C4 Security specializes in information warfare, SCADA, and military C&C system security. C4's Red Team audit is designedto simulate how a well-funded and highly skilled hacker group would engage with users'network. Its TrojanID identifies proprietary malware in large networks. C4's Fides addresses reliability, safety, and security issues of control and SCADA networks, and its Advanced Persistent Detection (APD) is a solution for detecting APTs in enterprise networks.