Overview
Severity: CRITICAL | Affected: NexusAI | Category: breach
NexusAI, a leading artificial intelligence research lab, confirmed it was the victim of a sophisticated cyberattack resulting in the theft of proprietary data, including the complete model weights and architecture for its upcoming flagship model, 'Aura-5'. The breach was initiated through a targeted spear-phishing campaign that compromised a senior engineer's cloud credentials. Attackers allegedly used a deepfake audio call mimicking the company's CTO to gain the final access required. The stolen model was designed for highly autonomous scientific research and its release into the wild poses a significant misuse risk. This incident underscores the immense value of frontier model IP and highlights the growing threat of AI-powered social engineering tactics targeting the developers who build these systems. NexusAI is working with federal law enforcement and has delayed the planned launch of Aura-5 indefinitely.