Insights

Entanglement-as-a-Service is transitioning from a fascinating concept to a nascent reality. Its technical foundations are solidly rooted in quantum physics, its current development is accelerating through global research efforts, and its promise has caught the attention of the telecommunications industry and beyond. While challenges remain in scaling and integration, the trajectory is clear: EaaS and quantum networks will likely be as transformative in the 21st century as the internet was in the 20th, opening new frontiers in secure communication, computing, and sensing ...

Cryptocurrencies like Bitcoin and Ethereum derive their security from cryptographic algorithms – mathematical puzzles that are practically impossible for classical computers to solve in any reasonable time. However, the emergence of quantum computing threatens this security assumption. Unlike classical machines, quantum computers leverage quantum mechanics to perform certain computations exponentially faster, potentially breaking the cryptographic foundations of blockchain systems. While quantum computers remain in their infancy today, future quantum breakthroughs could undermine digital signatures, wallet security, and even aspects of blockchain consensus if no preventive measures are taken ...

At its core, crypto-agility means being able to swiftly swap out cryptographic algorithms or implementations when weaknesses emerge. In an ideal world, an organization could “drop in” a new encryption algorithm as easily as a software patch, ensuring they stay ahead of threats like quantum computing. The goal is admirable - if you’re nimble in updating encryption, migrating to stronger algorithms is “no big deal”. In theory, this agility would let us replace vulnerable ciphers (like RSA or ECC) with post-quantum cryptography (PQC) at the drop of a hat, minimizing the window of exposure to quantum attacks. In practice, however, this ideal is seldom achieved. Outdated algorithms often linger far past their expiration dates because “ripping them out would break ...

Law enforcement agencies occupy a unique position in the context of the quantum threat. They are both protectors of society’s security and heavy users of sensitive information systems, which makes them especially exposed if those systems are compromised. Here’s why law enforcement is special: Highly Sensitive Data: Police and investigative agencies handle data that could be devastating if leaked – witness identities, undercover operations, criminal intelligence, evidence files, and even personal data of citizens. Such information often needs to remain confidential for decades. If criminal groups or hostile actors use a quantum computer to decrypt law enforcement databases or communications, it could endanger lives and undermine ongoing investigations. Unfortunately, the same “state-of-the-art encryption” protecting this data today “will effectively be ...

The path to quantum readiness is navigable with the right combination of skills, planning, and proactive execution. By leveraging existing strengths - the people and processes you already have - an enterprise can evolve its cryptographic foundations without needing a phD in quantum physics on staff. In fact, quantum-proofing your organization is less about radical new technology and more about disciplined security management: inventory your assets, keep your systems updated, plan for change, test thoroughly, and iterate. Crucially, the time to act is now. Standards are in place, and threat advisories from top agencies warn that waiting until quantum computers arrive is far too late. By beginning the transition today, you’re not only protecting against tomorrow’s decryption threats but also ...

"Quantum security" is a term that is increasingly being used. With everyone having their own definition of the term. It can carry multiple meanings depending on context, but so do other related terms. The whole field is fairly new and related terms are not yet clearly defined. So this is my attempt to untangle the ambiguity by exploring what quantum security commonly refers to, how related terms like quantum resistance, quantum-safe cryptography, quantum resilience, quantum readiness, post-quantum security, and post-quantum cryptography (PQC) are defined, and how different organizations and standards bodies use these terms ...

Operational Technology (OT) environments, such as industrial control systems and critical infrastructure, are especially at risk due to their long-lived devices and infrequent updates. Many OT systems deployed today will still be in use a decade or two from now, well within the timeframe experts anticipate quantum attacks to become practical. The most critical OT systems will likely be the last to become quantum safe due to strict change procedures, long patching or replacement times, verification and validation requirements, and often their inability to handle some of the PQC compute and bandwidth requirements. In short, CISOs with OT responsibility must begin quantum-proofing now, even as immediate cyber threats persist ...

Over the past few decades, researchers have devised multiple quantum computing paradigms – different models and physical implementations of quantum computers – each addressing these challenges in unique ways. In essence, there is no single “quantum computer” design; instead, there are many parallel approaches, each with its own principles, trade-offs, and technological hurdles ...

Photonic Cluster-State Computing is a form of quantum computing in which information is processed using photons (particles of light) that have been prepared in a highly entangled state known as a cluster state. It falls under the paradigm of measurement-based quantum computing (MBQC), often called the one-way quantum computer. In this scheme, a large entangled resource state (the photonic cluster state) is generated first, and then the computation is carried out by performing a sequence of single-qubit measurements on the individual photons ...

In a secure data center somewhere, an adversary is quietly stockpiling encrypted emails, financial transactions, and state secrets - betting that within a decade a new kind of machine will decrypt them in minutes. This scenario underpins what cybersecurity experts are calling "quantum risk." In essence, quantum risk is the looming threat that advances in quantum computing will shatter the cryptographic safeguards protecting our digital infrastructure. It’s a risk that has moved from theoretical to tangible: while quantum computers today remain too primitive to break modern ciphers, experts widely agree that a quantum codebreaking device is a matter of when, not if. For cybersecurity professionals and policymakers, the race is on to understand this threat and brace for its impact ...

Quantum memories are devices capable of storing quantum states (qubits) in a stable form without collapsing their quantum properties. In essence, a quantum memory is the quantum-mechanical analog of classical computer memory or RAM​ ...

Quantum radar and quantum LiDAR are no longer science fiction – they are emerging reality, albeit in early stages. They differ in technology and likely timelines: expect to hear more about quantum LiDAR in commercial products soon, while quantum radar will continue to be a strategic project for defense and require further breakthroughs to reach its full promise. Both, however, underscore the transformative power of quantum technology. As these sensors evolve, they could redefine how we perceive the world, achieving what was once thought impossible – like spotting the “invisible” stealth plane, or navigating a pitch-black, foggy road with the same confidence as a clear day ...