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Australia Accelerates Push Toward Post-Quantum Cybersecurity: Entrust Has a Solution

Australia’s Race to Quantum Readiness: Why Organisations Must Prepare for Post-Quantum Cryptography Now
As quantum computing advances, governments and organisations are preparing for one of the biggest cybersecurity shifts in decades: the transition to post-quantum cryptography (PQC).
 
Australia is taking a proactive stance through guidance from the Australian Signals Directorate (ASD), which warns that future quantum computers could eventually break widely used encryption methods including RSA and elliptic curve cryptography (ECC). These technologies currently secure online banking, digital identities, encrypted communications, TLS certificates, and critical business systems.
 
While experts are uncertain exactly when cryptographically relevant quantum computers (CRQCs) will emerge, many believe it could happen within the next decade. For organisations, the challenge is no longer simply preparing for a future quantum threat, it is building the operational resilience and cryptographic agility needed to continuously adapt as cryptographic standards evolve.
 
Why Post-Quantum Cryptography Matters
Quantum computers use qubits instead of traditional binary processing, enabling them to solve certain mathematical problems significantly faster than classical computers. While this creates major opportunities across industries such as healthcare, finance, and research, it also introduces serious cybersecurity risks.
 
Once sufficiently powerful, quantum computers could decrypt data protected by today’s cryptographic standards. This has increased concern around “harvest now, decrypt later” attacks, where threat actors collect encrypted data today with the intention of decrypting it in the future.
 
However, the challenge extends beyond future decryption risks alone. Organisations already face growing operational and compliance pressures tied to certificate management, machine identities, and rapidly changing cryptographic requirements. The move toward shorter TLS certificate lifecycles, including the industry shift toward 47-day certificate validity periods, is further increasing the complexity of managing cryptographic assets at scale.
 
Without visibility and automation, organisations risk certificate outages, compliance gaps, service disruptions, and increased operational overhead.
 
Australia’s 2030 Deadline
The ASD’s Information Security Manual recommends organisations stop using traditional asymmetric cryptography by the end of 2030.
 
To support the transition, ASD recommends organisations:
  • Develop a PQC transition plan by the end of 2026
  • Begin migrating critical systems by the end of 2028
  • Complete the transition by the end of 2030

The guidance recognises that migrating cryptographic systems is a complex, multi-year process spanning applications, PKI infrastructure, cloud environments, operational technology, certificates, and hardware security modules (HSMs).

For many organisations, the first challenge is simply understanding where cryptography exists across the environment. Building a comprehensive inventory of certificates, keys, algorithms, and machine identities is becoming a foundational step toward broader cryptographic agility.

From One-Time Migration to Continuous Cryptographic Agility

Post-quantum readiness should not be viewed as a single migration project. Cryptographic standards, compliance requirements, and cyber threats will continue evolving long after the initial PQC transition.

This is why organisations are increasingly focusing on cryptographic agility, the ability to quickly discover, manage, replace, and update cryptographic assets without disrupting business operations.

A cryptographically agile organisation can:
  • Rapidly identify vulnerable algorithms and certificates
  • Automate certificate lifecycle management and renewals
  • Reduce the risk of outages caused by expired certificates
  • Adapt more quickly to new regulatory and security requirements
  • Support hybrid cryptographic environments during migration
  • Minimise operational disruption while improving resilience

Many organisations are also exploring hybrid approaches that combine traditional encryption with post-quantum algorithms to maintain compatibility while progressively strengthening security.

Entrust’s Approach to Quantum Readiness

Entrust is positioning itself as a leader in post-quantum readiness through its integrated cryptographic security platform, helping organisations build end-to-end visibility, control, and crypto-agility across their environments.

Contributing to industry standards development through organisations including NIST, NCCoE, and the IETF, Entrust provides organisations with solutions designed to support both immediate operational requirements and long-term quantum readiness.

Its capabilities include:
  • Cryptographic discovery and certificate inventory
  • Certificate lifecycle management and automation
  • Post-quantum readiness assessments
  • Hybrid certificates and quantum-ready PKI
  • Quantum-ready HSMs
  • Crypto-agility and migration services
  • Centralised management of cryptographic assets and machine identities

By combining certificate lifecycle management, PKI, HSMs, and post-quantum capabilities within a unified platform, Entrust helps organisations reduce operational risk, improve compliance, and prepare for ongoing cryptographic change.

As the quantum era approaches, organisations are increasingly recognising that post-quantum readiness is not simply about replacing algorithms before 2030. It is about building the visibility, automation, and cryptographic agility needed to securely adapt to the next generation of cybersecurity challenges.

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