Ubisoft and Crytek Breached?

ZDNet reports on a ransomware gang's claims to have posted user information harvested from Ubisoft's and Crytek's networks. It does not seem certain that this is confirmed, and they note that details about how such data may have been obtained remain unclear. Neither company responded to their requests for comment on the story. They have had contact with the gang: "However, in an email interview with ZDNet, the Egregor gang provided more details about the two incidents. The ransomware operators said they breached the Ubisoft network, but only stole data, and did not encrypt any of the company's files. On the other hand, 'Crytek has been encrypted fully,' the Egregor crew told ZDNet." They say that user accounts are not the only files allegedly compromised:
For the Ubisoft leak, the Egregor group shared files to suggest they were in possession of source code from one of the company's Watch Dogs games. On its web portal, the group touted they were in possession of the source code for the Watch Dogs: Legion game, scheduled to be released later this month. It was, however, impossible to verify that these files came from the new game, rather than an existing release.

For the past year, security researchers have tried to reach out and notify Ubisoft about several of its employees getting phished, with no results, which may provide a clue of how the hackers might have got it.

But while hackers leaked only 20 MB from Ubisoft, they leaked 300 MB from Crytek, and this data contained a lot more information.

The Crytek files included documents that appeared to have been stolen from the company's game development division. These documents contained resources and information about the development process of games like Arena of Fate and Warface, but also Crytek's old Gface social gaming network.