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That night, Alex googled: "learn ethical hacking from scratch online course."

The course introduced "footprinting" and "reconnaissance." Alex learned simple commands like nmap to see what "doors" (network ports) were open on a device. He practiced on his own virtual machines. When he scanned his coffee shop’s public Wi-Fi router, he nearly choked. Port 21 (FTP) was wide open—an ancient, insecure way to transfer files. That was the back door. learn ethical hacking from scratch en línea curso

His heart pounded. He now understood exactly how the ghost was stealing the shop's data. That night, Alex googled: "learn ethical hacking from

Alex had a problem. His small neighborhood coffee shop, "The Daily Grind," was bleeding money. Not from expensive milk or broken espresso machines, but from a ghost. Every week, the digital till came up short. The security camera showed nothing unusual. His manager swore the cash was there. Port 21 (FTP) was wide open—an ancient, insecure