UPDATE: CISA has issued an emergency directive about an active attack against CISCO ASA devices. A massive surge in scans targeting Cisco Adaptive Security Appliance (ASA) devices was observed by GreyNoise in late August 2025, with over 25,000 unique IPs probing ASA login portals in a single burst. This anomalous activity is highly suggestive of […] The post Surge in Cisco ASA Scanning Hints At Coming Cyberattacks appeared first on Eclypsium | Supply Chain Security for the Modern Enterprise.
