A man disabled by a workplace accident is horrified dozens of ACC staff looked at his sensitive claim file on childhood sexual abuse viewing it more than 350 times since it was closed.
ACC staff working on his physical injury claim also logged into a sensitive claim belonging to his wife.
The couple feel their privacy and rights have been breached by the organisation, but ACC says every access is jusitifed.
Here's investigative journalist Anusha Bradley with the story.