Singtel partners Palo Alto to launch network against surge of quantum-computing threats

The hybrid network combines hardware and software methods to protect data against such risks

Shikhar Gupta
Published Thu, Oct 23, 2025 · 11:54 AM
    • Singtel’s new network combines quantum key distribution, which securely transmits encryption keys, and post-quantum cryptography, a new generation of algorithms “engineered to resist quantum attacks”.
    • Singtel’s new network combines quantum key distribution, which securely transmits encryption keys, and post-quantum cryptography, a new generation of algorithms “engineered to resist quantum attacks”. PHOTO: BT FILE

    [SINGAPORE] Singtel on Thursday (Oct 23) announced the launch of the first hybrid quantum-safe network (QSN) in South-east Asia, partnering cybersecurity company Palo Alto Networks.

    The network combines hardware and software methods to protect data against quantum-computing threats.

    Quantum computers can break traditional encryption methods at an “alarming speed”, according to an article by accounting firm KPMG, rendering ineffective the encryption tools used to protect banking transactions, business data and more.

    “Quantum computing represents one of the greatest opportunities of this decade... but it also presents one of its biggest risks,” said Singtel chief executive Ng Tian Chong. “Our hybrid QSN gives enterprises a practical and scalable way to protect their most sensitive data.”

    Singtel’s new network combines quantum key distribution, which securely transmits encryption keys, and post-quantum cryptography, a new generation of algorithms “engineered to resist quantum attacks”.

    Its protection can thus extend beyond data centres and mission-critical sites to branch offices, remote facilities, cloud environments and overseas operations, said Singtel. Fibre-based quantum key distribution has limitations around distance, it added, which the hybrid QSN overcomes.

    BT in your inbox

    Start and end each day with the latest news stories and analyses delivered straight to your inbox.

    It also leverages Palo Alto Networks’ post-quantum cryptography software-based feature that adds quantum-safe encryption to existing infrastructure, as well as ID Quantique’s quantum key distribution platform.

    Singtel signed a memorandum of understanding with Palo Alto Networks to extend its QSN through the cybersecurity company’s post-quantum cryptography solution. The partnership will allow Singtel to offer hybrid QSN as a “managed security service” for businesses.

    The network’s hybrid nature means that quantum key distribution can be used to protect hospitals and data centres, while post-quantum cryptography can extend protection to polyclinics. The same could apply to bank headquarters and smaller branches, or power grids and substations, respectively, said Singtel.

    Ng added that this launch will “strengthen Singapore’s position as a leader in digital resilience”.

    Copyright SPH Media. All rights reserved.