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91.148.135.175 has a threat confidence score of 76%. This IP address from Cyprus (AS136258, BrainStorm Network, Inc) has been observed in 12 honeypot sessions targeting RDP, FTP protocols. First observed on April 26, 2026, most recently active May 1, 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