AI-driven fraud turns platforms into hubs for influencing operations, misinformation campaigns and identity theft.

How two Chinese women turned their Ph.D. theses into machine learning that makes connections between seemingly unrelated events to discover emerging fraud schemes.

Now the same tribunes of truth in the press proclaim that government fraud is a mirage—a pretext for Elon Musk’s Department of Government Efficiency to bulldoze vital programs. Mr. Musk ...