Interprocess Communication Control for Privilege Escalation

The patent segments the security control mechanism into multiple layers: (1) interprocess communication monitoring module that detects IPC attempts, (2) policy evaluation module that checks predefined security rules, and (3) privilege management module that controls service invocation. This multi-layered segmentation prevents malicious applications from bypassing security through single-point failures in conventional firewalls.

The patent introduces an intermediary security management component that sits between applications and system services. This intermediary monitors and controls interprocess communication channels, evaluating each IPC attempt against predefined security policies before allowing service invocation. This mediator blocks malicious privilege escalation while permitting legitimate communication, resolving the contradiction between maintaining security and preventing security breaches.

The patent implements dynamic security control where the system continuously monitors interprocess communication patterns and adjusts security policies in real-time. The security management component dynamically evaluates each IPC request against the current application's credentials and predefined policies, allowing legitimate application interaction while maintaining adaptive security control. This dynamic approach enables versatile application communication without permanently weakening security controls.

The patent applies different security control levels to different interprocess communication scenarios. Instead of a uniform security approach, the system evaluates each IPC request individually based on the specific applications involved, the target service, and the communication context. This localized quality control allows high-functionality application interaction where trusted applications communicate freely, while maintaining strict security control where needed, thus resolving the contradiction between adaptability and security control.

The patent implements preliminary security verification before service invocation. The interprocess communication monitoring module intercepts service invocation attempts and evaluates them against predefined security policies before the actual service execution. This preliminary action includes checking application credentials, verifying service access rights, and validating the communication request. By performing security checks in advance, the system maintains ease of operation for legitimate applications while preventing malicious service misuse before it can occur.

The patent enables applications to self-validate their service invocation requests through the security management component. Trusted applications can automatically prove their credentials and access rights, allowing them to invoke services without manual intervention. This self-service mechanism maximizes ease of operation for legitimate applications while the underlying security framework continues to prevent malicious misuse, as malicious applications cannot pass the credential verification process.