Prompt Injection Defense by Knostic is a security solution designed to protect AI applications and data from malicious prompt injection attacks. The product operates as part of Knostic's Prompt Gateway platform, which monitors and filters prompts sent to AI systems to detect and block injection attempts. The solution addresses prompt injection vulnerabilities in runtime AI applications, where attackers attempt to manipulate AI models through crafted inputs. It provides detection capabilities for identifying malicious prompts before they reach AI models or access sensitive data. The product is positioned within Knostic's broader AI security platform, which includes capabilities for shadow AI discovery, AI assistant security, and data protection for AI systems. It integrates with the company's data security framework to prevent unauthorized data access through prompt manipulation. Prompt Injection Defense targets organizations deploying AI applications in production environments, particularly those concerned with protecting proprietary data and maintaining the integrity of AI-powered systems. The solution is designed to work alongside other AI security controls including data loss prevention, access management, and AI firewall capabilities.