Microsoft has named yet another state-aligned threat actor: Moonstone Sleet (formerly Storm-1789), which engages in cyberespionage and ransomware attacks to further goals of the North Korean regime. “Moonstone Sleet uses tactics, techniques, and procedures (TTPs) also used by other North Korean threat actors over the last several years, highlighting the overlap among these groups,” Microsoft’s threat analysts say. “When Microsoft first detected Moonstone Sleet activity, the actor demonstrated strong overlaps with Diamond Sleet, extensively reusing … More

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