Partner, Israel's second-largest mobile phone operator, said a final date for Benbenisti's departure has not yet been set. It gave no reason for his departure.
In the meantime, the company's board will appoint a nominating committee for a new CEO, Partner said.
Netflix has introduced a new test to crack down on password sharing practices.
The company will ask users to verify if they are account owners by sending them an email or text code; those who fail to verify could not stream Netflix content anymore.