Dynamic VPN Gateway Switching for Mobile Security

The patent merges multiple separate security environments into a single unified secure area within the mobile terminal's operating system. This secure area is centrally managed and can provide security services to multiple business applications simultaneously, eliminating the need for each application to maintain its own separate security configuration while maintaining high security standards.

The secure area is designed as a universal security environment that can serve multiple business applications and connection scenarios (corporate intranet, mobile network, WiFi) through a single integrated architecture. This multi-functional secure area can dynamically adapt to different connection types and apply appropriate security policies without requiring separate dedicated security environments for each use case.

The system dynamically adjusts security policies based on the connection environment and terminal state. When a mobile terminal connects to a corporate intranet via VPN, the system automatically applies appropriate security policies and switches to a secure area. The security level is not fixed but adapts in real-time based on detected connection types (intranet, mobile network, WiFi) and terminal authentication status, making security management automated and context-aware rather than static and cumbersome.

The mobile terminal autonomously detects its connection environment and automatically triggers the appropriate security procedures. The terminal itself identifies when it needs to switch to secure area, performs authentication, and establishes VPN connections without requiring manual security configuration or complex user intervention, thereby maintaining ease of operation while enforcing security policies.