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152.53.230.56 has a threat confidence score of 96%. This IP address from Austria (AS197540, netcup GmbH) has been observed in 2,234 honeypot sessions targeting RDP protocols. First observed on March 10, 2026, most recently active March 20, 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