Ransomware-as-a-Service and Malware-as-a-Service operators have industrialized cybercrime, yet their entry point has not changed. Across dozens of distinct criminal enterprises, with different payloads, different infrastructure, and different affiliates, the overwhelming majority of successful intrusions begin the same way: a file arrives, a person opens it, and the organization loses control of the outcome. Every dollar of downstream security spending is an attempt to recover from that single moment.