OSSEC is Free Software, a GPL-licensed, host-based intrusion detection system (HIDS) that operates on a client-server model. Its development is sponsored by Trend Micro, a software security outfit based in Tokyo, Japan.
OSSEC is cross-platform, with binary packages available for all Linux distributions, the BSDs, Windows, Solaris, Mac OS, VMWare ESX, AIX, and HP-UX.
OSSEC 2.7 is the latest, stable version available for download. As with any software update, it comes with its share of new features and bugfixes.
Some of the new features are:
- Support for hybrid mode during installation
- Client keys can now be generated in bulk from an input file
- Support for hostname specification of server during installation
- More granular rootcheck configuration control
- GeoIP lookup support
A detailed listing of the new features a download link are available here.