The United States National Security Agency (NSA) released a cyber security advisory about the threat group “Sandworm”, likely a unit of the Russian GRU military intelligence agency. The NSA warned that Sandworm has been exploiting a vulnerability in the Exim Mail Transfer Agent (MTA) software since August 2019, which could allow the group to send specially crafted emails capable of executing remote commands on target devices. The group’s history includes allegedly conducting attacks aimed at the 2018 Winter Olympic Games in South Korea, as well as critical national infrastructure (CNI) in Ukraine. Given Sandworm’s recent activity, it is realistically possible that they will wage more attacks on large-scale events and organizations in the mid-term future (three months to a year).

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