| Acquired by | Irdeto Access |
| Price | $60M |
| Date | 2005 |
| Category | Security |
| Employees | |
| Founded | 1999 |
| Description | DRM for mobile phones |
| TOTAL | $15M |
| FUNDING TOTAL | $15M |
| Series C, 1/00 Time Warner Audax Ventures Encore Venture Partners | $15M |
Digital rights management technology for content on mobile phones.
Lockstream provided a content security platform for a variety of different computing environments, but its primary offering ended up being access control and rights management on mobile phones. This was primarily used to secure downloads of ringtones, music, and games.