One of the most difficult things about detecting manipulated photos, or "deepfakes," is that digital photo files aren't coded to be tamper-evident. But researchers from New York University's Tandon School of Engineering are starting to develop strategies that make it easier to tell if a photo has been altered, opening up a potential new front in the war on fakery.

Get in-depth coverage of current and future trends in technology, and how they are shaping business, entertainment, communications, science, politics, and society.