Abstract: A segmented local area network with reflex-reaction server leakage containment system includes a segmented local area network (LAN) and a reflex-reaction server leakage containment system. The LAN includes an internal zone with at least one internal server, and a perimeter firewall developing firewall traffic data and being responsive to a block list of internet protocol (IP) addresses. The reflex-reaction server leakage containment system stores a LAN server metadata (LSM) table, is receptive to the firewall traffic data and is operative to automatically update the block list with at least one of an IP address of the at least one internal server and an IP address of an external destination server when a data leakage through the perimeter firewall from the at least one internal server to the external destination server is detected.

Abstract: A network compromise activity monitoring system includes a network connector, a compromise activity analyzer, and a compromise defender. The network connector has a public network port, at least one private network port, and an associated network connector traffic log concerning data packet traffic of the network connector. The compromise activity analyzer has access to suspect destination metadata, egress traffic metadata, and network device metadata, and is operative to determine a compromise activity level of one or more devices coupled to the at least one private network port. The compromise defender is responsive to the determined compromise activity level of the one or more devices and is operative to at least one of block, alert and notify in accordance with at least one rule.