4 papers
Auditing AI Investment Recommendations as Executable Actions
Sidnei Barbieri, Wellington Vargas, Ágney Lopes Roth Ferraz
AI systems increasingly produce investment recommendations, yet the usual evaluations ask the wrong question. Realized return is noisy and easy to overfit, and agreement with a ref…
From Production SIEM to Reusable Cybersecurity Artifacts
Sidnei Barbieri, Leonardo Vaz de Meneses, Ágney Lopes Roth Ferraz +2
Operational evidence is not automatically scientific evidence. The most realistic Security Operations Center (SOC) data is production telemetry, yet it remains scientifically inacc…
ARENA: An Architecture for Measuring the Transferability of Autonomous Cyber Defense
Sidnei Barbieri, Ágney Lopes Roth Ferraz, Wagner Comin Sonaglio +3
Operational evidence is not automatically scientific evidence. The most realistic Security Operations Center (SOC) data is production telemetry, yet it remains scientifically inacc…
AutoSUT: The Environment Semantics Gap in Structured CTI for Adversary Emulation
Sidnei Barbieri, Ágney Lopes Roth Ferraz, Lourenço Alves Pereira Júnior
Structured Cyber Threat Intelligence (CTI) increasingly supports adversary emulation, detection evaluation, and cyber range design, yet each workflow still requires a target System…