WannaCry Ransomware: Inside the Attack That Changed Cybersecurity
Most people had never heard the word ransomware before May 2017, when a single piece of malicious code brought hospitals, factories, and banks to a standstill within hours. Wannacry ransomware spread across more than 150 countries in a single weekend, locking files behind a payment demand and a ticking countdown clock. The event became a turning point for how organizations think about digital risk, patching, and backup discipline. Anyone researching a modern security strategy still studies this incident closely, because the mistakes that allowed it to spread so quickly are still common today. What Was the WannaCry Outbreak? WannaCry was a type of malicious software known as ransomware, designed to encrypt files on a computer and demand payment for their release. It spread automatically between machines on the same network without requiring a user to click anything, which made it far more dangerous than typical email-based threats. Within a single day, hospitals in the United Kingdom, t...