Ukrainian Networks Launch Massive Brute-Force and Password-Spraying Campaigns Targeting SSL VPN and RDP Systems

A sophisticated network of Ukrainian-based autonomous systems has emerged as a significant cybersecurity threat, orchestrating large-scale brute-force and password-spraying attacks against SSL VPN and RDP infrastructure. Between June and July 2025, these malicious networks launched hundreds of thousands of coordinated attacks over periods lasting up to three days, targeting critical enterprise remote access systems. The […]

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