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A Wave of AI-Driven Voice Phishing Attacks Targets Major Hedge Funds like Point72, Citadel, Two Sigma, and Millennium

AI Voice Cloning Phishing Attacks Wall Street Hedge Funds

A wave of AI-driven voice phishing (vishing) attacks has targeted major hedge funds such as Point72, Citadel, Two Sigma, and Millennium.

Attackers used short audio clips to clone the voices of employees or executives to impersonate them, attempting to gain system access. Two Sigma successfully intercepted the attack and was not affected, while Point72 informed investors that preliminary investigations showed no customer information was stolen. Agencies like FINRA are investigating. This incident highlights how AI makes traditional scams easier to scale, threatening the proprietary trading models of quantitative funds.

This is a cyber attack incident targeting top asset management companies, leading to a shift of security resources towards voice verification and enhanced employee training. Hedge funds are under pressure from the rising risks of AI social engineering, with defensive technologies and processes benefiting from the impetus to upgrade due to the incident.

Source: Public Information

ABAB AI Insight

Voice cloning technology has reached a level where high-fidelity voices can be generated from just short audio clips, allowing attackers to target multiple institutions at a low cost. Wall Street hedge funds, holding high-value trading models and customer data, have become prime targets.

In terms of capital pathways, the attack focuses on social engineering rather than traditional malware, bypassing technical firewalls and directly exploiting trust relationships. The motivation is to gain access to internal systems to steal or manipulate proprietary information, with potential returns far exceeding those of ordinary businesses.

Similar to previous deepfake transfer fraud cases targeting companies, we are currently in a phase of scaled social engineering attacks following the widespread availability of AI tools.

Essentially, this represents a technological substitution: traditional phone scams have been upgraded by AI voice cloning, fundamentally breaking the assumption of voice authenticity and forcing institutions to shift from "recognizing people by voice" to multi-factor and behavioral verification.

ABAB News · Cognitive Laws

  1. AI turns old scams into scalable weapons

  2. The weakest link in the trust chain is always human

  3. Defensive upgrades often start from the top targets that are attacked