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107.21.144.27 has a threat confidence score of 93%. This IP address from United States (AS14618, Amazon.com, Inc.) has been observed in 33 honeypot sessions targeting RDP protocols. First observed on April 19, 2026, most recently active April 19, 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