Downfall, a fan expansion for the popular Slay the Spire indie strategy game, was breached on Christmas Day to push Epsilon information stealer malware using the Steam update system.
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"The breach window was roughly 1:30 PM-2:30 PM Eastern (1830-1930 UTC+0) on 12/25. If you did launch Downfall on 12/25 during the breach window and got a Unity library installer popup, please continue to read. You may be also at risk…
From article.
Downfall, a fan expansion for the popular Slay the Spire indie strategy game, was breached on Christmas Day to push Epsilon information stealer malware using the Steam update system. … "The breach window was roughly 1:30 PM-2:30 PM Eastern (1830-1930 UTC+0) on 12/25. If you did launch Downfall on 12/25 during the breach window and got a Unity library installer popup, please continue to read. You may be also at risk…