The business of cybercrime is booming, and the people who protect our data are seemingly locked in step with the people who hack it. So today we’re covering historical efforts to safeguard – or steal – our most valuable information online. From ancient cryptographers inspiring early digital security tools, to the world’s first major malware attack, to unbreakable codes, social engineering, and what happens when codebreaking becomes fun. This is part two of our Cyber Mysteries series.

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