A whistleblower system complies with the HinSchG if it implements these requirements technically: a confidential internal reporting channel, the option to report anonymously, an acknowledgment of receipt within 7 days, feedback to the whistleblower within 3 months, traceable documentation of the processing, and effective protection of whistleblowers' identities. preeco | whistleblower implements every point – with an optionally anonymous reporting form, automatic deadline monitoring with reminders before deadlines expire, structured case management, encryption, and the deliberate absence of system log files that could allow conclusions about whistleblowers.