Good Technology, a company that helps big businesses enable their employees use mobile devices securely, has taken on $80 million before its upcoming IPO.

In announcing the new funding today, Good didn’t say who was putting up the money. It only said Oppenheimer & Co. was handling the book-running.

In May, Good filed to go public.

Good’s products include mobile-device management, identity and access management, and mobile analytics, among other services. Good said today that more than 5,000 organization use its technology. The company started in 1996 and is based in Sunnyvale, Calif.