Ukrainian officials sent an urgent request Monday to the nonprofit that stewards domain and IP systems key to the global internet, but security experts are warning that it’s not as simple as it looks. Ukraine asked the Internet Corporation for Assigned Names and Numbers (ICANN) to shut down Russian top-level domains — such as those with the .ru country code — in response to Russia’s use of the internet as a key attack surface for both information operations and cyberattacks. ICANN has not yet responded to the request, Andrii Nabok, head of the expert group for the development of fixed broadband at Ukraine’s Ministry of Digital Transformation and Ukraine’s representative to ICANN, confirmed in an email to CyberScoop. The email, first reported by Rolling Stone, presses ICANN to “revoke, permanently or temporarily” Russian domains, revoke identification certificates for the domains and shut down DNS root servers in the Russian Federation. […]
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