Cisco Warns of Global Surge in Brute-Force Attacks Targeting VPN and SSH Services

Cisco is warning about a global surge in brute-force attacks targeting various devices, including Virtual Private Network VPN services, web application authentication interfaces, and SSH services, since at least March 18, 2024. "These attacks all appear to be originating from TOR exit nodes and a...

Large-scale brute-force activity targeting VPNs, SSH services with commonly used login credentials

Cisco Talos would like to acknowledge Anna Bennett and Brandon White of Cisco Talos and Phillip Schafer, Mike Moran, and Becca Lynch of the Duo Security Research team for their research that led to the identification of these attacks. Cisco Talos is actively monitoring a global increase in...