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Tuesday, February 26, 2019

ICANN raises alarm over risk to DNS infrastructure, demands full DNSSEC deployment - ITREALMS

The Internet Corporation for Assigned Names and Numbers (ICANN) has raised alarm over threats to the ongoing and significant risk to key parts of the Domain Name System (DNS) infrastructure, reports ITREALMS.

ICANN was reacting to the rising reports of malicious activity targeted at the DNS infrastructure, called for full deployment of the Domain Name System Security Extensions (DNSSEC) across all unsecured domain names. The organization also reaffirms its commitment to engage in collaborative efforts to ensure the security, stability and resiliency of the Internet’s global identifier systems.

As one of many entities engaged in the decentralized management of the Internet, ICANN is specifically responsible for coordinating the top-most level of the DNS to ensure its stable and secure operation and universal resolvability.

On 15 February 2019, in response to reports of attacks against key parts of the DNS infrastructure, ICANN offered a checklist of recommended security precautions for members of the domain name industry, registries, registrars, resellers, and related others, to proactively take to protect their systems, their customers’ systems and information reachable via the DNS.

Public reports indicate that there is a pattern of multifaceted attacks utilizing different methodologies. Some of the attacks target the DNS, in which unauthorized changes to the delegation structure of domain names are made, replacing the addresses of intended servers with addresses of machines controlled by the attackers. This particular type of attack, which targets the DNS, only works when DNSSEC is not in use. DNSSEC is a technology developed to protect against such changes by digitally 'signing' data to assure its validity. Although DNSSEC cannot solve all forms of attack against the DNS, when it is used, unauthorized modification to DNS information can be detected, and users are blocked from being misdirected.

ICANN has long recognized the importance of DNSSEC and is calling for full deployment of the technology across all domains. Although this will not solve the security problems of the Internet, it aims to assure that Internet users reach their desired online destination by helping to prevent so-called “man in the middle” attacks where a user is unknowingly re-directed to a potentially malicious site. DNSSECcomplements other technologies, such as Transport Layer Security (most typically used in HTTPS) that protect the end user/domain communication.

As the coordinator of the top-most level of the DNS, ICANN is in the position to help mitigate and detect DNS-related risks, and to facilitate key discussions together with its partners. The organization believes that all members of the domain name system ecosystem must work together to produce better tools and policies to secure the DNS and other critical operations of the Internet. To facilitate these efforts, ICANN is planning an event for the Internet community to address DNS protection: The first is an open session during the upcoming ICANN64 public meeting on 9-14 March 2019, in Kobe, Japan.

Chuks Egbune/DoP

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