{"id":545076,"date":"2025-07-14T06:55:44","date_gmt":"2025-07-14T06:55:44","guid":{"rendered":"https:\/\/www.capgemini.com\/au-en\/?p=545076&preview=true&preview_id=545076"},"modified":"2025-07-24T07:00:13","modified_gmt":"2025-07-24T07:00:13","slug":"quantum-safety-the-next-cybersecurity-imperative","status":"publish","type":"post","link":"https:\/\/www.capgemini.com\/au-en\/insights\/expert-perspectives\/quantum-safety-the-next-cybersecurity-imperative\/","title":{"rendered":"Quantum safety: The next cybersecurity imperative"},"content":{"rendered":"\n

Quantum safety: The next cybersecurity imperative<\/h1><\/div><\/div><\/div><\/div>
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Marco Pereira<\/h5>
Jul 14, 2025<\/h5><\/div><\/div>
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The cybersecurity landscape is undergoing a profound transformation. As quantum computing edges closer to commercial reality, it\u2019s no longer a question of if but when our traditional cryptographic defenses will fall short.<\/p>\n\n\n\n

Quantum computing brings immense promise \u2013 but also unprecedented risk. Its ability to break widely used public-key encryption could render current security architectures obsolete. The looming threat of harvest-now, decrypt-later attacks \u2013 where encrypted data is stolen today to be decrypted tomorrow \u2013 has elevated quantum safety from a technical discussion to a boardroom imperative.<\/p>\n\n\n\n

Why quantum safety must be on the C-suite agenda<\/strong><\/h2>\n\n\n\n

Public key encryption is the invisible backbone of the digital world, securing everything from online shopping to government communications. It enables secure data exchange, ensuring that sensitive information \u2013 like credit card numbers, personal messages, business transactions \u2013 remains private and tamper-proof.<\/p>\n\n\n\n

Each time you see a padlock icon in your browser\u2019s address bar, public key encryption is at work, protecting your connection to that website. It also underpins digital signatures that validate software, emails, and documents, preventing fraud and forgery. In short, public key encryption is not merely a technology \u2013 it\u2019s the foundation of digital trust.<\/p>\n\n\n\n

This is why regulators are tightening data protection mandates. Enterprises are modernizing their technology stacks. In this climate, securing data against future decryption becomes a business continuity issue.<\/p>\n\n\n\n

The state of readiness: What the data tells us<\/strong><\/h2>\n\n\n\n

Our recent CRI research<\/a> reveals that 70% of organizations \u2013 whom we refer to as \u201cearly adopters\u201d \u2013 are already assessing or deploying quantum-safe measures. This is a strong signal that quantum security is firmly on the radar of forward-looking enterprises. One in six early adopters believes quantum breakthroughs could occur within the next five years. Seventy percent of them recognize post-quantum cryptography (PQC) as the most viable solution to address near-term quantum risks.<\/p>\n\n\n\n

Yet, three in 10 organizations still underestimate the quantum threat. This oversight exposes them to significant risks \u2013 including prolonged vulnerability of sensitive data, noncompliance with evolving regulatory standards, erosion of investor and customer trust, and potential reputational damage in the event of a breach.<\/p>\n\n\n\n

Decoding quantum-safe cybersecurity<\/strong><\/h2>\n\n\n\n

Quantum-safe cybersecurity is not about replacing encryption overnight. It\u2019s about building resilient, future-proof architectures through a combination of:<\/p>\n\n\n\n