New Hacker Group Pursuing Corporate Employees Focused on Mergers and Acquisitions

A newly discovered suspected espionage threat actor has been targeting employees focusing on mergers and acquisitions as well as large corporate transactions to facilitate bulk email collection from victim environments.
Mandiant is tracking the activity cluster under the uncategorized moniker UNC3524, citing a lack of evidence linking it to an existing group. However, some of the intrusions are

acquisitions corporate employees hacker mergers mergers and acquisitions