Hasbro, one of the world’s largest toy and game companies, has disclosed that attackers have accessed the personal and financial information of an undisclosed number of employees.

Founded in 1923, Hasbro is a publicly traded American multinational entertainment conglomerate on the NASDAQ and owns many brands, including Monopoly, Clue, Nerf, Transformers, Play-Doh, Peppa Pig, Scrabble, Magic: The Gathering, Dungeons & Dragons, and many others.

The company has filed data breach notification letters with the Massachusetts Attorney General’s Office, but didn’t disclose the total number of affected individuals or when the incident was detected.