Check Point Research team revealed that the China-linked APT31 group known as Zirconium, used a tool dubbed Jian, which is a replica of NSA Equation Group‘s “EpMe” hacking tool, years back it was leaked online by Shadow Brokers hackers. According to the evidence collected on the various cyberespionage campaigns over the years, Kaspersky experts hypothesize that the National Security Agency (NSA) is linked to the Equation Group.

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