As cited
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breaches incidents
Five Years, 88,000 Backdoors, and a Pair of Handcuffs: Inside the Global Manhunt That Ended in an Arrest
Huntress and the FBI conducted a five-year investigation into Silk Typhoon, a threat actor responsible for installing approximately 88,000 backdoors on Microsoft Exchange servers. The investigation culminated in an arrest and broader law enforcement action against the cybercrime operation.
Why it matters: Organizations using Exchange servers need to understand the scope of historical compromises from this actor and review their systems for persistence mechanisms; practitioners should monitor for any indicators of compromise related to this investigation.
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