WATCH: OpenAI says AI models went rogue during testing, triggering 'unprecedented' breach

Live

Video

Shows

Good Morning America

ShopGMA

Stream on

Live Updates Live Updates Iran

Nolan Wells autopsy

Tropical Storm Bertha

Cyclosporiasis outbreak

William Shatner

Oil prices surge

Meteor shower

OpenAI called it the first known instance of an autonomous AI cyberattack, long-feared by some industry observers.

July 22, 2026

Additional Live Streams

Additional Live Streams

ABC News Live

Senate meets for legislative business

House meets for legislative business

Tracking flood threat on the East Coast, intermountain West; extreme heat from coast-to-coast; tropical storm Bertha in the Gulf

Top Stories

Top Stories

William Shatner and daughter open up about their shared cancer battle

FBI DNA breakthrough solves 14-year-old cold case

Mother of Daniel Erving still seeking answers in her son’s death

Reported cyclosporiasis numbers rise as RFK Jr. says outbreak is 'under control'

OpenAI says AI models went rogue during testing, triggering 'unprecedented' breach

Nolan Wells' independent autopsy says death 'undetermined pending investigation'

Ousted Venezuelan president Maduro appears in court

Tropical Storm Bertha takes aim along Gulf

OpenAI says its AI models launched their own hack against other company

Trump: Iran 'desperately wants to meet' as war cost tops $37 billion

Authorities hunt for female fugitive using 'multiple aliases'

NJ voter registration controversy

Social media ban for youth in France

‘Avengers: Doomsday’ trailer sets new record

Powerball expands to UK

Suspect arrested after allegedly ramming Hamptons home of Jay-Z and Beyoncé

Malcolm-Jamal Warner's widow sues his mother after drowning death

Back-to-school shopping is here

Race to rescue beluga whales from defunct Canadian marine park

Novo Nordisk, Eli Lilly in legal battle over weight-loss drugs

Melissa Etheridge and Wynonna Judd open about loss, healing, and 5 decades of music

Hegseth asks Congress for $67 billion additional funding for war in Iran

Former US Army private accused of setting fire to federal building charged with arson

2 American tourists in Greece stabbed near Athens' Acropolis in random attack

Milwaukee garbage truck blast injures sanitation worker

David Muir shares elementary school students' surprise to teacher on wedding day