OTX Threat: Seeking Counsel: Ongoing Targeted Campaign Against US Law Firms

From January through May 2026, a financially motivated data theft extortion campaign executed by threat cluster UNC3753 targeted dozens of organizations across professional, legal, and financial services in the United States. The threat actors leverage voice phishing and social engineering techniques, posing as IT support to convince targets to host screen-sharing sessions and download remote moni Sectors: Finance, Government