2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/37446In this talk, the recent data on diffractive electron-proton interactions at HERA are reviewed. The question of diffraction as a soft or hard process is addressed and discussed in the context of inclusive diffraction, vector meson production and the DVCS process.typos corrected, reference 26 expended and fig 15 replacedHigh Energy Physics - ExperimentHigh Energy Physics - Phenomenologytext