With the dawn of Quantum Computing fast approaching, the benefits of this compute power to every industry will be immense. However, along with the benefits comes significant security risk, one concept that encapsulates this is "harvest now, decrypt later."
Quantum computing introduces both opportunities and challenges in the realm of cybersecurity. The "harvest now, decrypt later" scenario arises from the fact that data encrypted using current cryptographic standards could be intercepted and stored by malicious actors. While this encrypted data might be secure against attacks from classical computers, the emergence of powerful quantum computers could render this encryption obsolete. In such a scenario, adversaries could decrypt the intercepted data at a later time, potentially accessing sensitive information that was previously thought to be secure.
Traditionally, encrypted data is considered secure because decrypting it requires immense computational power, often beyond the capabilities of existing classical computers within a reasonable timeframe. However, quantum computers have the potential to change this landscape dramatically.
Quantum computers leverage the principles of quantum mechanics to perform certain types of calculations much faster than classical computers. One such algorithm that poses a threat to conventional encryption methods is Shor's algorithm. Shor's algorithm, when executed on a sufficiently powerful quantum computer, can efficiently factor large numbers, which forms the basis of many encryption schemes, including RSA.
This poses significant security risks, especially for sensitive data that needs to remain confidential over long periods, such as classified government information, financial records, or personal data. Organizations and governments need to anticipate this threat and take proactive measures to enhance their cybersecurity posture. This may involve transitioning to quantum-resistant cryptographic algorithms and implementing quantum key distribution (QKD) systems to ensure the security of communications in the quantum era.
Conduct a review of all areas of the business and determine the highest priority assets, IP and data.
Review of viable Quantum Security / Encryption vendors to determine the best fit for the use cases reviewed.
Manage Proof of Value testing and subsequent production deployment scope and implementation strategy.
Implement Production deployment plan to mitigate post-quantum security risks
Begin assessing your organization today and collaborate on a plan to meet Post-Quantum Cryptography (PQC) security requirements