Short description of Sentinel 2.3: Advanced file integrity checker that integrates seamlessly with your anti-virus/trojan application(s). Sentinel audits your system folder (as well as upto 20 other folders) for the slightest file changes and/or additions. If any files fail the integrity check, your anti-virus/trojan program will be notified. Sentinel also includes an automatic logging mechanism to help satisfy PCI/SOX requirements.