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27.71.28.126 has a threat confidence score of 94%. This IP address from Vietnam (AS7552, Viettel Group) has been observed in 179 honeypot sessions targeting RDP protocols. First observed on April 9, 2026, most recently active April 14, 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