Global digital security may be heading toward a turning point experts call “Q-Day.” This is the moment when quantum computers could become powerful enough to break the encryption systems currently protecting banking, emails, cryptocurrencies, government communication, and the internet.

According to reports, Google has warned that by 2029, quantum computers may gain the ability to crack some existing encryption methods, reducing the time available for governments, companies, and cybersecurity agencies to prepare.

Experts also fear that cybercriminals and some nations are already stealing encrypted data and storing it for the future — a strategy known as “Harvest Now, Decrypt Later.” Once powerful quantum computers arrive, today’s stolen data could potentially be decrypted.

To counter this threat, companies like Google and Cloudflare are working on Post-Quantum Cryptography, designed to withstand future quantum attacks and strengthen digital security.

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