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103.9.204.51 has a threat confidence score of 95%. This IP address from Vietnam (AS135905, VIETNAM POSTS AND TELECOMMUNICATIONS GROUP) has been observed in 237 honeypot sessions targeting RDP protocols. First observed on April 26, 2026, most recently active April 29, 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