United Nations warns brain data could be used against you

Secretary-General António Guterres warned in a report to the General Assembly that neurotechnology could undermine basic rights. He said brain-computer interfaces, or BCIs, might read thoughts, intentions or truthfulness. That could threaten freedom of thought, privacy and fair-trial rights. Senior human rights official Claudia Fuentes Julio raised the risk to marginalized communities worldwide.

Regulation lags behind consumer growth

Most rules still focus on medical use. In the United States, the Food and Drug Administration regulates Neuralink's implanted BCI as a medical device. Consumer neurotechnology is growing fast, though. Companies such as Sabi, the BCI beanie and AlterEgo are building products that let users control computers or talk to AI using mental or physiological signals. Some designs avoid surgery.

The United Nations warns that neurotechnology is spreading into law enforcement, courts and prisons, and that this carries real risks. In India, police have used a Brain Electrical Oscillation Signature (BEOS) profiling system for the past two decades. It is meant to assess whether a suspect may have knowledge linked to a crime. The technique reads electrical brain activity in response to stimuli. Its scientific reliability and use as evidence have been challenged, and the practice has faced legal restrictions.

U.S. lawmakers introduced the proposed Management of Individuals' Neural Data Act of 2025 (MIND Act) in September 2025. The bill would ask federal agencies to draft guidelines on ethics, safety and privacy for neural data. It has not become law. Still, Colorado, California and Montana have passed measures protecting neural data. Latin American countries such as Brazil and Mexico are exploring similar rules.

The United Nations calls for international rules and explicit consent before brain data is used in criminal justice. China approved an invasive BCI for commercial use in March 2026, the first country to do so. The device, called NEO, helps paralyzed patients regain the ability to grasp. Rapid spread raises concerns about a "neuro-elite" that could widen social and economic gaps.