Disasters worldwide are becoming ever-increasing problems with cost implications for individuals, institutions and governments. Timely and accurate information in the mitigation phase of disaster management can enable actions that reduce losses, speed up reaction and make rehabilitation more effective. Whistleblowing, when defined in a broad context so as not to limit it to the employees of institutions, but to include any member of the public, could function as such a mechanism. Examples of disasters that have been or could have been prevented if someone had blown the whistle demonstrate not only the role that whistleblowing could play in preventing disasters, but also in combatting corruption as well as further disasters in the rehabilitation phase. In the debate around the ethical issue of loyalty, the conflict between whistleblowing and loyalty as values is clear. A positive change in attitude towards whistleblowing is taking pla