The State of Application Security 2023 report provides a data-driven look into the current realities, challenges, and priorities shaping modern AppSec programs. Drawing from hundreds of practitioner responses, it examines persistent challenges—like alert fatigue, fragmented tooling, and underdeveloped prioritization—and highlights what sets top-performing teams apart—like rapid remediation, workflow automation, and mature governance practices. With data on cloud deployment trends, SBOM adoption, security investment, and program maturity, this report serves as a practical benchmark for AppSec teams navigating an increasingly complex threat landscape.