GajShield Data Security Firewall is an advanced context-based network security solution that operates on a 64-bit hardened operating system called GajOS Bulwark and utilizes multi-core architecture. It implements a multi-step process starting with Application Identification Engine for context point identification, followed by packet breakdown using Contextual Intelligence Engine, validation of parameters, and security policy enforcement. The system employs deep packet inspection and contextual intelligence for data visibility and threat surface management, protecting against data leaks and cyber threats. It incorporates machine learning capabilities to understand usage patterns and identify suspicious traffic, utilizing GajShield Threat Labs for malicious traffic blocking and intelligent sandboxing. The firewall can detect applications independently of port usage and understand data flow context with web-based cloud applications, providing comprehensive protection from Layer 3 to Layer 7 security controls with data-level visibility.