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45.77.41.99 has a threat confidence score of 54%. This IP address from Singapore (AS20473, The Constant Company, LLC) has been observed in 2 honeypot sessions targeting RDP protocols. First observed on May 5, 2026, most recently active May 6, 2026.
Identifies RDP clients attempting authentication using Network Level Authentication (NLA) with the NTLM challenge-response protocol. This occurs during the CredSSP negotiation phase before a remote desktop session is established and indicates an active credential authentication attempt against the RDP service