OpenAI checked fired researchers’ phones for Signal chats, WSJ reports

“I was told that there was a breach of trust because I interacted with a third party through unsanctioned channels,” Tomek Korbak said. Korbak is one of three OpenAI safety researchers fired last month. He spoke to The Wall Street Journal for a story by Maxwell Zeff, Keach Hagey and Berber Jin, published on Thursday.