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73.1.253.194 has a threat confidence score of 90%. This IP address from United States (AS7922, Comcast Cable Communications, LLC) has been observed in 50 honeypot sessions targeting RDP protocols. First observed on March 29, 2026, most recently active April 8, 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