Pieces of the 3CX supply chain compromise puzzle are starting to fall into place, though we’re still far away from seeing the complete picture. In the meantime, we now also know that: The source of the 3CX breach was a compromised installer for X_TRADER, an old software package for futures-trading provided by Trading Technologies The trojanized installer for X_TRADER software was also used to drop a backdoor on the systems of two critical infrastructure organizations … Continue reading 3CX breach linked to previous supply chain compromise