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Quantum Cryptography & Cybersecurity: Post-Quantum Security & QKD

Post-quantum cryptography news: NIST PQC standards, quantum-safe security, quantum key distribution. Quantum threats & encryption updates.

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Quantum computing poses an existential threat to current encryption infrastructure while simultaneously offering unprecedented security through quantum cryptographic protocols. The cybersecurity community faces a dual imperative: migrating to post-quantum cryptographic standards resistant to quantum attacks while deploying quantum key distribution (QKD) for long-term information security.

Post-Quantum Cryptography (PQC) standards from NIST include CRYSTALS-Kyber (lattice-based key encapsulation), CRYSTALS-Dilithium (lattice-based digital signatures), SPHINCS+ (hash-based signatures), and FALCON. These algorithms rely on mathematically hard problems believed resistant to quantum attacks.

India's Quantum Cryptography and Cybersecurity Initiatives

India's National Quantum Mission includes quantum communication as one of four verticals with substantial allocation. The Thematic Hub on Quantum Communication at IIT Madras, established as the IITM C-DOT Samgnya Technologies Foundation, focuses on quantum cryptography, post-quantum security, quantum key distribution networks, quantum memory, quantum repeaters, and satellite-enabled quantum communication.

The Department of Telecommunications (DoT) and Ministry of Electronics and Information Technology (MeitY) coordinate quantum-safe migration for critical infrastructure. The Defence Research and Development Organisation (DRDO) leads quantum-safe security scheme design and testing according to NQM documentation.

Bengaluru-based QNu Labs, selected under NQM startup support in November 2024, develops quantum-safe cryptography and secure communication systems including QKD systems and quantum random number generators for defense, telecom, and data security applications.

The NQM targets developing quantum-resilient encryption and post-quantum cryptographic frameworks for India's critical infrastructure, with satellite-based secure quantum communications over 2000km and inter-city quantum key distribution as specific deliverables.

Quantum Computing Weekly Round-Up: Week Ending September 26, 2026quantum-computing

Quantum Computing Weekly Round-Up: Week Ending September 26, 2026

Infleqtion entangled 30 logical qubits on 80 physical atoms this week while IonQ parked Superion 256 as the first QPU at NVIDIA's Accelerated Quantum Research Center. Germany selected QUDORA for a €122 million 1,000-qubit ion-trap pilot line and planqc for a competition funded up to €640 million. Click through for Taiwan's 150-qubit RFP, Japan's Shunkai room-temperature stack, QShield 2.0, and 104 findings against China's first NGCC PQC round. Plus much more in this TQR week-ending summary. The post Quantum Computing Weekly Round-Up: Week Ending September 26, 2026 appeared first on The Qubit Report.

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Quantum-safe algorithms may fail faster with powerful AI tools From SIKEquantum-computing

Quantum-safe algorithms may fail faster with powerful AI tools From SIKE

A cryptographic algorithm once considered a leading candidate for quantum-resistant encryption fell in just one hour on a standard laptop, not to a quantum computer, but to a mathematical insight from 1997. The Supersonic Multivariates Isogeny Key Encapsulation (SIKE) protocol advanced to the fourth round of evaluation by the National Institute of Standards and Technology before mathematicians Wouter Castryck and Thomas Decru connected its structure to Ernst Kani’s decades-old theorem. This collapse highlights a growing vulnerability, as frontier AI systems now possess the capacity to rapidly explore obscure mathematical connections, potentially shortening the window between overlooked weakness and successful attack, according to security leaders. “Years without a successful attack provide evidence, but they cannot establish that every useful mathematical connection has been explored,” the researchers noted. In May 2026, OpenAI reported that an internal model disproved a longstanding conjecture associated with Erdős’s planar unit-distance problem, first posed in 1946. The model applied sophisticated algebraic number theory to a seemingly elementary geometry question, a transfer of ideas between fields that produced a major result. This month, OpenAI announced an AI-generated solution to the Navier-Stokes existence and smoothness problem, unresolved for roughly 90 years, and released both a written proof and a formalization for computer verification. The announcement remains subject to mathematical scrutiny, but the progression is stunning. Frontier systems are now producing research claims against problems that have occupied generations of the best mathematicians. It is certain these capabilities to accelerate the search for overlooked cryptographic weaknesses are being used on a vast scale, especially by intel agencies with enormous grid-straining compute, long before AI made it cool. Would models have independently broken SIKE in hours?

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A 0.11 threshold defines secure quantum data for learningquantum-computing

A 0.11 threshold defines secure quantum data for learning

Jeongho Bang of Yonsei University established a security threshold of η_(BB84)≃0.11 defining acceptable noise levels in a BB84 protocol while still allowing a machine learning model to learn data securely and within a defined sample budget. This number marks a boundary for secure machine learning, connecting the formal framework of probably-approximately-correct (PAC) learning with the practical consideration of data-path security. The research specifically applies this framework to a “BB84-like quantum label path,” linking abstract security theory to the principles of quantum key distribution. The work demonstrates that the quantum component transforms a chosen noise tolerance into a testable security condition by connecting information acquisition to measurable disturbance. PAC Learning with Budget Constraints Defines Secure Quantum Data A security threshold of 0.11 was established by the research, creating a novel connection between concepts rarely linked in existing frameworks. This operational theory of secure learning centers on an explicit stopping time, combining a trained hypothesis reaching target accuracy with a validation gate halting within a finite sample budget. The work derives a closed-form requirement for this combined PAC-within-budget guarantee, operating under an admissible random-classification-noise channel. Under assumptions of ideal single-qubit operation, authenticated classical channels, memoryless systems, basis symmetry, collective attacks, asymptotic behavior and one-way reconciliation, the standard Holevo bound provides a protocol-specific information-advantage criterion. According to the paper published in Quantum Science and Technology, “The quantum layer is not invoked to reduce distribution-free PAC sample complexity; rather, it turns a designer-chosen classical noise tolerance into a physically testable, protocol-dependent security condition by linking information acquisition to observable disturbance.” Below the ηBB84≃0.11 thresh

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Nanjing University boosts quantum key rates for three-user networksquantum-computing

Nanjing University boosts quantum key rates for three-user networks

Nanjing University researchers have linked three users in a quantum communication experiment, establishing a shared secure key and moving beyond typical two-party quantum key distribution. The team reports demonstrating an asynchronous measurement-device-independent quantum cryptographic conferencing (AMDI QCC) protocol, designed to eliminate reliance on a trusted measurement station and safeguard against attacks on detection equipment. By using a fiber-based multipath interferometer at a central GHZ measurement station, the system enables interference between signals, offering a path toward scaling multiuser quantum networks; “This change brings a fundamental improvement in how the key rate scales with transmission loss,” the researchers state. This advance addresses key challenges in building practical quantum networks by improving key generation rates and reducing control complexity. They achieved a maximum total system loss of 59.6 dB, compared with 21.5 dB and a secure key rate of approximately 4.470 × 10⁻⁹ bits per pulse. Asynchronous Measurement-Device-Independent Quantum Cryptographic Conferencing Protocol The new protocol achieved secure key generation with a maximum total system loss of approximately 59.6 dB, compared with approximately 21.5 dB attained in the same group’s prior polarization-encoded MDI quantum conferencing experiment. This leap in performance addresses a critical limitation of earlier multiuser quantum key distribution systems, where key generation rates diminished rapidly with increased transmission loss and user count. By moving beyond reliance on rare multiphoton coincidence events, the Nanjing University team circumvented a fundamental bottleneck hindering scalability. Conventional measurement-device-independent quantum conferencing protocols depend on detecting multiple photons simultaneously, a process that becomes exponentially more difficult as network size increases. Professor Zeng-Bing Chen and Hua-Lei Yin’s group theoretically

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IonQ and SDT team up to bring quantum tech to Asia-Pacificquantum-computing

IonQ and SDT team up to bring quantum tech to Asia-Pacific

IonQ will deploy its Superion 256 quantum computer and a silicon-vacancy quantum memory module in South Korea through a new partnership with SDT, marking the first installation of these specific technologies in the Asia-Pacific region. The collaboration expands beyond software to include physical hardware production and assembly, with SDT planning a dedicated quantum manufacturing facility in Gumi, South Korea. “Demand for our new Superion 256 system is growing globally,” said Niccolo de Masi, Chairman and CEO of IonQ. This partnership aims to establish both high-performance computing and future quantum data centers within the region. IonQ and SDT Expand Partnership with Superion 256 Deployment This deployment, facilitated through a strategic partnership with Korean firm SDT, Inc., moves beyond simple cloud access to establish a physical hardware and manufacturing foothold within the country. SDT intends to integrate the Superion 256 into a customer’s existing infrastructure, with plans to co-develop a hybrid quantum-classical data center, signaling a move toward practical quantum applications. This facility represents a substantial investment in local production capabilities, shifting the partnership from a reseller agreement to a collaborative manufacturing venture. According to IonQ, this move underscores the growing global demand for the Superion 256, a 256-qubit trapped-ion platform utilizing the company’s Electronic Qubit Control, which replaces traditional laser-based control systems with on-chip electronics fabricated at SkyWater foundry. The SiV quantum memory module, a critical component for extending quantum coherence times, will also be manufactured at the Gumi facility, further solidifying the partnership’s scope. The collaboration builds upon existing relationships IonQ has cultivated within South Korea, including partnerships with KISTI, SK Telecom, Hyundai Motor Company, Seoul National University, and Sungkyunkwan University. “This purchase equips SD

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Cloudflare Details 6 Implementation Steps Beyond Quantum-Safe Algorithmsquantum-computing

Cloudflare Details 6 Implementation Steps Beyond Quantum-Safe Algorithms

Side-channel testing has successfully recovered secret keys from systems that correctly used approved quantum-safe algorithms, revealing a critical vulnerability beyond the mathematics of encryption. This finding underscores that standardized algorithms alone are not enough to guarantee security as organizations transition to post-quantum cryptography. Real-world Transport Layer Security (TLS) handshake testing has produced rejected certificates and wire-format mismatches between generations of the same cryptographic provider. And at internet scale, a single configuration change has meaningfully improved how reliably quantum-safe connections complete. “The algorithm is only one layer of quantum-safe cryptography implementation,” highlighting the importance of testing, configuration, and validation. What is quantum-safe cryptography implementation? Successful deployment of quantum-safe cryptography extends far beyond selecting a standardized algorithm; thorough testing of implementations is essential for genuine security. To achieve this, organizations must prioritize rigorous validation procedures alongside algorithm selection, focusing on how the cryptography is integrated into their specific systems and environments, enQase says. Consider that a flawed implementation can negate the benefits of even the most advanced mathematical constructs. These issues demonstrate that seamless communication requires careful coordination and adherence to standards, even within a single vendor’s ecosystem. The key is to proactively test interoperability between different implementations and providers to ensure smooth and secure connections across diverse systems. And at internet scale, a single configuration change has meaningfully improved how reliably quantum-safe connections complete, underscoring that seemingly minor adjustments can have a significant impact on real-world deployment success. This finding suggests that optimizing configurations and streamlining deployment proce

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Quantum attack protection built into CaveroCore for defencequantum-computing

Quantum attack protection built into CaveroCore for defence

Cavero Secure is demonstrating a new approach to hardware security intended to proactively defend against supply chain attacks and emerging quantum threats, the company says. CaveroCore secures completed devices even before shipment, allowing for secure activation in the field using a network of trusted devices; the system identifies cloned, counterfeited, or compromised components. This capability extends quantum attack protection to even the most constrained devices, replacing vulnerable static keys. The company states it is seeking partners and investors to help develop trust protocols for defence technology as it participates in Tech Tour Quantum and Defence in Berlin. CaveroCore Secures Defence Hardware Throughout Supply Chains This proactive approach contrasts with conventional methods focused on threat detection after deployment, offering an advantage in securing sensitive technologies. The system flags cloned or counterfeited devices and components, addressing a vulnerability within complex supply chains. This capability extends quantum-safe security to environments previously considered impractical for such protection. Cavero Secure intends to foster collaboration at the Tech Tour Quantum and Defence event in Berlin, seeking investment to accelerate development of these trust protocols. The company’s factory-to-field solution aims to establish a secure chain of custody for mission-critical technology, protecting it from compromise throughout its lifecycle. Source: https://caverosecure.com/insights/tech-tour-quantum-and-defence-berlin More like thisQuantum Computing Business NewsSplendor Labs launches blockchain built to withstand quantum attacksQuantum AlgorithmsDecaQ achieves 2.045-second median for complex quantum workloadQuantum HardwareInfleqtion Entangles 30 Logical Qubits on Sqale ComputerQuantum Computing Business NewsQTREX Quantum’s AME segment drives $1.55M in first halfStay currentSee today’s quantum computing news on Quantum Zeitgeist for the lat

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NIST Standards Drive Demand for 11 Quantum Encryption Approachesquantum-computing

NIST Standards Drive Demand for 11 Quantum Encryption Approaches

Organizations are now prioritizing evaluation of quantum-resistant encryption solutions as finalized government standards and emerging data interception risks demand immediate action in 2026. The core math underlying today’s standard security frameworks, relied upon for web traffic, cloud workloads, and digital identities, will not withstand the processing capabilities of quantum hardware running Shor’s algorithm. Instead of prime factorization, these defenses utilize lattice-based mathematics, hash structures, or physical laws to secure data, with algorithms like Module Learning With Errors (M-LWE) creating complex equations that resist both supercomputers and quantum systems. Transitioning to these methods, and implementing ML-KEM encryption under NIST post-quantum standards, is essential for enterprise security teams. What is the best quantum-resistant encryption solution for enterprises? To achieve robust, future-proof security, enterprises should prioritize crypto-agility platforms, systems designed to seamlessly integrate and update cryptographic algorithms. These platforms combine automated discovery of vulnerable systems, support for emerging standards, and native hybrid cryptography, allowing organizations to adapt quickly to evolving threats. A solution like enQase enables centralized management of quantum security policies and algorithm updates without disrupting existing software workflows, a critical feature for maintaining operational continuity. NIST subsequently selected HQC as a backup key encapsulation mechanism in March 2025, further solidifying the selection of approved algorithms. Western Digital’s Ultrastar HDDs now incorporate hardware-level defense using post-quantum cryptography and NIST-approved algorithms, indicating a trend toward embedding quantum-resistant cryptography directly into data storage solutions. This proactive approach minimizes the risk of data interception, even if encryption is compromised in transit. The agency’s partners

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Fisher matrix reveals limits of quantum learning speedquantum-computing

Fisher matrix reveals limits of quantum learning speed

Hyukgun Kwon, Seok Hyung Lie, and Liang Jiang have determined the number of samples needed to estimate parameters of a quantum system is fundamentally limited by a property of the inverse Fisher information matrix, differing only by a logarithmic factor. The researchers derived both upper and lower bounds for sample complexity, highlighting two fundamental contributions to quantum learning theory. This work addresses a longstanding open problem by providing unified analytical bounds for quantum learning protocols, which help with hardware benchmarking and noise modeling, and quantum error correction. “Our results address the important open problem of establishing task-independent sample complexity bounds,” the paper reports. Fisher Information Matrix Governs Quantum Learning Bounds This relationship establishes a quantifiable boundary between the information a quantum system holds and the resources required to extract it. The analysis extends beyond theoretical considerations, providing concrete bounds applicable to practical quantum learning tasks. Applying these bounds, researchers specifically examined Pauli channel learning and Pauli expectation value learning as representative problems in quantum channel and state estimation, focusing on scenarios where the desired accuracy is high. These analyses, conducted in the asymptotic small-error regime, demonstrate the broad applicability of the derived bounds to concrete quantum learning challenges. The work also establishes a framework for determining sample complexity independent of the specific task, a longstanding challenge in the field. Specifically, the researchers demonstrate that exponential sample complexity arises in Pauli channel learning when entanglement is absent, and in Pauli expectation value learning without quantum memory; this occurs because of a direct comparison between the quantum and classical Fisher information matrices, as demonstrated in reference.

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European Commission Approves eCAUSIS Results as Creotech Quantum Prepares QKD System for Commercial Rolloutquantum-computing

European Commission Approves eCAUSIS Results as Creotech Quantum Prepares QKD System for Commercial Rollout

European Commission Approves eCAUSIS Results as Creotech Quantum Prepares QKD System for Commercial Rollout Warsaw-listed quantum technology developer Creotech Quantum S.A. (GPW: CTQ) has received formal approval from the European Commission for the completion of project eCAUSIS (European, Certifiable, Affordable, User-oriented, Secure, Integration-able, Scalable quantum key distribution solutions). Executed under the Horizon Europe framework, the Digital Europe Programme (Project ID: 101091564), and the EuroQCI (European Quantum Communication Infrastructure) initiative, the technical and financial validation transitions Creotech Quantum’s proprietary Discrete-Variable Quantum Key Distribution (DV-QKD) platform from R&D into commercial production. The eCAUSIS project carried a total overall budget of €6,977,626.81 ($8 million USD) (with €4,523,868.99 ($5.155 million USD) in EU grant funding). Creotech Quantum served as consortium coordinator alongside the AIT Austrian Institute of Technology and the Fraunhofer Society (Fraunhofer HHI). Creotech’s share of the project totaled €4,180,000 ($4.76 million USD) in eligible costs (funded up to €3.13 million ($3.57 million USD)), while Fraunhofer HHI (€1.16M ($1.3M USD) EU contribution) developed 1300 nm InGaAs single-photon avalanche diode (SPAD) detector modules with CMOS active-quenching ICs, and AIT (€254K ($290K USD) EU contribution) delivered the production-ready, ETSI-compliant AURORA Key Management System (KMS) and SDN suite. The resulting architecture features an interoperable DV-QKD hardware module in a PCIe form factor, integrated optical assemblies, and platform-independent software aligned with ETSI certification frameworks and Common Criteria standards using the decoy-state BB84 protocol. [ eCAUSIS Project Financials, Consortium Architecture & Industrial Roadmap ]Consortium & Budget AllocationSystem & Optoelectronic DeliverablesManufacturing & Scaling Capacity• Overall Budget: €6.98 Million

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Creotech Quantum Wins €2.33M ($2.66M USD) ESA Contract for Space-Grade Quantum Detectorsquantum-computing

Creotech Quantum Wins €2.33M ($2.66M USD) ESA Contract for Space-Grade Quantum Detectors

Creotech Quantum Wins €2.33M ($2.66M USD) ESA Contract for Space-Grade Quantum Detectors Warsaw-listed quantum infrastructure vendor Creotech Quantum S.A. (GPW: CTQ) has signed a contract with the European Space Agency (ESA) to lead an international consortium developing next-generation single-photon detectors. Titled HRQKD (High-Rate Quantum Key Distribution), the €2.33 million ($2.66 million USD) project allocates €1.2 million ($1.37 million USD) directly to Creotech Quantum as prime contractor to design, manufacture, and validate high-sensitivity Superconducting Nanowire Single-Photon Detectors (SNSPDs). Executed over a 24-month schedule, the initiative advances SNSPD detection hardware from proof-of-concept prototypes to Technology Readiness Level 5 (TRL 5), validating operational stability in simulated industrial and space-ground environments. The detectors serve as foundational components for optical ground stations receiving space-to-ground quantum signals across European satellite networks, including EuroQCI, IRIS², ARTES, SAGA, and ScyLight. In addition to QKD cryptographic key reception, the ultra-low-noise SNSPD systems enable high-bandwidth deep-space optical communication where received signals are extremely faint, such as lunar base links and deep-space science probes. [ ESA HRQKD Project Architecture & Financial Scope ]Contract ParameterHardware & Technical ScopeStrategic Deployment Scope• Total Value: €2.33 Million• Creotech Share: €1.2 Million• Timeline: 24 Months• Superconducting Nanowire Single-Photon Detectors (SNSPDs)• Integrated readout electronics & control software• Target Maturity: TRL 5 (Industrial Validation)• Satellite-to-Ground QKD Networks (EuroQCI, IRIS²)• Deep-space optical laser communications• Defense, telecom, & critical infrastructure links Led by CEO Dr. Anna Kamińska, Creotech Quantum acts as consortium lead, overseeing electronics engineering, software architecture, environmental testing, and product roadmap dev

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Creotech Quantum Prepares QKD System for Commercializationquantum-computing

Creotech Quantum Prepares QKD System for Commercialization

Insider Brief PRESS RELEASE — Creotech Quantum S.A., a Warsaw Stock Exchange-listed company developing and commercializing quantum technologies, announced that the European Commission has approved the results of the eCAUSIS project – “European, Certifiable, Affordable, User-oriented, Secure, Integrationable, Scalable quantum key distribution solutions”. The project was positively assessed both in terms of its technical and […]

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Guest Post: Quantum Investment May Start With Post-Quantum Security - The Quantum Insiderquantum-computing

Guest Post: Quantum Investment May Start With Post-Quantum Security - The Quantum Insider

Guest Post: Quantum Investment May Start With Post-Quantum Security The Quantum Insider

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Splendor Labs launches blockchain built to withstand quantum attacksquantum-computing

Splendor Labs launches blockchain built to withstand quantum attacks

Splendor Labs SA launched Splendor Quantum Chain on September 25, 2026, establishing the world’s first live Layer-1 blockchain integrating ML-DSA-65 signatures, ML-KEM-768 network security, dual ML-DSA/SLH-DSA verification, and RLNC-based data transport in a single post-quantum architecture. The new network anticipates the evolving threat of quantum computing to digital ownership and transaction security, positioning itself as foundational infrastructure for both decentralized finance and emerging applications in artificial intelligence. “We designed Splendor Quantum Chain around where we believe digital infrastructure is going, not simply where it is today,” said Todor Ivanov, Founder and CEO of Splendor Labs SA, as major institutions like BlackRock, J.P. Morgan, and Fidelity develop initiatives for real-world asset tokenization. This combination places quantum-resistant protection directly into the network’s core functions, covering transaction signing, node communication, verification layers, and data distribution. The architecture’s development used patent-pending technology designed to preemptively address vulnerabilities arising from the anticipated progression of cryptographically relevant quantum computing. This proactive approach differs from strategies that treat post-quantum security as a future upgrade to existing systems. The network’s design also anticipates the increasing intersection of blockchain technology and traditional finance, a convergence driving demand for secure, scalable infrastructure. Institutions including BlackRock, J.P. Morgan, Goldman Sachs, Citi, Franklin Templeton and Fidelity are actively developing initiatives for digital asset tokenization, with a focus on representing real-world assets like real estate, funds, and bonds on blockchain networks. Splendor Quantum Chain provides the foundational infrastructure for these applications, offering programmable assets, native token functionality, and verifiable settlement capabilities, a

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Mphasis and Copa Airlines Seek Quantum Boost to Airline Efficiencyquantum-computing

Mphasis and Copa Airlines Seek Quantum Boost to Airline Efficiency

Copa Airlines and Mphasis recently invited teams from Indian Institutes of Technology and the University of Calgary to tackle a precise challenge: optimizing passenger re-accommodation during flight disruptions, the company says. The international competition focused on improving the passenger re-accommodation rate without impacting the solution runtime, areas where current methods fall short. Participants used quantum computing to address a problem stemming from demand shifts, seasonal routes, or cancellations, working with real Copa Airlines data. “The Quantum Computing Challenge reflects Mphasis’ commitment to applied innovation and advancements in quantum technologies,” said Srikumar Ramanathan, Chief Solutions Officer at Mphasis, as industries seek to deploy quantum computing for real-world impact. Mphasis and Copa Airlines Launch Quantum Disruption Management Challenge Teams from the University of Calgary and several Indian Institutes of Technology competed in a challenge designed to refine passenger re-accommodation strategies using quantum computing, a focused invitation indicating a deliberate approach to sourcing solutions. Copa Airlines and Mphasis structured the competition around a specific disruption management issue, arising from factors like fluctuating demand, seasonal route adjustments, or flight cancellations. This precise focus allowed participants to address a well-defined pain point within airline operations, rather than tackling broad, undefined challenges. Mphasis’ commitment to quantum computing extends beyond theoretical exploration, as evidenced by its collaborations and innovation hubs; in September 2024, the company opened a London innovation hub positioned as a center of excellence for quantum computing, quantum cryptography and AI aimed at algorithmic underwriting, catastrophic risk. The company’s NEXT Labs, its research and development division, partnered with Copa Airlines to define the challenge parameters, secure necessary data, an

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Utimaco says quantum crypto dependency knowledge is step onequantum-computing

Utimaco says quantum crypto dependency knowledge is step one

Organizations with data requiring confidentiality for a decade or more are already at risk from “harvest now, decrypt later” attacks, even before powerful quantum computers arrive. Utimaco, a provider of cybersecurity and compliance solutions specializing in hardware security modules, emphasizes that the critical step isn’t predicting when quantum computing will break encryption, but calculating how long it would take to replace it, the company says. “Your clock started before the quantum computer,” the company asserts, framing quantum readiness as the sum of data lifetime and cryptography replacement time, a calculation many organizations haven’t begun. In 2024, the National Institute of Standards and Technology finalized its first post-quantum cryptography standards, signaling the urgency of migration. Data Lifetime and Migration Timelines Define Quantum Risk This exposure stems from the longevity of data compared to the projected timeline for cryptographically relevant quantum computing, a disparity many businesses have yet to quantify. Determining the timeframe for cryptographic replacement is equally critical, as migrating systems across a large enterprise is a multi-year undertaking. Calculating quantum readiness requires summing data lifetime with cryptography replacement time, a simple equation surprisingly absent from many security assessments. Visibility into current cryptographic deployments is the essential first step; organizations must identify which certificates, protocols, and signing processes rely on RSA or elliptic-curve cryptography. Without this detailed inventory, migration efforts risk becoming inefficient guesswork, potentially overlooking critical systems protecting long-term confidential information. A short-lived internal connection presents a different risk profile than a root of trust or a signing key safeguarding data for decades, highlighting the need for a risk-based migration strategy.

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enQase Details 6 Steps to Bridge Encryption and Quantum Threatsquantum-computing

enQase Details 6 Steps to Bridge Encryption and Quantum Threats

Organizations facing the looming threat of quantum computing cannot simply wait for fully quantum-safe systems, nor can they overhaul existing encryption overnight. enQase details a six-step approach centered on hybrid encryption models, pairing current cryptographic standards with post-quantum algorithms to bridge the gap. This strategy allows for a transition, avoiding widespread disruption while bolstering defenses against future threats. As the company explains, “Hybrid models offer a way to add quantum-resistant protection now, while keeping the classical protection organizations already depend on fully intact.” What is hybrid encryption? To achieve a layered defense against evolving cyber threats, organizations are implementing hybrid encryption schemes that run classical and post-quantum cryptographic algorithms concurrently. This approach addresses the immediate need for security while proactively preparing for the advent of quantum computing, which poses a significant risk to currently used encryption standards. Rather than awaiting fully quantum-safe systems, this method allows for a phased transition, minimizing disruption to existing infrastructure and workflows. Hybrid encryption pairs a classical algorithm with a Post-Quantum Cryptography (PQC) algorithm, ensuring that even if one is compromised, the other continues to protect the data. This simultaneous operation provides a redundancy that strengthens overall security posture, and is a key element in enQase’s quantum-safe security platform, which integrates PQC alongside existing cryptographic tools. The company, headquartered in Austin, United States, also offers a quantum random number generator. La Sierra University announced a pilot program on May 26, 2026, deploying enQase’s quantum-safe VPN for 25 staff members as the initial phase of a three-year quantum-safe roadmap. The key is a system-by-system transition to post-quantum security, rather than a complete and potentially costly overhaul of all

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Gradiant to showcase quantum develops at New Space Españaquantum-computing

Gradiant to showcase quantum develops at New Space España

Gradiant will showcase developments in quantum key distribution and precision sensing at New Space España in Vigo on September 24 and 25, bringing together the aerospace innovation ecosystem. The technology centre focuses on bolstering defenses against a major threat: the potential for large-scale quantum computing to compromise current communication security. “We see quantum technologies as a strategic and operational field that will transform security, defence and the aerospace sector,” says a Gradiant representative. Gradiant’s work combines quantum information theory with advanced instrumentation, aiming to extend secure communications and enhance precision sensing for applications from navigation to Earth observation. QKD Protocols Enhance Security for Future Space Communications Gradiant is developing quantum key distribution protocols to address a critical vulnerability in space communications, the looming threat of large-scale quantum computing compromising existing encryption methods. This approach offers a fundamentally different security paradigm, protecting data even against adversaries with quantum computers capable of breaking current encryption standards. These QKD protocols enable the distribution of encryption keys with security rooted in quantum mechanics, a departure from classical cryptography’s reliance on computational difficulty. Gradiant’s work extends beyond basic protocol development, encompassing the creation of components for real-world implementation, including emitters, detectors, and photonic integrated circuits. The team is also designing architectures to connect multiple users and integrate quantum security with existing telecommunications networks, anticipating a future where quantum-safe communication is essential for space-based assets. A key focus is overcoming operational limitations, such as potential denial-of-service attacks, by investigating new multi-user network paradigms for key exchange. Extending the range and key gener

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DigiCert Launches Quantum Central for Post-Quantum Cryptography Readinessquantum-computing

DigiCert Launches Quantum Central for Post-Quantum Cryptography Readiness

Insider Brief PRESS RELEASE — DigiCert, a global leader in intelligent trust, today announced the general availability of DigiCert Quantum Central, part of the DigiCert ONE platform, that helps organizations manage and demonstrate progress toward post-quantum cryptography (PQC) readiness. First introduced in preview in July, Quantum Central offers expanded capabilities that help organizations move from […]

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DigiCert Announces General Availability of Quantum Central Platform for PQC Migration Managementquantum-computing

DigiCert Announces General Availability of Quantum Central Platform for PQC Migration Management

DigiCert Announces General Availability of Quantum Central Platform for PQC Migration Management Digital trust management leader DigiCert has announced the general availability of DigiCert Quantum Central, an enterprise management suite integrated into the DigiCert ONE platform. Designed to operationalize post-quantum cryptography (PQC) readiness, the tool consolidates fragmented cryptographic assets across enterprise networks, establishes policy compliance tracking, and automates remediation workflows as organizations transition toward quantum-safe encryption standards. The release addresses a key gap identified in the 2026 DigiCert Quantum Readiness Outlook, which reported that while 87% of enterprises are actively planning, testing, or executing PQC initiatives, only 7% have deployed quantum-safe or hybrid cryptographic primitives into production environments. Quantum Central acts as an orchestration layer, allowing risk, security, and IT compliance teams to normalize cryptographic inventories from network scans, certificate lifecycle management (CLM) platforms, key vaults, software bills of materials (SBOMs), and external APIs into a unified dashboard. [ DigiCert Quantum Central Platform Capabilities ]Operational PhasePlatform Feature & IntegrationFunctional Enterprise Scope• Discovery & Inventory• Multi-Source Cryptographic Ingestion• Programmatic API & CBOM Export• Consolidates PKI, key vaults, CSVs, and SBOMs• Generates Cryptographic Bills of Materials• Policy & Remediation• Policy Engine & Jira Workflow Integration• Inventory-Aware AI Assistant• Flag non-PQC compliance & automate change requests• Explores exposure & recommends next steps• Execution & Issuance• DigiCert Trust Lifecycle Manager• DigiCert Private CA & CertCentral• Direct certificate lifecycle execution & issuance• Deploys hybrid & quantum-safe TLS certificates Under Senior Director of Product Management Kevin Hilscher, the platform enables incremental

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