Through a series of recent advisories, the U.S. Cybersecurity and Infrastructure Security Agency (CISA) and other government bodies from around the world have called attention to the critical need for organizations to harden their defenses at the Domain Name System (DNS) later- in order to protect against ongoing cyber-attacks.

In April, CISA and authorities in Australia, Canada, New Zealand and the U.K. issued a joingt advisory detail tactics used by alleged Russian actors in the country's spy agency, defense ministry and other government bodies. They also included...

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