Linux, the MySQLdatabase and other low-cost open-source software, first created by amateurs, have evolved at Internet speed and are now polished enough to rival products from Microsoft and Oracle.
Imagine if the problem had been first identified in November via a process to audit related systems based on the one reported intrusion into the internal chat application, or if an intrusion detection system had started firing red based on the exfiltration of their entire MySQLdatabase.