON-02), assessed at 8/10 threat level with an 88% confidence score and 2,483 total abuse reports filed against it over a six-month window between February and July 2026. The dominant activity consists of sustained hacking intrusion attempts, with 20 distinct reported categories covering SSH session exploitation, database protocol attacks, and mass email distribution, placing this IP squarely in the highest-risk tier for network defenders evaluating their exposure.
The detection profile reveals a persistent, automated threat actor leveraging honeypot infrastructure to systematically probe public-facing services. Suricata sensor alerts document SSH sessions being initiated against expected ports, Redis protocol attack patterns, and SMTP abuse consistent with spam distribution campaigns. Additionally, port scanning activity using Zmap user-agent signatures indicates the address is actively harvesting intelligence on potential targets within victim networks. With an activity frequency rating of 8/10 and a substantial report volume accumulated over half a year, the pattern demonstrates deliberate, sustained offensive operations rather than opportunistic or transient scanning behavior.
Hacking activity originating from this IP poses concrete risks to any exposed SSH, Redis, or SMTP services listening on the public internet. SSH session establishment attempts suggest credential stuffing or brute-force campaigns targeting authentication systems, while Redis protocol exploitation could enable unauthorized data access or lateral movement within backend infrastructure. The port scanning and IoT targeting components indicate the address is part of a broader reconnaissance operation cataloging vulnerable endpoints for subsequent compromise. Should any weak or misconfigured service exist on a target network, this IP's persistent probing significantly increases the likelihood of successful unauthorized access.
Network operators should immediately block IP 18.218.118.203 at the perimeter firewall or load balancer level given its confirmed malicious history. Implementing aggressive rate-limiting on SSH authentication endpoints and enforcing key-based authentication over password authentication substantially raises the barrier against credential attacks. Deploying fail2ban or equivalent dynamic blocklist tools provides automated response to repeated connection attempts from abusive sources. All public-facing services should be audited for exposure and placed behind VPN or zero-trust access layers where feasible, and hosting providers operating the AS16509 autonomous system should be notified to investigate potential compromise or abuse originating from this address.
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