Changtai Digital Situational Awareness Platform (CT-BDSG) is a product for detecting and defending against APT attacks。The platform is based on the analysis and modeling of the 2-7 layer network full traffic data and the whole life cycle activity records of terminal assets, and carries out the behavior portrait of the whole network assets。On this basis,Through attack rule comparison, threat intelligence, sandbox and other technical means,Such as APT attacks lateral movement, unknown threats, no file attacks, data violation flow, ransomware and other network leaders often conduct detection and traceability,Implement handling and defense in conjunction with terminal defense software,Build a self-responsive and resilient network security defense system。