Introducing the Generative Application Firewall (GAF)

Fuente: arXiv
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Autores principales: Farreny, Joan Vendrell, Roca, Martí Jordà, Gaya, Miquel Cornudella, Baón, Rodrigo Fernández, Martínez, Víctor García, Sucarrats, Eduard Camacho, Pignati, Alessandro
Formato: Preprint
Publicado: 2026
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author Farreny, Joan Vendrell
Roca, Martí Jordà
Gaya, Miquel Cornudella
Baón, Rodrigo Fernández
Martínez, Víctor García
Sucarrats, Eduard Camacho
Pignati, Alessandro
author_facet Farreny, Joan Vendrell
Roca, Martí Jordà
Gaya, Miquel Cornudella
Baón, Rodrigo Fernández
Martínez, Víctor García
Sucarrats, Eduard Camacho
Pignati, Alessandro
contents 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.
format Preprint
id arxiv_https___arxiv_org_abs_2601_15824
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle Introducing the Generative Application Firewall (GAF)
Farreny, Joan Vendrell
Roca, Martí Jordà
Gaya, Miquel Cornudella
Baón, Rodrigo Fernández
Martínez, Víctor García
Sucarrats, Eduard Camacho
Pignati, Alessandro
Cryptography and Security
Artificial Intelligence
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.
title Introducing the Generative Application Firewall (GAF)
topic Cryptography and Security
Artificial Intelligence
url https://arxiv.org/abs/2601.15824