Polish video game creator CD Projekt RED, author of
The Witcher
and
Cyberpunk 2077
, announced on Tuesday that data had been stolen in a "
targeted cyber attack
".
Read also: Cyberpunk 2077: CD Projekt, the video game heavyweight from Poland
"
An unidentified actor obtained unauthorized access to our internal network, collected some data belonging to the CD PROJEKT group and left a ransom note
," the group said on Twitter.
The studio said the incident happened on Monday and contacted police.
CD Projekt released a copy of the ransom note in which hackers claim to have stolen source codes of
Cyberpunk 2077
and
The Witcher 3
, as well as internal documents.
48 hour ultimatum
"
If we do not come to an agreement, your source codes will be sold or disclosed online,
" read the memo which gives the group 48 hours to respond.
Hackers are also threatening to pass internal documents to journalists.
"
Investors will lose confidence in your group and your stock will plunge even lower,
" continue the cyber hackers.
CD Projekt's shares were trading down 4% on the Warsaw Stock Exchange around 2 p.m.
The group's shares had already plunged after a series of problems with the highly anticipated
Cyberpunk 2077 release
in December, before resuming last month when billionaire Elon Musk praised its design.
Read also:
Cyberpunk 2077
, the most anticipated video game shipwreck of the year
The Polish studio said it did not intend to "
give in to demands or negotiate
".
"
We are taking the necessary measures to limit the consequences of a
potential
disclosure
" of data, assured CD Projekt RED.
"
At this stage, we can confirm that to our knowledge, the compromised systems did not contain any personal data of our players or customers of our services
", assured the group.