Quantum computing represents a major threat to encryption, and the inflection point may be less than five years away.

When the IBM PC was new, I served as the president of the San Francisco PC User Group for three years. That’s how I met PCMag’s editorial team, who brought me on board in 1986. In the years since that ...

We don’t know exactly what he said, but in 1971, Ray Tomlinson used Arpanet to send the first email ever. You can bet he was only thinking about getting the message to its destination, not about ...

Toby Walters is a financial writer, investor, and lifelong learner. He has a passion for analyzing economic and financial data and sharing it with others. Credit card encryption helps prevent theft of ...