Workers staged sit-in protests at the company’s offices in Seattle, New York and Sunnyvale, California, over Project Nimbus, a joint contract to provide the Israeli government and military with cloud and artificial intelligence services.

“Google issued a stern warning to its employees, with the company’s vice president of global security, Chris Rackow, saying, “If you’re one of the few who are tempted to think we’re going to overlook conduct that violates our policies, think again,” according to an internal memo obtained by CNBC.”