BlackFile
Hedge fund cyberattacks tied to BlackFile-linked UNC6671 extortion group
A recent wave of cyberattacks targeting hedge funds, private-equity firms, and other financial organizations has been linked to UNC6671, an extortion group reportedly associated with the BlackFile threat actors. The attribution comes after Reuters and Bloomberg reported that Point72 Asset Management, Millennium Management, Two Sigma Investments, Citadel, and several private-equity firms were targeted in recent attacks that relied on voice […]
New BlackFile extortion group linked to surge of vishing attacks
A new financially motivated hacking group tracked as BlackFile has been linked to a wave of data theft and extortion attacks against retail and hospitality organizations since February 2026. The group, also tracked as CL-CRI-1116, UNC6671, and Cordial Spider, is impersonating corporate IT helpdesk staff to steal employee credentials and demand seven-figure ransoms, according to information shared […]