A cyber mercenary that “ostensibly sells general security and information analysis services to commercial customers” used several Windows and Adobe zero-day exploits in limited and highly-targeted attacks against European and Central American entities.
The company, which Microsoft describes as a private-sector offensive actor (PSOA), is an Austria-based outfit called DSIRF that’s linked to the development and attempted sale of a piece of cyberweapon referred to as Subzero, which can be used to hack targets’ phones, computers, and internet-connected devices.