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Zero Trust – How a Quantum Random Number Meets These Objectives

Security is more crucial than ever, and the USA federal government has made significant strides in implementing a zero trust architecture to enhance cybersecurity. At the heart of this strategy is the critical need for reliable and secure random number generation, which plays a fundamental role in encryption and data protection.

Zero Trust and the Danger of Trusting operating system generated Random Numbers

One of the core principles of zero trust is to “never trust, always verify.” This approach highlights the significant risk of relying solely on operating systems for random number generation. Operating systems, no matter how secure, are complex and can be vulnerable to attacks that compromise their random number generation processes. If an attacker can predict or influence these numbers, they can undermine encryption and access sensitive data.

By default, trusting an operating system to provide truly random numbers introduces a single point of failure in the security architecture. This is a considerable threat to resilient encryption and overall system security. QRNGs mitigate this risk by providing a separate, highly secure source of randomness that can be integrated into cryptographic systems independently of the operating system’s inherent vulnerabilities.

Traditional Random Number Generation: A Shortfall

Most operating systems rely on pseudorandom number generators (PRNGs) or true random number generators (TRNGs) to produce the randomness required for cryptographic operations. PRNGs generate numbers based on algorithms, making them predictable to a degree. This predictability poses a significant risk as attackers can potentially reverse-engineer the algorithm to predict future values.

TRNGs, on the other hand, derive randomness from physical processes such as thermal noise or electronic circuit characteristics. While TRNGs offer better randomness than PRNGs, they are not without their issues. One of the primary shortcomings of TRNGs is their susceptibility to environmental factors and hardware malfunctions. These can lead to lower entropy and, consequently, weaker security.

Moreover, neither PRNGs nor TRNGs inherently verify the entropy they serve. This lack of verification means that if the source of randomness is compromised or degraded, the resulting random numbers may be less secure, undermining the entire cryptographic system.

QRNG: Delivering True Verified Entropy

QRNGs leverage the principles of quantum mechanics to produce truly random numbers. Unlike TRNGs, which depend on physical processes that can degrade or be influenced, QRNGs utilize quantum phenomena, such as photon behaviour, which are fundamentally unpredictable. This makes QRNGs an ideal candidate for generating high-entropy randomness that is crucial for robust encryption.

The quantum processes employed by QRNGs ensure that the randomness generated is verifiable and not subject to the same weaknesses as traditional methods. By integrating QRNGs, organizations can align with the zero trust framework by ensuring that their cryptographic keys and other security mechanisms are based on true, verifiable entropy.


As organizations strive to meet the USA federal mandate of zero trust, adopting QRNG technology becomes essential. QRNGs not only support the zero trust objectives by supplying true, verifiable entropy but also eliminate the significant risks associated with traditional random number generation methods. In a zero trust architecture, where every component must be scrutinized and verified, QRNGs offer a robust solution to enhance cryptographic security and resilience.

By leveraging QRNGs, organizations can ensure that their encryption is not just strong but also trustworthy, aligning perfectly with the zero trust principle of never trusting blindly but always verifying every aspect of their security infrastructure.