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Quantum Computing Threats to Cryptography: Urgent Action Required

Quantum Computing Threats to Cryptography: Urgent Action Required

First seen 6 Nov 2026, 15:15 UTC • •
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ThreatCluster AI
ThreatCluster •November 6, 2026 at 15:16 UTC
  • •Quantum computers may threaten current encryption by the end of the decade.
  • •Organizations must transition to post-quantum cryptography to mitigate risks.
  • •The insurance industry is assessing quantum computing's impact on risk management.

Quantum computing is advancing rapidly, posing significant risks to current cryptographic systems. IBM reports that fault-tolerant quantum computers may achieve cryptographic relevance by the end of the decade, making existing encryption vulnerable to 'harvest now, decrypt later' attacks. Organizations are urged to begin transitioning to post-quantum cryptography to mitigate these risks. The insurance industry is also exploring the implications of quantum computing on risk management and cybersecurity. Reports indicate that the transition to quantum-safe solutions is essential to avoid prolonged exposure to quantum risks. IBM has been proactive in developing post-quantum cryptographic algorithms and collaborating with various sectors to enhance security. The urgency is emphasized by international regulations advocating for immediate action in adopting quantum-safe practices.

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Timeline

2024-01-01
NIST publishes post-quantum cryptography algorithms
IBM co-authored three of the four algorithms, marking a significant step in quantum-safe cryptography.
IBM
2026-11-05
Lloyd's report on quantum computing risks published
The report discusses the challenges and opportunities quantum computing presents for the insurance industry.
Lloyds
2026-11-06
IBM urges organizations to adopt quantum-safe practices
IBM highlights the need for immediate action to transition to post-quantum cryptography to protect sensitive data.
IBM

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Common questions

What is post-quantum cryptography?
Post-quantum cryptography refers to cryptographic algorithms that are secure against the potential threats posed by quantum computers.
How urgent is the transition to quantum-safe solutions?
The transition is urgent as quantum computers may become capable of breaking current encryption methods by the end of the decade.
What steps should organizations take now?
Organizations should begin assessing their current cryptographic systems and develop a roadmap for transitioning to post-quantum cryptography.