Maximum Danger
IP 77.90.185.17 is a maximum-threat-level address operated by Inside Network LTD in Germany that has generated 410 abuse reports from automated honeypot sensors over a six-month period, with activity concentrated on SSH brute-force and broader hacking intrusion attempts.
Threat intelligence data shows IP 77.90.185.17 tracked under ASN AS215476 received a threat-level rating of 10 out of 10 with a confidence score of 81 percent, reflecting substantial corroborating evidence from 20 distinct honeypot detection sensors. The address was first reported in January 2026 with continued activity documented through June 2026, yielding an activity frequency rating of 8 out of 10. Network routing places the IP within German address space, and the volume of reports over a compressed timeframe indicates sustained, automated scanning behaviour rather than isolated probing. Suricata signatures from multiple sensors specifically flagged the IP engaging in SSH brute-force activity, with alerts noting sessions established on expected SSH ports.
SSH brute-force attacks represent one of the most common initial-access vectors in server compromise campaigns, where threat actors systematically attempt credential combinations against exposed SSH daemons to guess weak or default passwords. This activity exposes any publicly accessible SSH service to elevated risk of unauthorized access, potentially granting attackers root-level control of the underlying system. The concurrent hacking-category reports suggest this IP may also be involved in broader vulnerability exploitation or scanning activity beyond pure credential stuffing. The sustained frequency and volume of reports indicate the IP is actively maintained within an attacking infrastructure rather than representing transient opportunistic scanning.
Administrators with SSH services exposed to the internet should immediately verify that key-based authentication is enforced over password authentication, consider relocating the SSH service to a non-standard port to reduce automated targeting, and implement an auth-log-watching tool such as fail2ban to automatically block repeated failed-login sources. Keeping SSH daemon and underlying operating system packages patched prevents exploitation of known vulnerabilities, while disabling direct root login ensures compromised credentials alone cannot yield administrative access. Ongoing monitoring of authentication logs for source IP 77.90.185.17 and similar patterns remains advisable given the confirmed hostile activity.
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