In July 2024, AnimeLeague disclosed a data breach of their services. The data was posted for sale on a popular hacking forum and included 2 databases covering both event registration records and a dump of the phpBB bulletin board. The impacted data included passwords in various hashed formats including SHA-1, salted md5 and bcrypt, as well as usernames, private messages, dates of birth, purchases and 192k unique email addresses.