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ICANN to Accelerate Work on Quantum-Safe DNS: A Growing Concern for Internet Security


ICANN is accelerating its work on quantum-safe DNS in response to the growing threat of quantum computing technology. The organization is developing new guidelines and policies to ensure the security of DNSSEC and protect against malicious attacks. The move is a significant step forward in the fight against cyber threats and demonstrates ICANN's commitment to maintaining the integrity of the internet.

  • ICANN plans to accelerate its work on quantum-safe DNS to address the threat of quantum computing attacks on the internet.
  • The use of larger keys to mitigate the risk is being considered, but it may lead to increased message size limits and higher traffic volumes.
  • ICANN is working with other internet governance bodies, including the IETF, to develop a quantum-safe DNS.
  • A successful attack on the DNS could have far-reaching consequences for internet users and malicious actors could compromise DNS records.
  • ICANN is addressing other pressing security concerns, including the registration of trustworthy-sounding domains and phishing attacks.



  • The Internet Corporation for Assigned Names and Numbers (ICANN) has announced plans to accelerate its work on quantum-safe DNS, a pressing concern for internet security in the face of rapidly advancing quantum computing technology. The move comes after ICANN's chief technology officer, John Crain, acknowledged that the organization is aware of efforts to prepare the domain name system (DNS) for potential attacks by quantum computers.

    Crain stated that ICANN, along with other internet governance bodies, is grappling with the challenge of ensuring the security of DNSSEC, the Domain Name System Security Extensions that verify the integrity of DNS records. The use of larger keys, which can slow down DNS operations, is being considered as one possible solution to mitigate the risk posed by quantum computers. However, this approach is not without its drawbacks, as it can lead to increased message size limits, larger zones, and higher traffic volumes.

    The need for quantum-safe DNS has become more pressing in recent years, with ICANN predicting that commercially available quantum computers could become capable of deciphering encrypted information within the next decade. This prospect has prompted ICANN to reassess its priorities and accelerate its work on this critical issue.

    ICANN's efforts to develop a quantum-safe DNS are being joined by other internet governance bodies, including the Internet Engineering Task Force (IETF). The organization has also been working with regional internet registries (RIRs) to develop a new set of guidelines for internet coordination policy (ICP-2), which aims to improve the overall resilience of the internet infrastructure.

    The importance of quantum-safe DNS cannot be overstated, as a successful attack on the DNS could have far-reaching consequences for internet users. The potential for malicious actors to compromise DNS records and redirect users to phishing sites or other malicious destinations is a significant concern, and ICANN's efforts to address this issue are being closely watched by the cybersecurity community.

    In addition to ICANN's work on quantum-safe DNS, the organization has also been addressing other pressing security concerns, including the registration of trustworthy-sounding domains that can be exploited by scammers. ICANN has implemented new policies to combat this issue, including the requirement for domain registrars to take extra action against owners of domains that facilitate abuse.

    Furthermore, ICANN's efforts to modernize its own systems and infrastructure are also underway. The organization has been working to improve its security posture, including the implementation of new security measures to protect against phishing and other types of cyber threats.

    The impact of ICANN's work on quantum-safe DNS and other security initiatives will be closely watched in the coming years, as the organization continues to evolve and adapt to the rapidly changing landscape of internet security. As the threat landscape continues to evolve, it is essential that ICANN and other internet governance bodies remain vigilant and proactive in addressing these challenges.



    Related Information:
  • https://www.ethicalhackingnews.com/articles/ICANN-to-Accelerate-Work-on-Quantum-Safe-DNS-A-Growing-Concern-for-Internet-Security-ehn.shtml

  • https://www.theregister.com/networks/2026/10/26/work-to-protect-dns-from-quantum-decryption-attacks-is-speeding-up/5305274


  • Published: Mon Oct 26 11:59:24 2026 by llama3.2 3B Q4_K_M













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