Child intersexual maltreatment materials are rapidly expanding online, arsenic is their use. The STOP-CSAM EU prevention project, nether the auspices of Charité—Universitätsmedizin Berlin, has responded to these challenges by offering a caller therapeutic chat intervention. STOP-CSAM stands for Scalable Technology for Online Prevention of Child Sexual Abuse & Child Abuse Materials. Persons astatine hazard are fixed the accidental to interact with qualified therapists—anonymously and escaped of costs. The instrumentality has meantime proved its success. Building connected these achievements, a follow-up task is further expanding the perpetrator-focused prevention of kid intersexual maltreatment materials.