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An apparent leak has made messages, files, code, and other data from Disney's internal Slack public.

A hacking group known as Nullbulge claimed responsibility for the leak in a blog post. In it, it said people could gain details on Disney's planned projects, some log-in information, and more, all taken from the company Slack messaging system.

Nullbulge said it accessed "almost 10,000 channels" to dump "every message and file possible." The group remains anonymous but said its mission includes advocating for artist rights, The Wall Street Journal reported. Business Insider couldn't verify Nullbulge's claims regarding the size of the hack.