Open Door Networks

The DoorStop X Security Suite
Learn. Protect. Understand.
DoorStop X Security Suite icon

The DoorStop X Security Suite is an integrated, comprehensive approach to securing your Macintosh (and iPhone!) on the Internet. Here's a typical scenario showing how the components of the Suite work together to help you protect your machine while at the same time learning about and understanding the concepts and issues involved.

Open Door Networks has been securing the Mac since 1998 and Mac OS 8. We literally wrote the book on Internet security.

Copyright (C) 2000-2009, Open Door Networks, Inc. Who's There? Firewall Advisor and DoorStop are trademarks of Open Door Networks, Inc.