Transitioning to Quantum-Safe Security Solutions

The biggest threat to your data isn’t happening tomorrow. It happened yesterday. If you haven’t heard of HNDL (Harvest Now, Decrypt Later), your long-term data strategy has a massive blind spot. Here is the reality: State actors and cybercriminals are capturing your encrypted data today. They can’t read it yet, so they’re storing it in massive data vaults, waiting for the "Qday"—the moment quantum computers become powerful enough to break current encryption. If your data needs to stay private for 5, 10, or 20 years, it’s already at risk. What’s on the line? ↳ Intellectual Property (IP) and trade secrets. ↳ Government and identity data. ↳ Long-term financial records and contracts. ↳ Sensitive customer health data. How do we solve it? 🛠️ We cannot wait for quantum supremacy to react. The fix starts now: ↳ Inventory: Identify which data has a long shelf-life. ↳ Crypto-Agility: Move toward systems that can swap encryption methods without a total overhaul. ↳ Hybrid PQC: Implement Post-Quantum Cryptography alongside classical methods to ensure traffic captured today remains a mystery tomorrow. The transition to quantum-resistant security is a marathon, not a sprint. Are you tracking HNDL on your current risk register? Let’s discuss in the comments. 👇 P.S. If you want help mapping your exposure or building a PQC migration plan, drop me a message. ♻️ Share this post if it speaks to you, and follow me for more. #QuantumSecurity #PQC

Happy to see my article has been published at ABP Live on "Beyond AI: Why Quantum-Safe #Cryptography Is a Business Imperative in 2025" The alarming rise in cyberattacks—both in India and globally—makes one thing painfully clear: traditional encryption is no longer enough. In India alone, businesses stand to lose ₹20,000 crore this year, while global cybercrime costs are projected to reach $13.82 trillion by 2028. Even worse? The impending quantum era threatens to render our current cryptographic systems obsolete. Technologies like RSA, which power everything from internal communications to critical external collaborations, are vulnerable to quantum-enabled decryption. So what must businesses do right now? Embrace Quantum-Safe Messaging: Opt for end-to-end encrypted platforms designed to withstand quantum attacks, especially for communications with clients, partners, and vendors. Follow Standards and Best Practices: NIST has already rolled out the first wave of Post-Quantum Cryptography (PQC) standards—like ML-KEM for encryption and ML-DSA for digital signatures. Think Strategically, Not Just Tactically: Transitioning to PQC is more than a technical upgrade—it’s a strategic initiative. Build governance, crypto-agility, and roadmap planning into your cybersecurity strategy. What the world is doing: - Europe aims to migrate to quantum-safe encryption by 2030, starting with risk assessments and awareness campaigns in 2026 - The UK’s NCSC is urging organizations to begin full migration planning by 2028 and complete it by 2035 - Setting an example in the private sector, it has integrated post-quantum encryption into its WireGuard and Lightway protocols using NIST’s ML-KEM algorithm Reports from India’s BFSI sector show a worrying lack of readiness—yet almost 58% of CISOs recognize the threat within the next three years Key takeaway: Quantum-safe cryptography isn’t a futuristic concept—it’s a present-day necessity. The threat of "store now, decrypt later" attacks means the data we transmit today may be vulnerable tomorrow. Waiting isn’t an option Whether you’re in BFSI, government, telecoms, or healthcare, the time to act is now. Let’s lead the shift toward a secure quantum future. #QuantumSafe #Cybersecurity #PostQuantumCryptography #CryptoAgility #DigitalTrust #QuantumReady #QNulabs QNu Labs

Quantum computing is moving from "science fiction" to "business reality" faster than most predicted. Two recent papers have fundamentally shifted the timeline for when we need to care about Quantum-Safe security: 1️⃣ The "10,000 Qubits" Milestone: New research shows that we can execute Shor’s algorithm—the math that breaks today’s encryption—with far fewer resources than previously thought. By using reconfigurable atomic qubits, the hardware requirements for cracking RSA-2048 have dropped by nearly 20x. 2️⃣ The "9-Minute" Crypto Warning: Google’s latest whitepaper highlights a terrifying reality for digital assets. Under advanced quantum scenarios, the encryption protecting a cryptocurrency wallet could be cracked in under 10 minutes. This puts billions in "dormant" assets at immediate risk of "at-rest" attacks. The Bottom Line: The "Q-Day" window is shrinking. It’s no longer about if a quantum computer can break your encryption, but when your current migration timeline will run out. How do we respond? We can't just flip a switch on "Q-Day." For many organizations, becoming quantum safe is a multi-year journey. This is where Palo Alto Networks Quantum-Safe Security comes in. Instead of a manual, multi-year overhaul, we provide a path to Agentic Resilience: - Continuous Discovery: It automatically maps your "cryptographic bill of materials" (CBOM), identifying exactly where vulnerable RSA and ECC algorithms are hiding in your network. - Risk Prioritization: It correlates your encryption strength with business criticality, telling you exactly which high-value assets need to move to Post-Quantum Cryptography (PQC) first. - Real-Time Remediation: For legacy systems that can’t be easily upgraded, a "Quantum-Safe Proxy" re-encrypts vulnerable traffic into post-quantum algorithms (like ML-KEM) at the network edge. The transition to a quantum-safe future is a marathon, but the starting gun has already fired. Learn how to take your first steps at the link in the comments.

🔐Word o’ the Day | Year | Decade: Crypto-agility, Baby! Yesterday morning, I did a fun fireside chat with Bethany Gadfield - Netzel at the FIA, Inc. Expo in Chicago. We talked about cyber resilience, artificial intelligence, Rubik’s cubes, and that thing called quantum! A question came up at the end, “What can firms actually do today to begin transitioning to post-quantum cryptography?” So thought I would take the opportunity to share my thoughts more broadly on this important, but not super well understood, topic: 1. Don’t wait. The clock for quantum-safe cryptography is already ticking. NIST released its first set of post-quantum standards last year (https://lnkd.in/esTm8uPw) and CISA put out a “Strategy for Migrating to Automated Post-Quantum Discovery and Inventory Tools” last year as part of its broader Post Quantum Cryptography (PQC) Initiative (https://lnkd.in/evpF4umv). h/t Garfield Jones, D.Eng.! 2. Inventory & prioritize. Map all cryptographic usage: what keys, certificates, protocols, and data streams exist today? Which assets hold long-lived value and are at risk of “harvest-now, decrypt-later”? Build a migration roadmap that prioritizes highest-risk systems (e.g., financial settlement platforms, inter-bank links, legacy encryption). 3. Establish crypto-agility. Ensure your architecture supports swapping algorithms, updating certificates, & layering classical + post-quantum primitives without a full system rebuild. This kind of flexibility is key for resilience. 4. Pilot and migrate. Use the new NIST-approved algorithms; experiment first on less time-sensitive systems, validate performance and interoperability, then scale to mission-critical applications. NIST’s IR 8547 report provides a framework for this transition. 5. Vendor & supply-chain alignment. Ask your vendors & service providers: “What’s your PQC transition plan? When will you support NIST-approved post-quantum algorithms? Are your update paths crypto-agile?” If the answer isn’t clear or (as a former boss of mine used to say) they look at you like a “pig at a wristwatch,” you’ve got a potentially serious third-party risk. 6. Board and Exec engagement. Position this not as an IT problem but a fiduciary risk and resilience imperative. The transition to quantum-safe cryptography is multi-year and multi-layered—waiting until it’s urgent means it will be too late.

🔐Europol PRIORITISING POST-QUANTUM CRYPTOGRAPHY MIGRATION ACTIVITIES IN FINANCIAL SERVICES ⚛️As post-quantum cryptography (PQC) becomes integrated into mainstream information technology (IT) products and services, financial services institutions must begin to execute their transition strategies. This document provides actionable guidelines to incorporate quantum safety into existing risk management frameworks by assessing the ‘Migration Priority’ based on the ‘Quantum Risk’ and ‘Migration Time’ of business use cases and highlighting opportunities for immediate execution. ⚛️A critical first step is to inventory all business use cases that rely on public key cryptography. This inventory enables the creation of a prioritised transition roadmap by assessing the Quantum Risk of each use case based on three parameters: 🟣 Shelf Life of Protected Data: How long the data remains sensitive. 🟣 Exposure: The extent to which data is accessible to potential attackers. 🟣 Severity: The business impact of a potential compromise. ⚛️When the Quantum Risk is assessed, organisations can prioritise actions based on each use case’s Migration Time, i.e., the complexity and timeline required to achieve Quantum Safety for a use case. As part of this activity, organisations will identify, for instance, actions that can be launched immediately and the use cases that require coordination with long-term asset lifecycles. 🟣 Solution Availability: Maturity of PQC standards, and their general availability in products and services. 🟣Execution Cost: The effort, cost, and complexity of implementing the quantum-safe solutions within the organisation. 🟣 External Dependencies: Execution complexity due to coordination required with third parties and their transition roadmaps (standardisation bodies, vendors, peers, regulators, and customers). ⚛️Examples of use cases that financial organisations can begin implementing today include: 🟣 Integration of post-quantum requirements into the long-term roadmap for hardware-intensive use cases aligned with financial asset lifecycles. 🟣 Enhancement of confidentiality protection for transactional websites. 🟣Identification and elimination of cryptographic antipatterns to reduce future technical debt. ⚛️These are examples of how financial institutions can take timely, structured steps toward an efficient and forward-looking transition to post-quantum cryptography. https://lnkd.in/d4qiS6X9

The era of quantum computing is closer than we think, and it’s going to change the foundations of digital security. NIST’s recent draft publication, NIST IR 8547 (link in 1st comment), outlines critical steps organizations must take to transition to post-quantum cryptography (PQC). Why This Matters Now ⏩ Quantum computers will eventually break traditional encryption algorithms like RSA and ECC. While secure today, these systems won’t be once quantum systems mature. NIST’s Post-Quantum Standards ⏩ NIST has selected algorithms like CRYSTALS-Kyber (for key establishment) and CRYSTALS-Dilithium (for digital signatures) to lead the transition. What Organizations Should Do ⏩ Inventory Cryptography: Assess where and how cryptographic algorithms are used. ⏩ Test PQC Algorithms: Experiment with hybrid solutions combining classical and quantum-safe algorithms. ⏩ Engage with Vendors: Ensure tech partners are preparing for PQC compatibility. Challenges Ahead ⏩ Performance trade-offs: Some PQC algorithms require more computational resources. ⏩ Interoperability: Integrating new cryptographic methods into legacy systems isn’t trivial. ⏩ Timeline pressure: The longer you delay, the harder it will be to catch up. The message is clear: preparation can’t wait. The organizations that start now will be in a much better position when the quantum era fully arrives.

Deloitte Urges Organizations to Prepare for Post-Quantum Cryptography Quantum Threats to Cryptography In its annual Tech Trends report, Deloitte highlights the looming cybersecurity threat posed by quantum computers. These fast-calculating machines could soon break traditional public-key cryptography, which underpins secure communications and data protection. To safeguard against this risk, Deloitte recommends that organizations take immediate steps to inventory and update their cryptographic systems with quantum-resistant algorithms. A Y2K-Like Urgency Deloitte likens the need for proactive quantum encryption updates to the urgency of addressing the Y2K problem in the late 1990s. Similar to how companies scrambled to fix date-related programming issues to avoid catastrophic failures, today’s IT teams must preemptively tackle the vulnerabilities quantum computing may introduce. The comparison underscores the scale and urgency of the effort required to prevent future security breaches. NIST’s Post-Quantum Encryption Standards The National Institute of Standards and Technology (NIST) has already released post-quantum encryption standards to guide organizations. Tech giants such as Apple, Google, and Microsoft have begun incorporating quantum-ready encryption into their products and platforms, signaling the importance of early adoption. Deloitte’s report emphasizes that businesses must align with these standards to future-proof their cryptographic infrastructure. Tools for Cryptographic Transition To aid organizations in this transition, Deloitte points to resources such as NIST’s National Cybersecurity Center of Excellence. This center offers cryptographic discovery and inventory tools that help identify outdated encryption methods and streamline the process of upgrading to quantum-resistant systems. These tools are critical for managing the complexity of securing vast digital infrastructures. The Need for Proactive Action Deloitte stresses the importance of taking immediate, proactive measures to address this emerging challenge. Organizations should prioritize assessing their cryptographic systems, investing in quantum-resistant solutions, and adopting NIST-recommended practices. Early preparation will minimize risks and ensure a smoother transition as quantum computing capabilities evolve. Conclusion The rise of quantum computing presents a significant threat to traditional cryptographic systems, requiring organizations to adopt quantum-resistant encryption. Deloitte’s comparison to Y2K highlights the urgency and scale of this challenge. By leveraging NIST standards, adopting available tools, and taking proactive steps, businesses can mitigate risks and prepare for a quantum-driven future in cybersecurity.

Migration Timelines for Enterprises Transitioning to Post-Quantum Cryptography (PQC): Large enterprises require 12–15 Years for PQC migration, while the time needed to secure the infrastructure exceeds the time remaining before the Fault-Tolerant Quantum Computers (FTQC) arrive (see table). PQC migration is not a technical refresh but a systemic transformation. This assertion is grounded in a deep analysis of the "interconnectedness" of IT ecosystems, where a single cryptographic dependency can trigger a cascade of failures across identity management, network transport, and data persistence layers. The migration difficulty rests on the technical differences between classical algorithms and the new NIST standards: FIPS 203 (ML-KEM), FIPS 204 (ML-DSA), and FIPS 205 (SLH-DSA). The PKI and HSM Scalability Crisis Hardware Security Modules (HSMs) are the root of trust for the enterprise. They are expensive, proprietary, and heavily regulated (FIPS 140). Certification Lag: Before an enterprise can deploy a PQC-capable HSM, the vendor must develop it, and a lab must certify it. This certification process usually takes 12–24 months. Capacity Mismatch: Current HSMs are optimized for RSA/ECC math and have limited secure storage. PQC keys will consume this storage 50x faster. An enterprise that needs 10 HSMs today might need 50 HSMs for PQC to handle the same volume of keys. Procurement Cycles: The budget approval and procurement cycle can easily consume 2-3 years of the "Large Enterprise" timeline. Inter-Enterprise Coordination: The Synchronization Deadlock The B2B API Problem: If a large retailer migrates its API gateway to require PQC-TLS, but its thousands of small suppliers have not upgraded their client software, the supply chain breaks. The Hybrid Complexity: "Hybrid" operation, where systems must support both Classical and Quantum-safe algorithms simultaneously, doubles the testing matrix, doubles the potential for configuration errors, and increases the attack surface. Recommendations Mitigation This granular forecast reveals a stark reality: for many large enterprises, the "safe" migration window relative to the predicted arrival of FTQC has effectively closed (see table), necessitating immediate and aggressive risk mitigation strategies. The strategic imperative shifts from "prevention" to "mitigation" and "agility." [11] National Institute of Standards and Technology, "Transitioning the Use of Cryptographic Algorithms and Key Lengths," SP 800-131A Rev. 2, 2019. [14] Cloud Security Alliance, "Preparing Enterprises for Post-Quantum Cryptography," 2022. [16] Netherlands National Communications Security Agency, "The PQC Migration Handbook," March 2023. [17] Encryption Consulting, "How to Start Your Enterprise PQC Migration Plan," 2023. [19] DARPA, "Quantum Benchmarking Initiative (QBI)," November 2024. [20] BSI (Germany), "BSI TR-02102-1. Cryptographic Mechanisms: Recommendations and Key Lengths," 2023 #PQC, #FTQC, #Migration #Timelines

🚀 New Research Alert: Strengthening 5G Authentication for the Post-Quantum Era 🌐🔐 Thrilled to share the latest preprint of our paper, “Authentication Against Insecure Bootstrapping for 5G Networks: Feasibility, Resiliency, and Transitional Solutions in the Post-Quantum Era.” One of the major findings is that directly integrating NIST’s post-quantum cryptography (PQC) into 5G authentication is infeasible due to latency, packet size, and fragmentation constraints. To bridge this gap, we introduce BORG, a Hierarchical Identity-Based Threshold Signature scheme with a Fail-Stop property, offering: ✅ Distributed trust via threshold authentication ✅ Post-mortem quantum forgery detection ✅ Compatibility with existing 5G timing and message structures ✅ Up to 85× lower communication overhead and three orders of magnitude faster than PQC-based approaches We also open-sourced the implementation, fully integrated into an srsRAN + Open5GS 5G testbed: 👉 Github link: https://lnkd.in/gp6MMp9W 👉 Paper link: https://lnkd.in/gHtUxAyQ Proud to collaborate with an amazing team, Saleh Darzi, Rouzbeh Behnia, Mirza Masfiqur Rahman, Attila Altay Yavuz, and Elisa Bertino. This work outlines a transitional roadmap toward quantum-resilient cellular networks, ensuring that 5G and beyond remain secure even in the presence of quantum-capable adversaries. More exciting work coming in the direction of PQ-Secure 5G and NextG networks! #5G #Security #PostQuantum #Cybersecurity #Research #NetworkSecurity #Authentication #PQC #O-RAN

The CXO’s guide to Quantum Security Customers often tell me that the migration to post-quantum cryptography (PQC) will take them years, and some assets won’t ever be upgraded. While quantum’s long-term threat is clear, security leaders are grappling with the practical, multiyear journey of upgrading potentially thousands of devices, applications and data stores to be quantum-resistant. The “harvest now, decrypt later” threat raises the stakes. Nation-state actors are siphoning and stockpiling encrypted data today, waiting for the arrival of quantum computers to retroactively break it. The implication? Sensitive data may already be in the wrong hands and it’s only a matter of time before it can be put to use. What CXOs need is a clear path forward: Discover - Complete a comprehensive crypto inventory across your environment. You cannot protect what you cannot see. Protect - Achieve post-quantum decryption at scale with NGFW that have crypto-agility built right in, enabling your security as standards evolve.   Accelerate - Leverage segmentation along with emerging new capabilities, like cipher translation, to instantly upgrade legacy devices and applications to secure your data now while your organization upgrades devices and applications.  Read more https://bit.ly/4nVkurw