arXiv:2601.15824v2 Announce Type: replace-cross
Abstract: This paper introduces the Generative Application Firewall (GAF), a new architectural layer for securing LLM applications. Existing defenses — prompt filters, guardrails, and data-masking — remain fragmented; GAF unifies them into a single enforcement point, much like a WAF coordinates defenses for web traffic, while also covering autonomous agents and their tool interactions. Read More