Your Next Phone Is Already Thinking About Quantum Hackers

TDT | Manama

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Quantum computers could one day break some of the encryption methods that currently protect our digital communications. While large-scale quantum attacks are not yet a reality, technology companies are already preparing for that future.

Smartphone makers and chip manufacturers are beginning to adopt post-quantum cryptography (PQC) — new security methods designed to withstand attacks from powerful quantum computers. The technology works by replacing vulnerable encryption techniques with mathematical algorithms that are considered much harder for quantum machines to crack.

For smartphone users, this protection could eventually become part of the device without requiring any extra effort. Secure messaging, online banking, cloud services, and software updates could all benefit from stronger encryption built into phones and their operating systems.

The concern is not only about future attacks. Hackers can potentially steal encrypted data today and store it until sufficiently powerful quantum computers become available — a strategy known as “harvest now, decrypt later.”

As smartphones become more connected and AI-powered, protecting the data inside them is becoming just as important as making them faster.